HYDRAULIC FITTINGS MASTER GUIDE- Hudson Valley MRO Reference

Hudson Valley MRO professionals rely on fittings that seal, hold pressure, and survive daily abuse. This guide covers the six core categories—Pipe Fittings, Pneumatic Accessories, Hose Clamps, Brass Fittings, O-Rings, and Lubrication Fittings—giving techs the essential specs needed to choose correctly and prevent failures in the field.

TABLE OF CONTENTS

• Pipe Fittings

• Pneumatic Accessories

• Hose Clamps

• Brass Fittings

• O-Rings

• Lubrication Fittings

PIPE FITTINGS – Hudson Valley MRO Reference

Schedule 40 Malleable Iron Fittings are designed for general purpose piping systems. Their primary application is the conveyance of air, gas, oil, water, and steam at low to moderate operating pressures.

The underlying material is Malleable Iron, which must conform to specific material specifications. Compliance with ASTM A197 is typically required for the casting properties of this material.

Dimensional compliance and pressure-temperature limitations are strictly governed by established ANSI standards. Specifically, ANSI B16.3 dictates the requirements for the fittings, and ANSI B16.39 controls the specifications for unions within this series.

All fittings are designated with a 150-pound continuous pressure rating. This rating is critical for calculating system maximum operating parameters and ensuring structural integrity.

Finish options include Black, which is highly suitable for gas and certain oil applications where external corrosion is less severe. This finish provides a functional and economical component profile.

The Hot-Dipped Galvanized finish adheres strictly to the requirements of ASTM A153. This coating provides significantly enhanced corrosion resistance, making it suitable for water and general utility services.

The threads are National Pipe Taper (NPT) for reliable and self-sealing connections. These precise thread geometry specifications conform directly to the stringent requirements detailed in ANSI B1.20.1.

Schedule 80 Malleable Iron Fittings are designed for more demanding service conditions. This includes high-pressure applications for the malleable iron and highly corrosive environments for the stainless steel components.

The Schedule 80 Black Malleable Iron components feature a significantly increased wall thickness. This enhanced construction provides superior pressure handling capacity for rigorous industrial systems.

These components maintain the standard 150-pound continuous pressure rating while being suitable for more severe applications. They are used reliably across systems conveying air, gas, oil, steam, and industrial water.

Manufacturing consistency is ensured through strict adherence to established dimensional specifications. Compliance with the ANSI B16.3 standard guarantees interchangeability and reliable structural performance across all fittings.

The 304 Stainless Steel fittings are manufactured from a premium material grade. The casting specifications conform to ASTM A351, frequently utilizing Grade CF8 material.

This material selection provides exceptional resistance to general corrosion in MRO applications. It is particularly effective against chemical attack from alkalis and mild acids.

These threaded components are also rated for 150 pounds of continuous pressure. Their dimensional consistency aligns with specific standards for stainless steel fittings, ensuring proper system integration.

The material is mandatory for critical processing applications in food, chemical, and pharmaceutical sectors. This is due to the non-negotiable requirements for superior material purity and corrosion resistance.

PVC Schedule 40 Fittings are non-metallic, constructed from Polyvinyl Chloride (PVC) Type 1, Grade 1 material. This specific formulation provides outstanding chemical inertness and superior corrosion resistance to various media encountered in MRO environments.

The material is manufactured to comply with strict ASTM standards. Adherence to ASTM D1784 ensures the required composition and verified physical properties for reliable service.

These components are primarily utilized for chemical distribution, including handling deionized water and various fluid transfer systems. They are specified for low-pressure applications due to their polymer nature.

A critical technical certification for this product line is the NSF rating. This designation explicitly validates their proven suitability for use in potable water applications.

The fittings typically employ solvent-weld connections to create robust, fused, non-threaded joints. Some adapters do incorporate male and female pipe threads for necessary integration into existing metallic piping systems.

PVC components are not rated or approved for any compressed gas service. This is a critical safety constraint based on the material’s failure mode under pressure.

PVC Schedule 80 Pipe Fittings offers high-strength, non-metallic components for demanding fluid handling applications. They represent a significant increase in wall thickness and pressure capability over the standard Schedule 40 PVC.

The material is Polyvinyl Chloride (PVC), manufactured to specific composition and performance standards. Compliance with ASTM D1784 ensures superior resistance to general corrosion, alkalis, and numerous chemical solutions.

These fittings are used extensively in chemical processing and deionized water lines. They are also standard components in industrial drainage and specialized irrigation systems.

The components are dimensionally compliant with ASTM D2467, which defines the strict Schedule 80 requirements. They are commonly joined using the reliable solvent-weld method.

Some adapters are provided with National Pipe Thread (NPT) terminations for required transition to other system materials. A critical operational note: these components are not suitable for compressed gas or air applications.

Copper Sweat Fittings are a complete line of plumbing components made from commercially pure Copper. Copper is recognized for its superior ductility, thermal conductivity, and proven corrosion resistance in water systems.

The fittings are manufactured to specific quality standards for copper alloys and are designed for integration with standard nominal copper water tubing. They are essential for forming rigid, permanent piping infrastructure.

The key technical feature is the connection method, which utilizes sweat soldering. This process creates a reliable, permanent, and leak-proof joint with the corresponding copper tube.

The components feature dimensions consistent with ASME B16.22 specifications. This adherence ensures proper and precise fit-up with all corresponding copper tube sizes.

This product range is primarily utilized for domestic and commercial water distribution and hydronic heating. It also finds critical application in refrigerant distribution systems.

The range includes a variety of necessary connection types: elbows, tees, couplings, unions, and reducers. Threaded adapters within this system incorporate National Pipe Thread (NPT) connections for cross-system integration.

Industrial valves cover essential fluid control applications within MRO systems. This includes Ball Valves, Mini Ball Valves, and Gate Valves, all designed to meet various pressure and temperature requirements.

The Ball Valves are generally manufactured from forged brass or bronze for optimal corrosion resistance and structural strength. They feature chrome-plated balls and incorporate robust, blow-out proof stem designs for enhanced operational safety.

Seal materials commonly include Polytetrafluoroethylene (PTFE) for both seats and stem packing. This critical material choice enables reliable operation across a wide temperature spectrum, typically up to 400°F.

These valves are rated for service up to 600 PSI WOG (Water, Oil, Gas) at ambient temperatures. Compliance often includes UL/C-UL or other relevant regulatory standards required for specific fuel or system use.

Gate Valves are heavy-duty, manually operated components frequently utilizing bronze construction. They feature rising or non-rising stem designs, typically incorporating brass stems and cast iron handwheels for durability.

They utilize packing materials such as high-density graphite or woven asbestos-free synthetic materials to seal the stem interface. This packing ensures minimal fluid leakage during operation.

They are rated for high-pressure water, oil, and gas service, with defined continuous pressure limits. These typically include ratings up to 200 PSI for saturated steam and up to 400 PSI for WOG at moderate service temperatures.

PNEUMATIC ACCESSORIES – Hudson Valley MRO Reference

MRO mechanics in New York County depend on pneumatic components that stay flexible, stay sealed, and stay alive under constant use. This section covers the high-performance hoses, fittings, and accessories required for reliable operation in industrial and automotive service, where durability and consistent air control decide whether the job gets done.

The Nylon Recoil Air Hose offers a tough, abrasion-resistant polymer construction. This design is specifically engineered for continuous coiling and expansion cycles without material damage or loss of memory.

The material exhibits strong resistance to common industrial fluids, including oil, grease, and various chemical compounds. This chemical inertness prolongs the service life in harsh shop environments.

The Reinforced Polyurethane Straight Air Hose is constructed from an extremely tough, yet lightweight, base material. This composition provides superior resistance to kinking and external abrasion damage.

These hoses feature high flexibility, maintaining performance even at low ambient temperatures down to -40°F. They are officially rated for working pressures up to 200 PSI across a temperature range up to 185°F.The Flexcoil Self-Coiling Air Hose incorporates heavy-duty fittings and utilizes oil-resistant polymer tubing. It features a tough, non-marring outer coating to protect sensitive work surfaces.

The coil memory is engineered to ensure the hose retracts quickly and completely when the air tool is disengaged. This promotes an organized workspace and prevents trip hazards.

The Flexiary Hose W/Shock Coupler combines a robust, kink-resistant rubber hose with a protective spring guard. It features a specialized coupling designed to actively reduce the hazardous effects of hose whipping in pressurized lines.

The integrated design ensures enhanced operator safety and overall component longevity in demanding applications. The rubber material is specifically rated for maximum working temperatures up to 180°F.

 

Filters are crucial for effectively removing particulate contaminants and moisture. The In-Line Water Separator utilizes a dehumidifying element to trap condensed water and impurities.

This protects pneumatic tools and spray guns from moisture damage, which can lead directly to internal corrosion and compromised efficiency. Regular moisture removal is mandatory for system health.

The Standard Air Filter and Air Line Filter utilize multi-stage cycling to separate water, dirt, and scale. This ensures a clean, dry air delivery to the downstream equipment.

These units often incorporate transparent bowls for quick visual inspection and drainage plugs to facilitate maintenance. Proper drainage prevents re-entrainment of contaminants into the air stream.

Regulators are utilized to maintain a constant, pre-set air pressure independent of upstream supply fluctuations. This control optimizes tool operation and ensures consistent, repeatable performance across all cycles.

The Standard Air Line Regulator is specifically designed to hold the desired pressure at a steady-state condition. Stable pressure delivery prevents damage to sensitive air tools.

Gauges are precise mechanical monitoring devices for system pressure verification. The 2″ Pressure Gauge is a liquid-filled instrument engineered to provide accurate and durable readings.

The liquid-filled design offers essential protection from high-frequency vibration, making it reliable for service on air, oil, or water systems

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Air Line Chucks & couplings include essential components for connecting, controlling, and applying compressed air to various MRO tasks. These components facilitate rapid workflow adjustments.

Air Chucks are specifically designed for the rapid inflation of tires and various other pneumatic components. They require robust construction to handle continuous service.

They are typically constructed from corrosion-resistant materials, such as die-cast zinc or specialized alloys, and are rated for high inflation pressures up to 150 PSI.

Types include the standard Air Chuck, which features a necessary internal check valve for sealing. The Dual Foot Check is specialized for efficient use on inner and outer dual wheels.

Couplings and Plugs facilitate the quick, secure connection and disconnection of pneumatic air tools. Rapid connection minimizes downtime during tool changes.

The E-Z Grip Chuck series provides ergonomic handles and direct connection capabilities for pneumatic tools. This design enhances operator control, safety, and comfort during extended use.

The Repair Washer Chuck and Ball Foot Chuck provide specialized connections and sealing mechanisms. These are necessary for various valve stems and inflation applications requiring precise fitment.

Blow Guns are utilized for targeted dust removal and general industrial cleaning applications. They must meet safety standards for operator protection.

They are typically constructed from durable, high-impact polymers or metals for longevity in shop environments. Other variations include the Rubber Tipped Blow Gun for protecting delicate surfaces and adjustable models for controlled air delivery.

The primary technical function of all listed blow guns is the safe and highly efficient delivery of regulated compressed air. Design focus is placed on operational safety and output consistency.

The Safety Blow Gun incorporates a critical venturi tip designed to restrict output pressure. This function limits the nozzle pressure to less than 30 PSI, meeting stringent regulatory requirements for industrial use.

The Ready Jet In-Line Blow Gun is designed for high flow rates and quick action in MRO tasks. It features a compact, lightweight body and a handle-less design for easy manipulation.

It utilizes standard 1/4-inch female NPT connections for simplified integration into existing compressed air lines. The internal mechanisms are optimized to ensure a tight, leak-free shut-off upon immediate release.

The Star Tip Blow Gun is a robust, professional-grade tool built for demanding, heavy use cycles. It incorporates a forged brass piston and specialized air filter packaging for component longevity.

The core design utilizes a star-shaped nozzle to achieve progressive, diffused air flow. This specialized nozzle assists in compliance with regulatory standards for maximum air output pressure.

Its design prioritizes overall durability and high leverage for reliable, long-term operation in challenging MRO settings.

The Rubber Tipped Blow Gun and Safety In-Line Blow Gun are specifically engineered for enhanced safety and surface protection requirements. The integrated rubber tip prevents scratching or damage when working near sensitive equipment.

The safety model is specifically designed to restrict air pressure output at the nozzle. This limitation ensures the output is maintained below 30 PSI, meeting stringent industrial safety mandates for operator protection.

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The Aircomb Filter and Radiator Cleaner is a variable-flow blow gun featuring a unique nozzle design. This design is engineered specifically to dislodge and clear debris from radiators, condensers, and finned surfaces.

It provides a high-volume, yet precisely controlled, air stream tailored for critical heat exchanger maintenance. This targeted flow prevents damage to delicate fins.

The COBLC Coupler Blow Gun is a multi-functional tool, combining a standard blow gun with a Quick Coupler feature. This integration allows the user to quickly attach and detach other pneumatic tools without shutting down the main line supply.

It is constructed from solid brass, ensuring excellent durability and superior corrosion resistance in standard shop environments.

The OSHA Compliant Blow Guns are explicitly designed to meet maximum operating pressure and air flow safety requirements. They are often rated to 174 PSI supply pressure.

These guns are engineered to deliver powerful, yet controlled, airflow for general-purpose cleaning tasks. This design ensures compliance with strict workplace safety standards while maintaining functionality.

The Wall Support Bracket provides a durable, reliable mounting solution for securing blow guns and hoses. This accessory ensures workspace organization and component protection against physical damage.

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Interchange Standards are a range of quick-disconnect fittings essential for pneumatic systems. These fittings provide rapid, secure connections for tools and hoses while accommodating different industry interchange standards.

The core function of these components is defined by their strict adherence to specific dimensional and performance interchange profiles. This compliance is critical for ensuring necessary cross-compatibility within professional air systems.

The Industrial Interchange Series (Milton/Tru-Flate) utilizes the most common profile within the MRO sector. This design is engineered to be broadly compatible with industrial components meeting similar standards.

The ARO 210 Interchange profile represents a smaller, more specific standard for certain applications. It is often preferred in critical manufacturing and shop environments due to its compact size and low air pressure drop characteristics.

All couplers and plugs are structurally designed to handle system air pressures up to 300 Psi. They are also frequently rated for continuous operating temperatures up to 250°F.

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Coupler & Plug are typically manufactured from durable materials such as solid brass, robust steel, or lightweight aluminum alloys. Steel parts often feature plated finishes, such as chrome or zinc, for enhanced corrosion resistance in humid environments.

Couplers incorporate essential spring-loaded valves that automatically shut off airflow when the corresponding plug is disconnected. This critical mechanism prevents air loss, minimizes noise, and avoids system depressurization.

They also feature a robust locking mechanism, commonly a Ball Lock design. This secure mechanical connection is necessary to prevent accidental detachment during pneumatic tool operation.

Plugs are the passive mating inserts, precisely designed with specific dimensions to seat correctly and securely into their corresponding coupler type.

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The fittings are available with various termination styles to suit diverse piping and hose requirements. Selection depends on system integrity and flexibility needs.

Most common are National Pipe Thread (NPT) terminations in both male and female configurations. These facilitate robust, threaded integration into rigid piping or pre-assembled hose connections.

Standard Hose Barb configurations are also readily available, providing a secure, serrated connection point for flexible rubber or PVC hoses. This method requires an external clamp for final installation security and pressure retention.

The diverse range ensures that MRO technicians can select the optimal fitting based on the required system integrity, specific flow capacity, and mandatory connection method.

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Specialized Air-Line Couplers are a selection of air system fittings focusing on quick-connect functionality, inherent safety features, and specific interchange standards. These couplers are essential for specialized MRO tasks.

The Double Shut-Off Brass Sleeve Coupler incorporates integral valves in both the coupler and the corresponding plug. This critical feature prevents air loss from both the main line and the tool side upon disconnection.

These are constructed from durable brass material for enhanced corrosion resistance in MRO environments. They feature a robust internal mechanism engineered to manage pressure surge effectively upon connection.

The Lincoln Long Stem Coupler is specifically designed to accommodate the extended valve stem required on certain long-nose tool couplings. This feature ensures proper valve actuation for maximum air flow and secure seating.

The E-Z Mate Quick-Disconnect Couplers are universal fittings engineered for interchangeability across multiple major industrial standards. This includes the common Industrial, ARO 210, and Lincoln profiles.

These are rated for continuous service on systems up to 300 PSI and are built with durable, plated steel components. A key safety feature is the incorporation of weep holes to prevent accidental disconnection when the line is pressurized.

The 5-in-1 Safety Exhaust Coupler is a specialized safety device designed to connect to the tool end of the pneumatic system. It automatically vents system pressure upon disconnection, mitigating the risk of hazardous hose whip.

This ensures that the air tool itself is safely depressurized before removal, significantly enhancing operator safety.

Finally, the Non-Marking Couplers are constructed using specialized polymer materials to prevent surface damage. This design prevents scuffing or scratching of painted finishes or sensitive components during assembly and disassembly.

These polymer couplers are typically pressure-rated up to 150 PSI for pneumatic service. They are also subject to temperature limitations compared to their full-metal counterparts.

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Air-Line / Hydraulic Quick Couplers is a category that encompasses quick-connect and disconnect components for fluid transfer lines. They are primarily utilized in hydraulic, air, water, steam, and select gas systems due to their robust design.

These components are engineered for ease of operation and reliable, high-integrity sealing under pressure. A key feature is the employment of double shut-off minimum fluid loss valves to automatically secure the line upon disconnection.

Sealing is actively maintained through the use of nitrile (Buna-N) or Teflon backup rings. This material selection provides enhanced resistance to both chemical degradation and mechanical shock in dynamic environments.

The established operating temperature range for these specific couplers is rigorously specified as -40°F to +250°F. Compliance with industry standards is documented through adherence to the ISO 7241-1 B Series and ISO 7241-1 A Series specifications.

Core applications for this component line include usage on demanding construction equipment and heavy machinery. They are mandatory components on mobile hydraulic systems such as snow plows and dump trucks.

Air-Line / Hydraulic Quick Coupler Dust Caps & Plugs are essential protective accessories designed to maintain the integrity of quick couplers and nipples. They are utilized when the components are not actively connected within the fluid circuit.

The primary function of these items is to prevent the ingress of dirt, dust, moisture, and other external contaminants into the fluid line. This protection is critical for maintaining system cleanliness and ensuring operational reliability of the hydraulic fluid.

Furthermore, they are used to physically protect the delicate mating elements of the coupling halves from potential mechanical damage during periods of disconnection. Damage to these surfaces can lead to coupling failure.

A key specification is the inherent design to prevent damage to the O-ring seals on the coupler when the dust cap is utilized. These protective components are engineered to offer complete interchangeability across same-profile quick coupling purchases.

Ball Swivel Air Hose Connectors & Fittings are strategically focused on optimizing the utility and extending the lifespan of pneumatic tools. This is achieved by integrating a ball swivel into the connection interface.

This design allows for an unrestricted 360° rotation of the pneumatic tool during operation. This freedom of movement minimizes hose drag and tangling, effectively reducing operator fatigue and increasing overall production capacity.

The fittings are constructed with a lightweight, compact body to minimize added mass at the tool connection. The critical connector portion is plated with hardened steel for enhanced durability and superior wear resistance.

The core application for these fittings is to be used with high-demand air tools, such as blow guns, and impact wrenches. They are mandated wherever the unrestricted swivel of the pneumatic tool is necessary for operational efficiency.

HOSE CLAMPS – Hudson Valley MRO Reference

Standard hose clamps are engineered for all popular applications and conform strictly to the SAE J1508 standard. MRO technicians in Essex County, N.Y. rely on their stainless-steel band construction, which delivers the necessary strength and steady tension needed for reliable installation in everyday field service.

The design avoids spot welds, thereby mitigating potential failure points from rupture or corrosion. The band material is chosen to deliver secure, long-term clamping in general service MRO environments.

A zinc-plated, carbon steel, slotted screw with a non-interfering tightening mechanism is employed for quick and secure installation. The primary screw material is SAE 1018 steel, which is case hardened and zinc plated to enhance corrosion resistance.

These clamps are suitable for general MRO and light hydraulic applications where moderate corrosion resistance is acceptable. Compliance with the SAE J1508 standard is a primary requirement for use.

100% Stainless Steel Hose Clamps are explicitly engineered for applications requiring complete, superior corrosion resistance. The construction features both the band and the housing made entirely of SAE 301 (18-8) series stainless steel.

The band edges are specifically rounded during manufacturing to prevent mechanical damage to the hose material during the installation process. The integrity of the hose is maintained under high tension.

The worm drive mechanism utilizes an extra-long, 100% stainless steel screw with a non-interfering tightening feature. The screw is a slotted hex type, enabling maximum installation torque via common MRO tools.

The strict adherence to 100% stainless steel construction ensures complete corrosion protection. This design is mandated for demanding applications in marine, chemical processing, or extreme weather MRO tasks.

This section comprises specialized hose clamps that extend the available size range for both Standard and 100% Stainless Steel categories. This ensures complete application coverage for MRO requirements.

These larger dimensions maintain the exact same material specifications, technical standards, and characteristics as their smaller counterparts. This includes SAE J1508 compliance for the standard line.

This expansion addresses MRO requirements involving larger diameter hoses or couplings. It provides the same verified performance and compliance in material composition and tensioning mechanisms.

Stainless Steel Micro Clamps are specifically designed for reliable tightening in limited access locations. Their primary application involves installations where minimal physical space is available for assembly.

The clamp construction utilizes a 300 Series stainless steel band and housing, ensuring adequate corrosion resistance in constrained spaces. The screw is an 18-8 stainless steel hex head type.

Material selection focuses on achieving high strength and necessary corrosion resistance in a minimized form factor. The design prioritizes consistent sealing performance in tight quarters.

Constant Torque Hose Clamps are engineered to actively prevent the effects of cold flow and subsequent hose leaks on heavy equipment. This is critical for systems operating under constant thermal cycling (e.g., trucks, buses).

The band is constructed from Carbon steel plated SAE 1050 material, which is heat-treated to achieve specific elongation properties. The drive utilizes a Torsional Spring with a 3/4 inch effective diameter.

This drive is designed to maintain consistent clamping force across temperature fluctuations ranging from -40°F to 302°F (-40°C to 150°C). These clamps are rated for working pressures up to 300 Psi and meet SAE J1508 and SAE J400 standards.

Specialized Lined Hose Clamps  are specifically constructed for use on soft-housed silicone and other specialty hose materials. The primary application is preventing material extrusion and physical damage under high tension.

The band is stainless steel with a specialized, bonded liner that provides a smooth, non-abrasive interior surface for protection. The screw is typically case-hardened and zinc-plated SAE 1018 steel for enhanced torque.

This design ensures the critical sealing integrity of delicate hoses without causing physical damage to the exterior material.

T-Bolt clamps are utilized in heavy-duty applications requiring high-force sealing, such as large pumps and industrial coolant systems. Core applications also include dairy industry and demanding irrigation systems.

The construction features a robust SAE 301 stainless steel band that is 3/4 inch wide and 0.025 inch thick. The T-bolt and nut are either plated steel or SAE 300 Series stainless steel for critical corrosion resistance.

The design achieves both high strength and consistent clamping force. This is mandatory for reliable sealing under high pressure and significant vibration in demanding MRO environments.

Torque-Heavy Duty Lined Hose Clamps are single-piece clamps designed for heavy-duty industrial use, offering enhanced protection against slippage and exterior surface materials. They feature a 100% stainless steel band and housing for longevity.

The integrated lining material, though unspecified, serves the primary function of protecting the host hose material. The screw is an 18-8 stainless steel material, providing high corrosion resistance and high tightening torque capabilities.

Core applications involve robust sealing where maximum torque application and hose protection are simultaneously required under industrial loads.

Type “G” Fuel Injection Clamps are strictly designated for use on rubber or plastic hose materials in specific fuel injection systems. This application requires reliable sealing against pressurized fuel.

Material construction consists of a zinc and black dichromate finish on all metal components. This specialized finish is designed to actively resist corrosion from direct fuel exposure.

Their primary function is to secure connections reliably in demanding automotive and industrial fuel systems where vibration and temperature fluctuations are common.

Self-Adjusting Clamps are composed of a unique shape memory material designed to compensate for variations in hose diameter. This change is caused by fluctuations in temperature and internal pressure.

The material is a proprietary Wave Profile SmartLiner® composition, engineered to maintain consistent pressure. The housing and band are constructed from SAE 301 stainless steel (18-8), and the screw is an 18-8 stainless steel hex head.

The clamping force is designed to be low-profile for limited space, and the clamps are made of 100% stainless steel. This construction provides superior corrosion resistance and consistent clamp load across thermal cycles.

Ear clamps are utilized for achieving a maximum pressure dump on various rubber, silicone, plastic, or PVC hoses. They are also used widely as secure electrical and directional cable ties.

The primary component is an 100% stainless steel band, offering excellent corrosion resistance and forming a tamper-proof, high-security seal.

The design is widely used for both maintenance and OEM (Original Equipment Manufacturer) requirements. They are specifically employed where significant vibration and high pressures are consistently encountered.

Norma Torro (European Style) Clamps are frequently used for critical fuel, vacuum, emission, and heater hoses in European-style MRO. The design is engineered for precise sealing.

The band is constructed from Chrome steel (Cr steel), which provides either a 9/16 inch or 1/2 inch width profile. The design offers a wide range of adjustment for size coverage.

They provide excellent sealing power and exhibit high resistance to corrosion and thermal effects encountered in engine compartments.

Unique Multi-Purpose “O-Clip” Clamps are made from 100% stainless steel and are suitable for diverse applications. This includes automotive, trucks, trailers, construction equipment, and harsh marine environments.

They offer 360-degree uniform compression around the hose circumference and maintain a low-profile installed design. The construction utilizes a stepless mechanism that eliminates gaps on the inner circumference.

The primary material is stainless steel, ensuring comprehensive and consistent rust protection for long-term sealing performance.

Spring Action Hose Clamps are specifically designed for application on standard rubber or plastic hose materials. They feature robust, heat-treated spring steel construction to deliver consistent tension.

The core application involves hose connections where moderate, self-adjusting spring tension is required for reliable sealing. This design compensates for thermal expansion and contraction cycles.

The specialized tool, the Hose Clamp Plier, is mandatory for their precise installation and removal. This plier allows for secure manipulation and compression of the clamps.

Stepless® Ear clamps are used on thin wall hose or tubing constructed from specific materials. This includes silicone, nylon braided, reinforced cotton, polyethylene, polypropylene, and PVC.

They are engineered to provide 360-degree uniform compression and an impermeable seal against leakage. They feature a smooth, narrow band design with deburred edges to prevent damage to the hose material.

The material construction is 100% stainless steel for superior corrosion resistance and durability. This design eliminates internal steps or gaps, providing a seamless inner circumference and a tamper-proof seal.

These clamps are suitable for low-pressure applications up to 145 Psi or 10 Bar. They maintain compliance with the established international standard DIN 3001.

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Heavy Duty Side Jaw Pincers are strictly intended for the professional installation of Stepless® Ear Clamps. Their design incorporates a side jaw configuration to facilitate secure crimping of the ear mechanism.

The tool is constructed from drop-forged, hardened steel to withstand the repetitive, high force required for consistent clamping applications.

Heavy Duty Straight Jaw Pincers serve the identical crimping function for Stepless® Ear Clamps. However, they utilize a straight jaw design, also constructed from hardened, drop-forged steel for maximum durability.

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Brass hose ferrules are designed for economical, rapid assembly and are primarily utilized to manufacture custom hose assemblies in MRO settings.

The material is brass, which provides good corrosion resistance in non-acidic environments. It also offers the necessary ductility for the precise, secure crimping process.

Core applications involve general hydraulic and industrial hose fabrication where quick, reliable crimped joints are required.

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Hose Ferrule Crimping Tool is a specialized, professional-quality device utilized for the fast, accurate crimping of hose ferrules onto the hose material. Precision is critical for joint integrity.

It is designed to reliably accommodate ferrule sizes up to 1 inch inside diameter. The tool construction, using hardened steel components, is engineered for durability and reliable operation in an MRO assembly setting.

Spring Hose Clamp Pliers are specifically designed for working on flat band, spring band, and special cover clamps across multiple MRO applications. They feature a robust, forged steel construction.

The pliers utilize chrome vanadium steel tips and a vinyl-dipped handle for enhanced grip and operator comfort. The core function is the efficient installation and removal of these specialized clamps.

The tool has adjustable positions for necessary adaptability across various clamp sizes and applications. It is used on Air Intake, Cooling, Charged Air, Heating/Radiator, and Fuel Lines.

BRASS FITTINGS – Hudson Valley MRO Reference

Pipe brass fittings are characterized by tapered threads that achieve their seal on the fitting body, with the integrity of the joint relying on the mechanical interference of the thread taper. MRO mechanics in Washington County, N.Y. depend on this proven design for secure, leak-resistant connections in everyday field service.

Inverted Flare fittings feature a connection where the recessed cone seats directly on the fitting body surface. This connection requires a specific 45° internal seat for effective sealing.

SAE 45° Flare fittings are identifiable by a tapered hose end that seals directly on the fitting body. The critical sealing mechanism relies on the metal flare pressing securely against the mating 45° surface.

Compression fittings are identifiable by the use of two separate sleeves or ferrules that compress the tubing when the nut is tightened. This controlled compression creates the primary, leak-proof seal without requiring flaring of the tube.

Double Compression fittings utilize a single threaded insert designed to compress the tubing material. This method successfully secures the hose connection to the fitting without the need for a separate flaring operation.

Selfalign® fittings use a single barbed sleeve with flanges that fits over the exterior of the tube. The tubing is then slipped over the barbed end and secured firmly by the flange, creating a tight seal without the necessity of flaring.

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Brass Pipe Fittings are manufactured from solid brass bar stock for high mechanical strength and reliable vibration resistance in MRO fluid systems. They are specified for general service with water, oil, air, and non-flammable, non-toxic hydraulic fluids, and are approved for LP-gas and natural gas up to 150 PSI. 

The tapered dryseal pipe threads (NPTF) create the primary seal without thread sealant, although sizes from 1/8 inch to 3/4 inch may still require a pipe joint compound to ensure a fully leak-proof joint. These components offer strong corrosion resistance, stable performance at elevated temperatures, and are rated for a maximum working pressure of 1000 PSI in standard industrial applications.

Shapes / Configurations include Street Tees, 45° Street Elbows, standard Elbows, Cross fittings, and Hex Nipples provide the necessary directional changes, extensions, and branching points within a threaded brass piping system. All shapes maintain the same brass construction, NPTF thread geometry, and full 1000 PSI working pressure capability throughout the fluid line.

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Inverted Flare Tube Brass Fittings are used for high-pressure fuel, oil, and non-corrosive hydraulic lines, along with brake, power-steering, refrigeration, and air-conditioning systems where vibration resistance and sealing reliability are mandatory. The tubing end is flared to 45° and seats directly into the conical surface of the fitting body, forming a precise metal-to-metal seal. 

When used with properly cut copper, steel, or aluminum tubing, this connection delivers consistent leak resistance and stable performance under high mechanical stress. All components are rated for a maximum working pressure of 3000 PSI, provided correct installation practices are followed.

Available configurations include the 90° Male Elbow, 90° Female Elbow, Male Connector, Female Connector, Standard Nut, Steel Nut, Long Steel Nut, Union, Union Elbow, Union Tee, Male Branch Tee, and Steel Plug. These shapes enable branching, extensions, directional changes, or termination points while maintaining the full integrity of the 45° inverted flare metal-to-metal seal across the entire high-pressure line.

SAE 45° Flare Tube Brass Fittings are used with tubing that can be flared—typically copper, brass, aluminum, and certain plastic or lightweight tubing. Installation requires forming a certified 45° flare on the tubing end so it can seat directly against the cone of the fitting body. 

This metal-to-metal contact produces a secure structural joint with strong vibration resistance, suitable for conveying air, water, oil, gas, hazardous liquids, LP/natural gas, and low-pressure hydraulic circuits. All components are rated for a maximum working pressure of 1000 PSI, provided the tubing itself meets or exceeds the required pressure rating.

Available configurations include the Union, Union Elbow, Union Tee, 90° Male Elbow, 90° Female Elbow, 45° Male Elbow, Male Connector, Female Connector, Male Run Tee, Male Branch Tee, Short Nut, Long Nut, and Plug. These shapes provide the necessary branching, directional changes, and terminations while maintaining the full integrity of the 45° flare metal-to-metal seal throughout the system.

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Standard Brass Compression Tubing Fittings are used with copper, brass, aluminum, and plastic tubing for general MRO fluid conveyance systems. Typical applications include air, oil, water, vacuum, refrigerants, and non-flammable hydraulic fluids in instrumentation, pneumatic, and hydraulic circuits. Installation requires only a clean, square cut and light deburring—no flaring, soldering, or heat. 

Sealing is produced by a ferrule or sleeve that compresses onto the tubing as the nut is tightened, forming a repeatable, vibration-resistant mechanical joint. These fittings connect to ports using tapered NPTF pipe threads and are intended for low- to medium-pressure service, delivering consistent sealing performance when used within their intended operating range.

The available configurations include the Bulkhead Fitting, Sleeve, Nut, Long Nut, Male Connector, Female Connector, 90° Female Elbow, 90° Male Elbow, Male Run Tee, Male Branch Tee, Union, Union Elbow, and Union Tee. These shapes support panel pass-throughs, straight runs, branching, directional changes, and tube-to-tube connections while maintaining the integrity of the compression-sleeve sealing system across the full assembly.

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Selfalign Brass Fittings are used with copper, brass, aluminum, and thermoplastic tubing, but are not recommended for steel tubing. They are specified for LP and natural gas, hazardous fluids, oil, pneumatics, and instrumentation circuits operating in low- to medium-pressure environments. 

The sealing system uses a two-component mechanism: a tapered-bore sleeve slides onto the tubing, and the nut tightens until the sleeve seats fully in the fitting body. This produces a consistent, self-aligning mechanical joint without flaring or soldering. Sleeves cannot be reused once compressed. All components are rated for 2000 PSI, provided the tubing material meets its own required pressure rating.

The system consists of the Sleeve, Nut, and basic Union, along with additional configurations such as the Union Tee, Union Elbow, Female Connector, Male Connector, and Male Elbow. 

These shapes support branching, directional changes, panel transitions, and tube-to-threaded-port connections while maintaining the full 2000 PSI performance of the Selfalign joint. The geometry is similar to standard compression fittings but incorporates a larger internal taper to ensure proper seating of the dedicated Selfalign sleeve

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Fastube Instant Brass push-to-connect fittings are designed for rapid assembly and modification of fluid systems using polyethylene, polyurethane, polypropylene, nylon, and other accepted thermoplastic tubing. They are not recommended for brake-line service. 

The one-piece brass body uses an internal 360-degree annular tooth for secure tube retention, while a dedicated O-ring provides the primary airtight seal upon insertion. Installation requires only a clean, square tube cut with light deburring—no flaring, soldering, or special tools. All components are rated for 150 PSI and operate reliably from -10°F to 180°F (-23°C to 82°C), offering strong vibration resistance for general MRO applications.

Configurations include the Tube End Reducer for diameter transitions, Union and Bulkhead Union for straight or panel-pass connections, and directional fittings such as the Union Elbow and 90° Male Elbow. 

Branching options include the Union Tee and Male Branch Tee (Swivel), with additional swivel variants such as the 90° Male Elbow (Swivel) and Male Run Tee (Swivel) for orientation adjustment after threading. System termination uses the Plastic Plug, while Male and Female Connectors interface thermoplastic tubing with threaded ports. All shapes maintain the same brass construction, push-to-connect gripping system, and full 150 PSI rating.

Composite Push-to-Connect Brass Fittings are a lightweight, economical alternative to non-critical brass fittings and are intended for air, water, and select low-demand hydraulic systems. They are not approved for air brake or any life-safety applications. 

The body is molded from a corrosion-resistant composite material, paired with brass threads in all threaded variants.Internally, a brass collet grips the tubing while an O-ring forms the airtight seal upon insertion. 

All elbow and tee configurations provide full 360-degree swivel after installation for improved routing flexibility. These fittings connect and disconnect instantly without tools, require only a clean, square tube cut, and are rated for 150 PSI within a 35°F to 165°F (2°C to 74°C) operating envelope.

System options include the Union for straight runs, Union Elbow for 90° non-threaded transitions, and the 90° Male Elbow or Male Run Tee (Swivel) for directional changes involving male pipe threads. Female and Male Connectors interface the push-to-connect tubing with corresponding threaded ports. 

The Union Tee branches three equal-diameter tubes, while the Male Branch Tee (Swivel) provides branching with thread orientation adjustment. Additional routing options include the 90° Female Elbow for changes at female pipe thread ports and the Union “T” Connector and Union “Y” Male Connector for specialized multi-directional layouts. All shapes maintain the composite body, brass-thread construction, and full 150 PSI rating.

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Metric Push Connect Fittings are engineered for rapid, tool-free connection and disconnection of metric-sized tubing in MRO systems. Core applications include air, water, and non-flammable hydraulic circuits found in instrumentation, coolant, and compressed-air lines.

They are not approved for air-brake or any safety-critical use. 

The design uses a brass collet for tubing retention and an internal O-ring for sealing, compatible with Nylon, Polyethylene, and Polyurethane metric tubing. All threaded variants use BSPT or BSPP threads for international compatibility. Components are rated for 145 PSI and operate within 40°F to 150°F (4.4°C to 65.5°C). Elbow and tee configurations provide full 360-degree swivel after installation for improved routing flexibility.

System components include the Plastic Plug for port sealing, the Union for straight tube-to-tube runs, and the Bulkhead Union for panel-through connections. Directional changes use the Union Elbow or the Male Elbow (BSPP/BSPT). 

Threaded integration uses the Male Connector, Female Connector, and Male Run Tee (Swivel), with the swivel function enabling orientation adjustments after threading. 

Branching options include the Union Tee, Male Branch Tee (Swivel), and specialized layouts such as the Union “Y” fitting for dual-direction flow. All shapes maintain the same O-ring seal system, brass-collet retention, and full 145 PSI rating.

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Fuller Transmission Compression Brass Fittings are designed for specialized compression applications in the service and critical repair of Fuller Truck Transmissions. They must create a robust seal in demanding environments.

The components, including the nut, insert, sleeve, and collet, are precisely constructed from solid brass bar stock. Their primary application is to create a secure, compression-style joint on 3/8 inch Nylon tubing.

Assembly is functionally straightforward, requiring only a simple square-cut tubing end with no flaring. This design ensures a reliable connection for transmission fluid or air lines in heavy-duty truck maintenance.

Barb fittings are designed for quick, economical, and easy connections of polyethelene tubing. The base material of construction is solid brass for corrosion resistance.

Applications include general MRO use for 1/4 inch, 5/16 inch, and 3/8 inch I.D. soft-wall tubing. The connection is achieved by simply pushing the tubing over the barb end.

The resulting seal is typically secured with an external hose clamp to maintain pressure integrity. The maximum temperature rating is restricted to 75°F (24°C).

The design permits the option of double or single barb configurations for increased security and sealing surface area. Configurations include the Union Elbow, Union Tee, and 90° Male Elbow.Threaded Sleeve Tubing Fittings

These fittings are designed for general fluid conveyance applications involving oil, air, water, and lubrication systems. They are suitable for use with copper, brass, aluminum, and thermoplastic tubing.

The construction material is brass, providing strength and resistance to corrosion. The fitting is assembled by hand tightening the tube nut onto the body, followed by an additional 1/4 turn with a wrench.

Key technical characteristics include a sealing mechanism similar to standard compression fittings, where a sleeve is threaded onto the tubing. The primary difference is the sealing face being at a right angle to the opposite end.

They are rated for a maximum working pressure of 500 Psi for 1/8 inch and 1/4 inch sizes. The larger 5/16 inch and 3/8 inch sizes are limited to 300 Psi.

These components are sometimes referenced in the industry asDouble Compression fittings. Configurations include the Nut, Male Elbow, Male Connector, and Union.

GM Cooler Repair Fittings are a highly specialized, direct replacement solution for repairing damaged or stripped threads in the GM Cooler. The material construction is solid brass.

They are utilized in applications involving the sealing of damaged radiator, oil pan, and side tank threads. This offers a secure, leak-free connection without costly component replacement.

The unique design features an integrated flange and an essential O-ring seal to ensure reliability and thermal stability under MRO conditions.

Hose Brass Fittings are specified for low-pressure conveyance systems involving air, oil, and water. They are mandated for use within automotive, light truck, and small engine applications.

The brass construction ensures necessary corrosion resistance for the designated fluid media. Sealing is achieved via barbed ends inserted into the hose, typically secured by an external hose clamp.

Specific configurations address varied MRO requirements: The Male Pipe End connects a hose directly to a female pipe thread. A 90° directional change at a male pipe thread connection is accomplished by the Male Pipe 90° Elbow.

The Hose Splicer joins two hose sections of the same nominal diameter. Specialized components include the Reusable Splicer, a two-piece fitting allowing hose splicing with subsequent reuse capability.

Inverted Flare & SAE 45° Flare brass fittings features directly into hose systems, with all components constructed from brass. This integration facilitates system transition.

These components are utilized to connect a hose to the high-pressure, 3000 Psi Inverted Flare or the 1000 Psi SAE 45° Flare rigid tubing systems.

Configurations include the Inverted Male Connector, Inverted Male Elbow Swivel, SAE 45° Flare Connector, and Male Straight Thread Connector. These allow the system to transition securely from flexible hose to rigid flared tubing or threaded ports.

Barb-Tite fittings, fabricated from CA360 brass, are engineered for low-pressure air, fuel, oil, and water lines. They mandate a secure seal without the need for an external clamp.

The mechanism relies on a unique, extended barbed design. This design utilizes the elasticity of the hose material to establish a secure, integral seal upon insertion.

The Hose Mender/Coupler is specified for joining or repairing hose sections without external clamping devices. For interfacing, the SAE 45° Flare Male Swivel provides a connection to a 45° flare nut with rotational adjustment.

Fixed connection to a male pipe thread is reliably handled by the Male Pipe Rigid. Lastly, the Inverted Male Swivel interfaces the clampless system with an Inverted Flare nut connection, allowing for swivel function.

Specialized Adapters Brass Fittings outlines specialized adapter fittings, primarily of brass construction with some steel components. They are designated for specific MRO applications within automotive and industrial systems.

JIC Flare to O-Ring Port adapters, available in both steel and brass, transition a JIC 37° flare connection to an O-ring boss port. These are suitable for air conditioning and power steering fluid lines.

The SAE 45° Flare to Inverted Flare Adapter (brass) connects standard SAE 45° flare systems to the specific Inverted Flare systems.

Simple brass fittings include the Carburetor to Fuel Line Adapter for fuel inlet thread adaptation. The Restriction Pipe Adapter (brass) is a specialized component used to regulate flow by introducing calibrated restriction into a pipe line.

Push-On Hose Brass Fittings are designed for low pressure, air, fuel, oil, and water lines and utilize a specific push-on mechanism for quick, clamp-free assembly. They are constructed from durable brass.

They feature an extended, secured barbed design and are rated for a maximum working pressure of 140 Psi. The permissible temperature range is -40°F to 212°F (-40°C to 100°C).

The associated hoses, Rubber Cover Hose (Neoprene outer cover) and Fabric Cover Hose (fiber braid cover), are specifically designed for fluid compatibility with diesel fuel.

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Fastube Instant Air Brake Fittings are precisely engineered for critical air brake systems. They are constructed from durable brass and utilize the required tapered pipe threads (NPTF).

They are designed exclusively for reliable use with square-cut Nylon tubing that is free of burrs. These components are DOT Approved, mandating full compliance with FMVSS 571.106.

The fittings meet or exceed the rigorous performance requirements of SAE J1131. The maximum operational pressure is strictly set at 150 PSI for system integrity.

Core applications include critical connections within vehicle air brake systems, such as the air compressor and relay valves. They are also used for ancillary air-operated functions.

The design incorporates a brass collet and an internal O-ring to establish a reliable, vibration-resistant seal and secure tubing retention. Configurations strictly adhere to the cited DOT/FMVSS standards for air brake reliability.

Fastube Instant Air Brake / Brass Fittings are specifically fabricated from brass and are utilized in both air brake systems and general Fastube installations. Their application serves common connection requirements across fluid conveyance systems.

 

While no specific compliance standards or pressure ratings are cited in the available data for this grouping, their construction facilitates various MRO system connections.

These configurations include standard unions, elbows, swivels, and bulkhead components. They are designed to facilitate both male and female pipe thread connections within their respective air brake or general hydraulic system environments.

Air Brake Fittings for Nylon Tubing are constructed from brass and are specifically engineered for compatibility with nylon tubing in air brake systems. They are DOT Approved, mandating compliance with SAE J1131 and FMVSS 571.106.

Compliance is contingent upon assembly with nylon tubing meeting SAE J844 Type A or B. They must also be correctly assembled with specified copper alloy tubing components.

The maximum operating pressure is 150 Psi at ambient temperature. The maximum recommended continuous service temperature is 100°C (212°F).

The primary application is in air brake systems utilizing nylon tubing, where configurations include standard connectors (unions, elbows, tees). They also include essential components such as sleeves, nuts, and tubing inserts.

Air Brake Fittings for Copper Tubing are specifically engineered for mechanical connection with copper tubing in air brake applications. They are designed for a robust, reliable, mechanical joint.

No specific compliance standards or pressure ratings are cited for this category in the provided data. The primary application remains air brake systems utilizing copper tubing for conveyance.

Reliable installation necessitates specific tooling, including a tube cutter and deburring tool for preparation. It requires a defined tightening sequence (e.g., 1 1/4 turns to 2 1/4 turns past hand-tight) for sealing integrity.

The component inventory includes basic connection types such as sleeves, nuts, unions, elbows, tees, and male connectors.

Push-To-Connect (PTC) composite fittings are engineered for air brake systems using SAE J844 Type A & B nylon tubing. They provide simplified, reliable, and swift connection without the need for flaring or soldering.

The fittings are DOT Approved and meet the rigorous requirements of FMVSS 571.106, SAE J1131, and D.O.T. standards. They are designed to meet or exceed the performance needs of all standard truck and trailer air brake systems.

The operational temperature range spans -40°F to +200°F (-40°C to +93°C) for environmental resilience. Core applications include various configurations such as unions, elbows, swivels, and connectors for air brake systems utilizing nylon tubing.

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The Air Compressor Discharge Hose – Teflon assemblies are specified as flexible alternatives to rigid copper tubing. They are designed to connect the air compressor to the vehicle’s air reservoir.

These assemblies utilize a Teflon core for enhanced thermal and chemical resistance to the high-temperature and harsh environment near the compressor. The fittings are designed for direct installation using standard brake nuts and sleeves.

The discharge hose for GM buses is a specialized replacement component for specific original equipment manufacturer parts. This assembly uses a three-quarter-inch male pipe to flange termination.

Air Brake Hose Repair & Assemblies Field Installation Kit for 3/8 inch I.D. air brake hose provides components for secure on-road repair. It utilizes a two-piece brass shell and a nylon insert for assembly.

All kit components are non-corroding brass or brass hose and are compatible with major truck manufacturers, including Freightliner, Peterbilt, and Kenworth. Its core application is emergency repair near the valve or brake chamber.

The fittings are reusable and attach using a standard 5/16 inch hex key and a standard knife for hose preparation. This eliminates the necessity of full hose disconnection for minor repairs.

Air Brake Chamber Hose Line assemblies are available in various standardized lengths. They feature 3/8 inch I.D. hose with attached brass end fittings.

The fittings include a 3/8 inch air (brake swivel) and an Air-to-1/4 inch male pipe adapter. These low-cost assemblies are specified for general air brake line applications where compliance standards are not explicitly mandated.

The Quick Fix Hose End Fitting is a specific brass repair component for compromised hose ends. This fitting is certified to comply with DOT 106 and all air brake requirements.

The materials meet all SAE standards for fittings and hose used in the USA. The core application is the quick, on-site restoration of assembly integrity to a factory-grade seal.

It is designed for simple field assembly using an E-Z Installation sequence. This sequence involves a shell, lock ring, retaining ring, and insert to achieve a secure, permanent seal.

Reusable Air Brake Hose Fittings (Sleeve Type I) are designed for mechanical assembly without requiring crimping. They utilize components like an insert, sleeve, nut, and spring guard for compatibility with reinforced hose types.

These fittings are specifically engineered to meet the requirements of air brake hose specifications, specifically SAE J1402 and FMVSS 571.106.

The operational limits of the assemblies are strictly dictated by the connected hose type. The combined assembly is rated at 300 PSI, 1000 PSI, or 1750 PSI across different component sizes.

Their core application is creating reusable, field-serviceable air brake hose assemblies for truck and trailer systems. This is achieved through simple mechanical insertion and tightening processes.

The compatible Type B Air Brake Hose features a synthetic rubber tube and a four-spiral synthetic yarn cover. This composition offers necessary resistance to oil and common brake fluids.

This hose is DOT Approved and meets the requirements of FMVSS 571.106 and SAE J1402 Type A. It is rated for a maximum working pressure of 225 PSI.

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Manual Fuel Tank Selector Valves are constructed from brass for guaranteed fuel compatibility and corrosion resistance. They provide quick, positive, and leak-proof manual control for fuel flow switching.

The Electric 3-Way Fuel Tank Selector Valve utilizes a Plated Steel body and Viton seals for automated selection. It operates on 12 VDC with low amperage draw and integrates check valves to prevent backflow.

General Use Valves feature brass ball-off bodies and Viton O-rings for seals. They are compatible with fluids including propane, natural gas, air, oil, and industrial lubricants.

They are rated for a maximum of 125 PSI for saturated steam and 600 PSI for water, oil, gas, and general industrial applications. They function as reliable shut-off valves in general fluid/gas systems.

Heater Hose Valves utilize a composite plastic body with brass stems and seals compatible with engine coolants. Their primary function is controlling hot coolant flow to the vehicle’s heater core.

Tank Valves are brass components featuring a standard valve core and cap. They are utilized for the pressure testing and metered addition of fluids or air to pressurized tanks.

Brass Inserts for Flexible Plastic Tubing are used to maintain the inside diameter of flexible plastic tubing at connection points. This prevents collapse or crimping when the tubing is utilized with mechanical fittings.

Vinyl Tubing is constructed from clear, anti-algae plastic material. Working pressure ratings are size-dependent, ranging from 85 PSI down to 55 PSI.

It is suitable for low-pressure applications in laboratory, agricultural, and industrial sectors. It offers verified resistance to mild chemicals, acids, and alkalis.

Nylon Tubing is specified for general-purpose industrial applications, including agriculture and food processing. Its Nylon construction offers resistance to chemicals, solvents, and bacteria.

It features good tensile strength, high abrasion resistance, and maintains physical properties across -40°F to 200°F (-40°C to 93°C). Working pressures range from 72 Psi to 333 Psi.

Metric Nylon Tubing is fabricated from natural Nylon (PA) with UV stabilizers for instrumentation and lubrication systems. It is rated from 65 Psi to 250 Psi and operates between -40°C to 100°C.

Nylon Air System Tubing is specifically manufactured to meet SAE J844 Type A and B standards and is DOT Approved. This tubing is utilized in air brake systems, rated from 150 PSI to 250 PSI.

Polyethylene Tubing is highly flexible, FDA approved, and conforms to ASTM standards. It is suited for low-pressure chemical and food-grade systems involving dilute acids, alkalis, and salt solutions.

Steel Tubing is a rigid material recommended for high-pressure hydraulic, air, steam, and solvent lines. It is noted for its high burst strength, rigidity, and relative ease of fabrication.

Copper Tubing is a seamless material used for general fluid and gas lines in MRO. It is valued for its inherent corrosion resistance and ease of fabrication.

Tubing Tools

The Ratchet-Cut Tube and Pipe Cutter is designed for quick, accurate cutting of copper, plastic, and thin-wall tubing in confined spaces. It handles sizes from 1/8 inch to 1 3/8 inch O.D.

Spring-Loaded Cutter Handles provide rapid, clean, single-handed cuts on copper, aluminum, and CPVC/PEX plastic tubing. This is achieved by maintaining constant wheel tension during the cut.

The Tubing Cutter features a robust aluminum die-cast body and wide rollers for precise tracking. It is engineered to cut metal tubing from 1/8 inch to 1 inch O.D.

The Economy Tubing Bender manually bends thin-wall tubing, including soft copper, aluminum, and steel, from 1/8 inch to 1/2 inch O.D. This tool is specified for necessary bending in HVAC applications.

Tapered Polyethylene Caps and Plugs are constructed from Polyethylene, a high-density, flexible material. This material offers high impact resistance and dimensional stability under load.

Their primary application is as protective closures in hydraulic, plumbing, and electrical connections. The tapered geometry provides versatility for use as a cap on male threads or a plug on female threads.

This design ensures a tight seal upon installation, allowing for both easy installation and removal during MRO.

Specific Closures for Threaded Standard Weight Pipe and Threaded External/Internal N.P.T. Fittings are designed to provide secure closure on standard pipe threads. Their core function is protecting these threaded openings from damage, contamination, and moisture during storage or transit.

O-RINGS – Hudson Valley MRO Reference

The Buna-N 70 durometer (Nitrile) elastomer is the most widely used compound in the sealing industry, valued for its resistance to petroleum-based hydraulic fluids, air, and water. MRO professionals in Bronx County, N.Y. depend on this material for consistent, general-purpose sealing across everyday service conditions.

The standard temperature range for continuous service is rigorously specified as -65°F to 250°F (-54°C to 121°C).

The Viton-75 Durometer (Fluorocarbon Rubber) is a high-performance material for demanding applications. It is rated for continuous service from -10°F to 400°F (-23°C to 204°C).

This compound is critical for sealing against strong acids, bases, hydrocarbons, and engine lubricants in high-heat environments. Ethylene Propylene (E.P.D.M.) Black is designed for chemical media resistance.

E.P.D.M. is suitable for skydrol, water, steam, ketones, and alcohol, with a temperature range of -65°F to 300°F (-54°C to 149°C). It is not recommended for petroleum-based fluids.

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Standard Cut O-Rings, available in Nitrile, Viton, and EPDM, are utilized for dynamic and static sealing in valves, cylinders, transmissions, and flanges.

Metric Buna-N 70 (Nitrile) O-Rings adhere to German Industrial Standard DIN 3880 for dimensional and tolerance requirements. They provide reliable metric sealing against petroleum-based fluids in industrial machinery.

Hydraulic Application Compliance

Hydraulic O-Rings are specifically sized for use with hydraulic tube fittings and are compatible with petroleum-based, silicone, and non-flammable fluids.

These seals conform to DOT 106, SAE J514, SAE J1453 (37° Flare & O-Ring Face Seal), and SAE J1454. The specified temperature range for these seals is -65°F to 200°F (-54°C to 93°C).

LUBRICATION FITTINGS – Hudson Valley MRO Reference

Grease fittings are precision-engineered components used across vehicular and industrial equipment. Their core function is to facilitate lubricant injection, providing full-flow lubrication without restriction.

All types incorporate a robust check valve to ensure extended performance and reliable seal retention after lubrication. They are manufactured to specific OEM specifications for fitment.

Hydraulic Fittings (Types 1, 2, and 3) are the standard designs specified for general lubrication across industrial and vehicular equipment.

Hydraulic Self-Tapping Fittings, available in Stainless Steel and dyed yellow for identification, are designed for installation into un-tapped lubrication holes.

These feature tapered drive threads that reshape the parent material to create a secure, leak-proof seal. They are rated for a high maximum pressure of 10,000 PSI.

Metric DIN 71412 Fittings adhere to the Metric DIN 71412 standard for lubrication applications requiring metric threads. These are common in European-sourced machinery.

Standard Button Head Fittings are large-head fittings specified for heavy-duty or large machinery. They require a greater contact area for coupling with high-volume grease couplers.

Steel Plugs are manufactured from steel for high-stress sealing applications in pressurized components. These include oil sumps, compressors, pumps, and transmissions.

Metric steel plugs conform to the DIN 906 standard and are used in specific applications, including Chrysler/Dodge Diesel transfer cases. Drive types include Hex Head Tapered and Hex Socket Tapered.

Pipe Plugs (Fractional Sizes) are constructed from either Steel for high-strength requirements or Brass for applications requiring increased corrosion resistance or non-sparking properties.

These plugs are used for permanently or temporarily sealing pipe threads in fluid and pneumatic systems. Available drive configurations include Hex Countersunk, Square Countersunk, and Square Head.