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Pressure Regulating Valve
A water pressure regulating valve limits inflow by dynamically changing the valve opening so that when less pressure is on the out side
Classification:
Cast iron valve
Key words:
valve
pressure
element
Message
Product Description
A water pressure regulating valve limits inflow by dynamically changing the valve opening so that when less pressure is on the out side, the valve opens up fully, and too much pressure on the out side causes the valve to shut. In a no pressure situation, where water could flow backwards, it won't be impeded.
A water pressure regulating valve does not function as a check valve.They are used in applications where the water pressure is too high at the end of the line to avoid damage to appliances or pipes.
OPERATION
A pressure regulator includes a restricting element, a loading element, and a measuring element:
The restricting element is a valve that can provide a variable restriction to the flow, such as a globe valve, butterfly valve, poppet valve, etc.
The loading element is a part that can apply the needed force to the restricting element. This loading can be provided by a weight, a spring, a piston actuator, or the diaphragm actuator in combination with a spring.
The measuring element functions to determine when the inlet flow is equal to the outlet flow. The diaphragm itself is often used as a measuring element; it can serve as a combined element.
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