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Interior Design Fittings and Fixtures - Plumbing

Water Pressure

There are three basic definitions of water pressure that we should be aware of.

General Water Pressure - is the force in the water reticulation system of the building created by either gravity or by pumps.

Static Pressure - is the force generated by a no flow condition (i.e. just the pressure of the water in the pipes, not when it is flowing).

Flow Pressure - is the residual pressure or force within the line when the water is flowing.

Water Hammer
This is the noise that you hear when the water flowing in a system is very suddenly stopped. It often sounds louder because of loose or poorly installed pipework.

Solenoid valves, these are valves that may be in dishwashers or clothes washing machines, that are instant in the opening and shutting of the valve, are prime causes of water hammer.

The problem can be fixed by installing a water Hammer Arrestor valve.