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Orifice Plate Assembly INTEGRATED ORIFICE

The Integrated Orifice can fulfil one or two main functions: The Differential Integrated Orifice is used as part of a flow control valve’s control circuit. Installed at upstream or downstream of the valve, it provides the differential pressure (∆P) to power the flow control pilot. The opening and closing of the pilot causes the flow control valve to throttle accordingly. The Low Pressure sensing port is located close to the orifice’s opening, sensing its downstream pressure before it recovers, thus helping to reduce total pressure loss across the flow control valve. The Backpressure Integrated Orifice is installed at the downstream of a control valve, helping to protect it from cavitation damage and to reduce its operational load by increasing the valve’s backpressure, as well as allowing a function of flow control when downstream pressure is constant. The orifice internal diameter is calculated and machined according to valve size and required flow limitation at the required differential pressure (∆P).

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