Electric Pressure Sustaining Plastic Control Valve 3-W Plastic Pilot
The RAF-P 8R31 is a Normally Closed (N.C.) pressure sustaining valve.
The RAF-P 8R31 is an electric On/Off valve, controlled by a 3-W plastic solenoid valve. When the solenoid is energized and the pressure exceeds a minimum preset pressure, the valve will gradually open and sustains an upstream pressure regardless of flow changes. The 3-W plastic pilot can be preset to a desirable minimum upstream pressure.
The 3-W plastic pilot and plastic solenoid together with Raphael's patented diaphragm enables smooth and precise control.
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