Product/Service

Capital Controls® Series 71P11A Gas Pressure Reducing Valve

Source: De Nora

Series71P11A

The Series 71P11A Gas Pressure Reducing and Shutoff Valve is a diaphragm-type gas pressure regulating valve designed for use on chlorine, sulfur dioxide and ammonia gas service. The valve is used in a gas dispensing system to prevent liquefaction of the gas by providing a controlled pressure drop in the piping system. Downstream pressure is regulated to a reduced value by adjustment of the control setting. If the downstream pressure exceeds the pressure at which the valve is set, gas flow will be shut off.

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All models are constructed with materials resistant to corrosion from the gases being controlled. The valve body is constructed of ASTM A105 forged steel to meet the recommendations of The Chlorine Institute for Class IV piping. Valves use a selfcentering ball stem with a soft TFE seat for positive shut-off. The control setting for the manual and electric valves are made by adjustment of a mechanical adjustment screw that applies spring tension to the loading diaphragm.

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