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Match hydraulic system components to ensure leak-free service life.

Gates Corporation engineers recommend against making a hydraulic assembly with a hose and couplings from different manufacturers.

Here’s why.

Although most American-made hydraulic hoses, and many imported hoses, are built to confirm to SAE (Society of Automotive Engineers) specifications, the SAE allows a whole range of materials to be used.

Hoses from various manufacturers may have comparable dimensions and constructions (SAE), but different rubber compounds and tolerance dimensions (non-SAE).

Summarily, each manufacturer designs a coupling to properly fit its own hose manufacturing tolerances. Also, the proliferation of thread ends from around the world in recent years has dramatically increased the possibility of mismatching threads and seats on various couplings.

An improperly coupled hose will likely fail (blow off; leakage) causing downtime and possible personal injury.

Finally, it's important to: 1) use the crimping equipment of the hose/coupling manufacturer; and 2) always follow the crimp and assembly recommendations of the hose/coupling manufacturer.

Each component of a Gates hydraulic system -- application-specific hoses, a full range of couplings and versatile crimpers -- is designed to work together to give you a proven, reliable and safe product.

Contact your authorized Gates hydraulic distributor or go to www.gates.com/fluidpower