Hydraulic Couplings
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Gates®MegaCrimp™ Female Pipe (NPTF without 30° Cone Seat) Coupling with TuffCoat™ Xtreme™ PlatingMegaCrimp™ Female Pipe (NPTF without 30° Cone Seat) Coupling with TuffCoat™ Xtreme™ Plating by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and...High quality at an affordable priceExpertly made from premium materials$14.55 - $28.23 - Gates®MegaCrimp™ Female Quick-Lok™ High to Male O-Ring Boss Adapter CouplingMegaCrimp™ Female Quick-Lok™ High to Male O-Ring Boss Adapter Coupling by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind....High quality at an affordable priceExpertly made from premium materials$7.51 - $20.49
- Gates®MegaCrimp™ Male O-Ring Boss Adapterless Swivel 90° Bent Tube CouplingMegaCrimp™ Male O-Ring Boss Adapterless Swivel 90° Bent Tube Coupling by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...High quality at an affordable priceExpertly made from premium materials$49.30 - $110.82
- Gates®MegaCrimp™ Male O-Ring Boss Swivel 45° Bent Tube CouplingMegaCrimp™ Male O-Ring Boss Swivel 45° Bent Tube Coupling by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...High quality at an affordable priceExpertly made from premium materials$43.51 - $51.42
- Gates®MegaCrimp™ Male O-Ring Boss Swivel 45° Block CouplingMegaCrimp™ Male O-Ring Boss Swivel 45° Block Coupling by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$44.41 - $52.67
- Gates®MegaCrimp™ Male Pipe Long Nose CouplingMegaCrimp™ Male Pipe Long Nose Coupling by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$13.17 - $17.65
- Gates®MegaCrimp™ Male Quick-Lok™ High 45° Bent Tube CouplingMegaCrimp™ Male Quick-Lok™ High 45° Bent Tube Coupling by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...High quality at an affordable priceExpertly made from premium materials$32.08 - $80.23
- Gates®MegaCrimp™ Male Quick-Lok™ High 90° Bent Tube CouplingMegaCrimp™ Male Quick-Lok™ High 90° Bent Tube Coupling by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...High quality at an affordable priceExpertly made from premium materials$27.54 - $100.68
- Gates®MegaCrimp™ Male Quick-Lok™ High CouplingMegaCrimp™ Male Quick-Lok™ High Coupling by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$12.96 - $49.04
- Gates®MegaCrimp™ Metric Light Stand Pipe CouplingMegaCrimp™ Metric Light Stand Pipe Coupling by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$34.05 - $80.04
- Gates®Nylon Blue Air Brake TubingNylon Blue Air Brake Tubing by Gates®. Recommended For: Truck, bus, and mobile air brake, and service lines where heat and battery acids are not present. Conforms to SAE J844 specifications. Meets D.O.T. FMVSS 106-74. Tube: Heat and...High quality at an affordable priceExpertly made from premium materials$12.20 - $177.38
- Gates®Nylon Green Air Brake TubingNylon Green Air Brake Tubing by Gates®. Recommended For: Truck, bus, and mobile air brake, and service lines where heat and battery acids are not present. Conforms to SAE J844 specifications. Meets D.O.T. FMVSS 106-74. Tube: Heat and...High quality at an affordable priceExpertly made from premium materials$53.59 - $177.38
- Gates®Nylon Orange Air Brake TubingNylon Orange Air Brake Tubing by Gates®. Recommended For: Truck, bus, and mobile air brake, and service lines where heat and battery acids are not present. Conforms to SAE J844 specifications. Meets D.O.T. FMVSS 106-74. Tube: Heat and...High quality at an affordable priceExpertly made from premium materials$3.33 - $177.38
- Gates®Nylon Red Air Brake TubingNylon Red Air Brake Tubing by Gates®. Recommended For: Truck, bus, and mobile air brake, and service lines where heat and battery acids are not present. Conforms to SAE J844 specifications. Meets D.O.T. FMVSS 106-74. Tube: Heat and...High quality at an affordable priceExpertly made from premium materials$34.26 - $177.38
- Gates®PolarSeal II™ Female O-Ring Coupling (ACC) 45° Bent TubePolarSeal II™ Female O-Ring Coupling (ACC) 45° Bent Tube by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...High quality at an affordable priceExpertly made from premium materials$21.30 - $48.33
- Gates®PolarSeal II™ Female O-Ring Coupling (ACC) 90° Bent TubePolarSeal II™ Female O-Ring Coupling (ACC) 90° Bent Tube by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...High quality at an affordable priceExpertly made from premium materials$22.86 - $67.13
- Gates®PolarSeal II™ Female O-Ring Coupling (ACC) with R134 Service Port H 90° Bent TubePolarSeal II™ Female O-Ring Coupling (ACC) with R134 Service Port H 90° Bent Tube by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...High quality at an affordable priceExpertly made from premium materials$37.40 - $38.93
- Gates®PolarSeal II™ Female O-Ring Coupling (ACC) with Switch Port M 90° Bent TubePolarSeal II™ Female O-Ring Coupling (ACC) with Switch Port M 90° Bent Tube by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in...High quality at an affordable priceExpertly made from premium materials$41.09 - $46.04
- Gates®PolarSeal II™ Male O-Ring Coupling (ACC) 45° Bent TubePolarSeal II™ Male O-Ring Coupling (ACC) 45° Bent Tube by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$23.16 - $27.88
- Gates®PolarSeal II™ Metric Female O-Ring Coupling (ACC)PolarSeal II™ Metric Female O-Ring Coupling (ACC) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$24.81 - $29.70
- Gates®PolarSeal II™ Metric Female O-Ring Coupling (ACC) 90° Bent TubePolarSeal II™ Metric Female O-Ring Coupling (ACC) 90° Bent Tube by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...High quality at an affordable priceExpertly made from premium materials$20.82 - $28.43
- Gates®PolarSeal II™ Splicer Coupling (ACC)PolarSeal II™ Splicer Coupling (ACC) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...High quality at an affordable priceExpertly made from premium materials$19.58 - $22.56
- Gates®PolarSeal II™ Straight Female O-Ring Coupling (ACC) with Switch Port MPolarSeal II™ Straight Female O-Ring Coupling (ACC) with Switch Port M by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...High quality at an affordable priceExpertly made from premium materials$38.58 - $43.45
- Gates®PolarSeal II™ Straight Female O-Ring Coupling (ACC) with Switch Port PPolarSeal II™ Straight Female O-Ring Coupling (ACC) with Switch Port P by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...High quality at an affordable priceExpertly made from premium materials$36.20 - $42.11
- Gates®PolarSeal II™ Weld On Hose End Coupling (ACC)PolarSeal II™ Weld On Hose End Coupling (ACC) by Gates®. PolarSeal II ACC couplings are for use with Gates PolarSeal II, reduced nylon barrier air conditioning hose. Offered in many of the most popular styles of aluminum couplings...High quality at an affordable priceExpertly made from premium materials$13.94 - $21.56
- Gates®PolarSeal II™ Y-Splicer Coupling (ACC)PolarSeal II™ Y-Splicer Coupling (ACC) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$48.13 - $68.03
- Gates®PolarSeal™ Accumulator/Compressor Sealing WasherPolarSeal™ Accumulator/Compressor Sealing Washer by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$4.48 - $8.28
- Gates®PolarSeal™ Aluminum Female (Ford) Spring Lock Coupling (ACA)PolarSeal™ Aluminum Female (Ford) Spring Lock Coupling (ACA) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...High quality at an affordable priceExpertly made from premium materials$14.32 - $22.31
- Gates®PolarSeal™ Aluminum Female SAE Tube Dual O-Ring Nut 45° Bent Tube Coupling (ACA)PolarSeal™ Aluminum Female SAE Tube Dual O-Ring Nut 45° Bent Tube Coupling (ACA) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers...High quality at an affordable priceExpertly made from premium materials$27.27 - $28.43
- Gates®PolarSeal™ Aluminum Female SAE Tube O-Ring Metric Nut Swivel 45° Bent Tube Coupling (ACA)PolarSeal™ Aluminum Female SAE Tube O-Ring Metric Nut Swivel 45° Bent Tube Coupling (ACA) by Gates®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...High quality at an affordable priceExpertly made from premium materials$11.96 - $19.54
Couplings are the essential parts of any hydraulic system. They are used to connect hoses and pipes to the other elements of the system including reservoirs, cylinders, valves, and pumps. Designed according to strict requirements, couplings are available in many types and materials compatible with the fluid circulating in the system. It is vital, hence, to pick the most appropriate class of fittings to get smooth running, top performance, and safety. Common materials include brass, stainless steel, aluminum, plastic, and copper. For example, plastic couplings offer good resistance to corrosion, but they are unreliable in high-pressure systems.
The choice of hydraulic couplings depends on the pressure rating, chemical compatibility with the fluid, operating temperature, and sealing capacity. Crimp fittings, coupling barbs, compression fittings, and quick disconnect couplers are the most common types used in hydraulic systems. Typically, they are available in many sizes and shapes to fit various designs. In our online catalog, you can find a wide assortment of these and other couplings including inverted flares, mini-barbed tubes, and reusable models. We also offer a broad selection of adapters to ensure flexibility and efficiency. The costs are reasonable, and the quality is ensured by leading companies in the industry.
