Listing ID #4147986
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Contact SupplierSelecting the proper hose for a hydraulic assembly is absolutely critical to ensure that the assembly is going to function properly and safely on the application. One of the first steps in selecting the proper hose is to determine the reinforcement that is needed. The reinforcement is the muscle of all hydraulic hoses; it determines the working pressure of the hose. It is either
1.) a braid or
2.) a spiral wrap and is made from natural fibers, synthetic materials or wire.
Some hoses have a reinforcement that is a combination of fiber and wire, or multiple layers of wire braids or spiral layers.
Very High/Extremely High-Pressure Hose:
Very-high and extremely-high pressure hoses perform best on applications that are subject to extreme high impulses (or pressure surges) such as off highway equipment and heavy-duty machinery. These hoses are reinforced with four or six layers of spiraled, high-tensile steel wire over a layer of yarn braid.
High-Pressure Hose:
Reinforced with two steel wire braids, these are often called “two-wire” braid hoses. You’ll find them in high-pressure applications, such as on construction equipment. They range in operating pressures from 6000 psi (3/16” ID) to 1825 psi (2” ID).
Medium-Pressure Hose:
Operating at pressures from 3000 psi to 300 psi, these hoses can have one-wire, multiple-wire and/or textile-braid construction.
Low-Pressure Hose:
You’ll find these hoses in applications with operating pressures under 300 psi. Typically they’re used to transmit petroleum-based fluids, lubricating oil, air, glycol anti-freeze and water. Gates GMV hose is also rated for suction applications.