Filterclose-icon
Brand open-filters-icon close-filters-icon
Brand
Category open-filters-icon close-filters-icon
Category
Manufacturer open-filters-icon close-filters-icon
Manufacturer
Product Type open-filters-icon close-filters-icon
Product Type
Material open-filters-icon close-filters-icon
Material
Series open-filters-icon close-filters-icon
Series
Maximum Operating Temperature open-filters-icon close-filters-icon
Maximum Operating Temperature
Standards/Approvals open-filters-icon close-filters-icon
Standards/Approvals
Maximum Operating Pressure open-filters-icon close-filters-icon
Maximum Operating Pressure
Minimum Operating Temperature open-filters-icon close-filters-icon
Minimum Operating Temperature
Finish open-filters-icon close-filters-icon
Finish
Tube Connection Type open-filters-icon close-filters-icon
Tube Connection Type
Tube Connection Size open-filters-icon close-filters-icon
Tube Connection Size
Connection Size A open-filters-icon close-filters-icon
Connection Size A
Connection Thread Size open-filters-icon close-filters-icon
Connection Thread Size
Connection Thread Standard open-filters-icon close-filters-icon
Connection Thread Standard
Connection Gender open-filters-icon close-filters-icon
Connection Gender
Sub Type open-filters-icon close-filters-icon
Sub Type
Thread Size open-filters-icon close-filters-icon
Thread Size
Connection Type B open-filters-icon close-filters-icon
Connection Type B
Connection Size B open-filters-icon close-filters-icon
Connection Size B
Food Grade open-filters-icon close-filters-icon
Food Grade
Connection Type A open-filters-icon close-filters-icon
Connection Type A
Thread Standard open-filters-icon close-filters-icon
Thread Standard
Chemical Resistant open-filters-icon close-filters-icon
Chemical Resistant
Thread Gender open-filters-icon close-filters-icon
Thread Gender
Colour open-filters-icon close-filters-icon
Colour
Length open-filters-icon close-filters-icon
Length
Outside Diameter open-filters-icon close-filters-icon
Outside Diameter
Manufacturer Series open-filters-icon close-filters-icon
Manufacturer Series
Type open-filters-icon close-filters-icon
Type
Inlet Port Type open-filters-icon close-filters-icon
Inlet Port Type
Application open-filters-icon close-filters-icon
Application
Inside Diameter open-filters-icon close-filters-icon
Inside Diameter
Threaded Inlet Port open-filters-icon close-filters-icon
Threaded Inlet Port
Number of Tubes open-filters-icon close-filters-icon
Number of Tubes
Tube Outlet Port open-filters-icon close-filters-icon
Tube Outlet Port
Hose Barb Connection open-filters-icon close-filters-icon
Hose Barb Connection
Model Number p open-filters-icon close-filters-icon
Model Number p
Model Number open-filters-icon close-filters-icon
Model Number
Resistance Features open-filters-icon close-filters-icon
Resistance Features
Tube Inlet Port open-filters-icon close-filters-icon
Tube Inlet Port
Angle open-filters-icon close-filters-icon
Angle
Connection Type open-filters-icon close-filters-icon
Connection Type
Overall Length open-filters-icon close-filters-icon
Overall Length
Inlet Connection Size open-filters-icon close-filters-icon
Inlet Connection Size
Outlet Connection Size open-filters-icon close-filters-icon
Outlet Connection Size
Outlet Thread Standard open-filters-icon close-filters-icon
Outlet Thread Standard
Maximum Outlet Pressure open-filters-icon close-filters-icon
Maximum Outlet Pressure
Select quantity close-icon
Enerpac 900mm PU Hydraulic Hose Assembly, 700bar Max Pressure

Enerpac 900mm PU Hydraulic Hose Assembly, 700bar Max Pressure

RS Stock No. 283-1395

Brand Enerpac

  • Connector A - Angle: Straight
  • Overall Length: 900mm
  • Section: Pneumatics & Hydraulics

AED 940.82

in stock now

View more
Select quantity close-icon
Enerpac 3000mm PU Hydraulic Hose Assembly, 700bar Max Pressure

Enerpac 3000mm PU Hydraulic Hose Assembly, 700bar Max Pressure

RS Stock No. 283-1418

Brand Enerpac

  • Connector A - Angle: Straight
  • Connector A - Gender: Male
  • Cover Material: PU

AED 1.260.12

in stock now

View more
Select quantity close-icon
RS PRO 2000 mm Polyurethane Hydraulic Hose Assembly, 700 bar Max Pressure

RS PRO 2000 mm Polyurethane Hydraulic Hose Assembly, 700 bar Max Pressure

RS Stock No. 029-1727

Brand RS Pro

  • Connection Gender A: Male
  • Connection Size A: 3/8 in NPT Male
  • Overall Length: 2000mm

AED 746.17

in stock now

View more
Select quantity close-icon
Sferaco Hydraulic Straight Threaded Fitting Brass

Sferaco Hydraulic Straight Threaded Fitting Brass

RS Stock No. 063-9365

Brand Sferaco

  • Material: Brass
  • Product Type: Hydraulic Straight Threaded Fitting
  • Super Section: Hose Pipe & Fittings

AED 31.18

in stock now

View more
Select quantity close-icon
Norgren Fluid System Connector BSP Brass Plug Fitting

Norgren Fluid System Connector BSP Brass Plug Fitting

RS Stock No. 218-0081

Brand Norgren

  • Material: Brass
  • Standards/Approvals: RoHS
  • Super Section: Pneumatic Connectors, Fittings & Hose

AED 53.82

in stock now

View more
Select quantity close-icon
Norgren Fluid System Connector BSP Brass Plug Fitting

Norgren Fluid System Connector BSP Brass Plug Fitting

RS Stock No. 218-0082

Brand Norgren

  • For Use With: Fluid System Connector
  • Section: Pneumatics & Hydraulics
  • Series: 15

AED 68.59

in stock now

View more
Select quantity close-icon
Norgren Fluid System Connector BSP Brass Plug Fitting

Norgren Fluid System Connector BSP Brass Plug Fitting

RS Stock No. 218-0083

Brand Norgren

  • Standards/Approvals: RoHS
  • Super Section: Pneumatic Connectors, Fittings & Hose
  • Thread Standard: BSP

AED 79.88

in stock now

View more
Select quantity close-icon
CEJN Zinc Plated Steel Hydraulic Quick Connect Coupling Male ISO

CEJN Zinc Plated Steel Hydraulic Quick Connect Coupling Male ISO

RS Stock No. 058-9315

Brand CEJN

  • Product Type: Hydraulic Quick Connect Coupling
  • Section: Pneumatics & Hydraulics
  • Standards/Approvals: ISO

AED 515.91

in stock now

View more
Select quantity close-icon
Norgren Fluid System Connector BSP Nickel Plated Brass Plug Fitting

Norgren Fluid System Connector BSP Nickel Plated Brass Plug Fitting

RS Stock No. 218-0107

Brand Norgren

  • Series: 16005
  • Super Section: Pneumatic Connectors, Fittings & Hose
  • Thread Standard: BSP

AED 52.97

in stock now

View more
Select quantity close-icon
Norgren Fluid System Connector BSP Nickel Plated Brass Plug Fitting

Norgren Fluid System Connector BSP Nickel Plated Brass Plug Fitting

RS Stock No. 218-0109

Brand Norgren

  • For Use With: Fluid System Connector
  • Section: Pneumatics & Hydraulics
  • Series: 16005

AED 89.04

in stock now

View more
Select quantity close-icon
Norgren Fluid System Connector BSP Nickel Plated Brass Plug Fitting

Norgren Fluid System Connector BSP Nickel Plated Brass Plug Fitting

RS Stock No. 218-0105

Brand Norgren

  • For Use With: Fluid System Connector
  • Material: Nickel Plated Brass
  • Thread Standard: BSP

AED 41.85

in stock now

View more
Select quantity close-icon
Norgren Fluid System Connector BSP Nickel Plated Brass Plug Fitting

Norgren Fluid System Connector BSP Nickel Plated Brass Plug Fitting

RS Stock No. 220-3321

Brand Norgren

  • Material: Nickel Plated Brass
  • Standards/Approvals: RoHS
  • Thread Standard: BSP

AED 277.45

in stock now

View more
Select quantity close-icon
RS PRO Aluminium, Stainless Steel, Polypropylene Pneumatic Quick Connect Coupling hose Connector Male, Female BSP

RS PRO Aluminium, Stainless Steel, Polypropylene Pneumatic Quick Connect Coupling hose Connector Male, Female BSP

RS Stock No. 233-3352

Brand RS Pro

  • Maximum Operating Pressure: 17.2 bar
  • Thread Gender: Male, Female
  • Thread Standard: BSP

AED 159.65

in stock now

View more
Select quantity close-icon
Staubli ? Fluid Connectors Staubli – Fluid Connectors, Polyurethane Recoil Hose, 40 °C, -15 °C

Staubli ? Fluid Connectors Staubli – Fluid Connectors, Polyurethane Recoil Hose, 40 °C, -15 °C

RS Stock No. 185-6342

Brand Staubli ? Fluid Connectors

  • Category: Recoil Hoses
  • Connection Gender A: Female
  • Tube Outside Diameter: 6.5mm

AED 8.976.20

in stock now

View more
Select quantity close-icon
RS PRO Brass Pneumatic Silencer 150 bar Threaded and Hose Connector

RS PRO Brass Pneumatic Silencer 150 bar Threaded and Hose Connector

RS Stock No. 176-2297

Brand RS Pro

  • Connection Size: M5 to 1 in
  • Maximum Operating Temperature: 150°C
  • Section: Pneumatics & Hydraulics

AED 983.62

in stock now

View more
Select quantity close-icon
RS PRO Brass Pneumatic Silencer 150 bar Threaded and Hose Connector

RS PRO Brass Pneumatic Silencer 150 bar Threaded and Hose Connector

RS Stock No. 176-2296

Brand RS Pro

  • Category Link: https://ae.rsdelivers.com/browse/mechanical-fluid-power-tools/pneumatics-hydraulics/pneumatic-connectors-fittings-hose/pneumatic-silencers
  • Material: Brass
  • Thread Gender: Male/Female

AED 521.30

in stock now

View more
Select quantity close-icon
RS PRO Polyethylene Pneumatic Silencer 150 bar Threaded and Hose Connector

RS PRO Polyethylene Pneumatic Silencer 150 bar Threaded and Hose Connector

RS Stock No. 176-2293

Brand RS Pro

  • Connection Size: M5 to 1 in
  • Material: Polyethylene
  • Super Section: Pneumatic Connectors, Fittings & Hose

AED 807.80

in stock now

View more
Select quantity close-icon
RS PRO Brass Pneumatic Silencer 150 bar Threaded and Hose Connector

RS PRO Brass Pneumatic Silencer 150 bar Threaded and Hose Connector

RS Stock No. 176-2294

Brand RS Pro

  • Maximum Operating Pressure: 150 bar
  • Standards/Approvals: ISO R/262, ISO 228 Classe A, DIN 2, BS 21, 2011/65/CE, PED 2014/68/UE, OT UNI EN 12164/5 CW 614/7N, ANSI B1.20.5, 1907/2006, ISO 7.1
  • Super Section: Pneumatic Connectors, Fittings & Hose

AED 213.46

in stock now

View more
Select quantity close-icon
RS PRO Brass Pneumatic Silencer 150 bar Threaded and Hose Connector

RS PRO Brass Pneumatic Silencer 150 bar Threaded and Hose Connector

RS Stock No. 176-2295

Brand RS Pro

  • Product Type: Pneumatic Silencer
  • Super Section: Pneumatic Connectors, Fittings & Hose
  • Thread Gender: Male/Female

AED 274.70

in stock now

View more
Select quantity close-icon
SMC LQ1T Series, LQ1T3A Hose

SMC LQ1T Series, LQ1T3A Hose

RS Stock No. 036-6019

Brand SMC

  • Connection Size B: 3/8 in
  • Maximum Operating Temperature: 200°C
  • Minimum Operating Temperature: 0°C

AED 293.74

in stock now

View more
Select quantity close-icon
SMC LQ1T Series, LQ1T4A Hose

SMC LQ1T Series, LQ1T4A Hose

RS Stock No. 036-6020

Brand SMC

  • Connection Size B: 1/2 in
  • Connection Type A: Hose
  • Super Section: Pneumatic Connectors, Fittings & Hose

AED 370.42

in stock now

View more
Select quantity close-icon
Staubli ? Fluid Connectors Staubli – Fluid Connectors, Polyurethane Recoil Hose, 40 °C, -15 °C

Staubli ? Fluid Connectors Staubli – Fluid Connectors, Polyurethane Recoil Hose, 40 °C, -15 °C

RS Stock No. 185-6341

Brand Staubli ? Fluid Connectors

  • Connection Standard B: NPT
  • Connection Type A: Threaded
  • Tube Inside Diameter: 6mm

AED 4.654.49

in stock now

View more
Select quantity close-icon
Norgren QS Push-in Fittings Plastic Plug Fitting

Norgren QS Push-in Fittings Plastic Plug Fitting

RS Stock No. 212-9130

Brand Norgren

  • Category: Pneumatic Fitting Accessories
  • For Use With: QS Push-in Fittings
  • Material: Plastic

AED 205.71

in stock now

View more
Select quantity close-icon
Norgren QS Push-in Fittings Plastic Plug Fitting

Norgren QS Push-in Fittings Plastic Plug Fitting

RS Stock No. 212-9135

Brand Norgren

  • For Use With: QS Push-in Fittings
  • Product Type: Plug Fitting
  • Series: Pneufit C

AED 265.48

in stock now

View more

...

What is a hydraulic hose connector fitting?

A hydraulic hose connector fitting, also known as a hydraulic hose fitting, hose connector, or hose coupling, is a precision component used to join hydraulic hoses to pumps, cylinders, valves, or other hoses. Its primary purpose is to create a reliable seal and a leak-free path for pressurized fluids. These fittings come in male and female configurations and are engineered to withstand high pressures, various temperatures, and aggressive hydraulic fluids. They are essential in industries like construction, agriculture, mining, manufacturing, and automotive hydraulics. Common materials include stainless steel, brass, carbon steel, and aluminum, chosen for corrosion resistance, strength, and compatibility with specific hydraulic fluids. When shopping for hydraulic hose connectors fittings, you’ll encounter terms like JIC, ORB, NPT, SAE 37° flare, BSP, and crimp or barb styles, all serving to connect hoses to components with the right seal and engagement type.

What are the main types of hydraulic hose fittings?

Hydraulic hose fittings fall into several broad families, each designed for different connection methods and fluid systems. Key types include:
  • JIC (30°-cone) fittings for reliable seal with steel or brass body, common in high-pressure fluid lines.
  • ORB (O-Ring Boss) and O-ring fittings for quick sealing with excellent leak resistance.
  • NPT (National Pipe Tression) and BSP thread fittings for threaded connections in hydraulic circuits.
  • SAE 37° flare fittings and 36°/45° flare for automotive and industrial hydraulics, offering robust sealing under pressure.
  • Crimp fittings and compression fittings that use ferrules or sleeves crimped onto the hose for a tight connection.
  • Swivel fittings that allow rotation at the joint to reduce tube twist and wear.
  • Barb and push-to-connect fittings for certain low-pressure or auxiliary lines in hydraulic systems.
  • Tube fittings and couplings designed to connect rigid tubing to hoses or other fittings.

How do I choose the right hydraulic hose connector for my application?

Choosing the correct hydraulic hose connector involves aligning several factors to the specific system. Consider:
  • Thread type and size (NPT, BSP, SAE) to match the mating component.
  • Pressure rating and the system’s maximum operating pressure to prevent leaks or failure.
  • Fluid compatibility with petroleum-based oils, synthetic fluids, water-glycol blends, or aggressive solvents.
  • Hose ID and crimp style (crimp vs. barb vs. push-to-connect) that suits the hose construction.
  • Material choice (stainless steel for corrosion resistance, brass for cost efficiency, aluminum for lightweight applications).
  • Temperature range to ensure seals, materials, and lubricants remain effective.
  • Sealing method (O-ring, gasket, or metal-to-metal seal) appropriate for the application and fluids.
  • Vibration and dynamic movement considerations where swivel fittings or flexible couplings mitigate wear.

What materials are hydraulic hose fittings typically made from and why?

Fittings come in a few common materials, each with trade-offs:
  • Stainless steel for excellent corrosion resistance, high strength, and suitability for harsh or outdoor environments and aggressive fluids.
  • Brass for good corrosion resistance, machinability, and cost efficiency in many general-purpose hydraulic systems.
  • Carbon steel for strength and durability in heavy-duty industrial settings, often plated to resist corrosion.
  • Aluminum for lightweight systems where reduced weight is beneficial, though it may have lower strength than steel.
The choice depends on the operating environment, fluid compatibility, required torque, and the system’s pressure and temperature demands.

How do I install or assemble hydraulic hose fittings safely and correctly?

Proper installation is critical to prevent leaks, failures, and safety hazards. Follow these best practices:
  • Ensure the hose length, ID, and ends match the fitting type and system requirements.
  • Thoroughly clean all components before assembly to remove contaminants that can damage seals.
  • Inspect hoses for cracks, wear, or damage; replace if compromised.
  • Use the correct crimping tool and dies for crimp fittings, or the proper ferrules for compression styles, following the manufacturer’s torque and crimp specifications.
  • Apply compatible thread sealants or lubricants only when recommended; some hydraulic connections rely on metal-to-metal seals or O-rings rather than sealants.
  • Do not reuse old ferrules, seals, or damaged fittings; replace with new parts for a reliable seal.
  • Torque fittings to the specification to avoid over-tightening (which can damage threads or seals) or under-tightening (leading to leaks).
  • Perform a controlled pressure test after assembly, checking for leaks at all connections and movement points.
  • Use PPE and follow lockout/tagout procedures; ensure the system is depressurized before service.

What standards and certifications apply to hydraulic hose fittings?

Hydraulic fittings are governed by a range of international standards to ensure interchangeability, safety, and performance. Common references include:
  • series for metallic hose fittings and their connections, including performance requirements and dimensions.
  • DIN 2353 for hydraulic tube fittings and tube connections in Europe, ensuring compatibility with metric tubing systems.
  • SAE standards such as SAE J514 (hydraulic hose fittings), SAE J517 (hydraulic hose assemblies), and SAE J1453 (crimping and performance criteria) used widely in North America.
  • ISO/DIN for quick-connects and hydraulic couplings, covering interchangeability and sealing performance.
  • Quality management and compliance with broader certifications like ISO 9001, RoHS, and REACH where applicable to materials and manufacturing practices.

What are common failure modes of hydraulic hose fittings and how can they be prevented?

Understanding common failure modes helps prevent downtime and leaks:
  • Leakage at threads or seals due to improper torque, mismatched threads, or damaged seals. Prevention: verify thread compatibility, use correct sealants if approved, torque to spec, and replace damaged components.
  • Corrosion from incompatible fluids or corrosive environments. Prevention: select corrosion-resistant materials (stainless steel, plated steel) and ensure fluid compatibility.
  • Crimp or ferrule failure from improper tooling or over/under-crimping. Prevention: use approved crimp tools, dies, and verify with inspection gauges or pull tests.
  • Fluid contamination causing seal wear or blockage. Prevention: maintain cleanliness in storage and assembly, use filter elements and proper storage practices.
  • Leakage due to vibration or movement. Prevention: incorporate swivel fittings, flexible hoses in dynamic zones, and secure routing to minimize stress.
  • Wrong material or size for the application. Prevention: consult charts and product datasheets to ensure correct hose ID, thread size, and material compatibility.

How do swivel fittings differ from fixed fittings in hydraulic systems?

Swivel fittings are designed to rotate at the connection to accommodate hose movement, reduce torsion, and extend hose life in dynamic applications. They are especially useful where hoses bend frequently or move with actuators. Fixed fittings, in contrast, do not rotate and are typically used in rigid or stationary configurations where alignment is constant. When selecting, consider system motion, pressure, temperature, and the type of seal to ensure reliable performance and minimal wear over time.
  • Swivel fittings reduce vibration and twisting in long hose runs.
  • Fixed fittings provide predictable alignment and are often simpler and more economical.
  • In hybrid systems, a combination of swivel and fixed fittings can optimize reliability and service life.