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Quick Connect Coupling

Hydraulic Check Valve

Pneumatic Couplings

Air Quick Coupling

The principle of hydraulic check valve [2010-11-08]

There are many types of hydraulic check valves, but all the work on the same principles. For example, an a ball valve placed at the opening of the pipe and the point of a spring. When water flows through the hydraulic quick coupling , pushing the ball, forcing the spring contracts and moves the ball away from the valve opening. When the water no longer flows through the valve, a relaxed, the spring and push the ball into the mouth of the valve to water flowing through the valve to prevent.

Valves and fittings share the hard work as well. Ball valves with a small hinged door that, when water flows and pops open when you will interrupt the flow. Split valve includes a disc of metal bent to the water to flow past, but jumps up to stop to the flow.