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Check Valve [2010-11-25]

A check valve, check valve or check valve is a mechanical device, a valve that normally allows fluid flowing through in one direction.
check valve
The valves are two-way valves, ie they have two openings in the body to give the liquid and the other to allow for the liquid. There are different types of control valves used in a variety of applications. valves are often part of common household items. Even if they are available in a variety of sizes and costs, the valves are generally very small, simple, and / or cost. Valves operate automatically and are not generally controlled by a person or an external program, therefore, most do not handle or stem. Bodies valve check most are plastic or metal.

An important concept in the valves, the opening pressure that meets the current minimum pressure at which the valve is working. Normally, the valve has been designed and therefore require a certain opening pressure.

Heart valves are essentially, and check out the heart chambers, the ventricles Act like a bomb.