Crispin Valves If demand for flow stops, the differential pressure relief valve will automatiy open and discharge water to maintain the zone at a pressure of 2 PSI lower than the inlet pressure. A leading manufacturer of Air, Check, Butterfly, Plug, and Gate Valves, Crispin has been family owned and operated since 1905.
Colt Series - Featured Series - Ames Fire & Waterworks After the pressure differential is reestablished, the differential pressure relief valve will automatiy close. C400/C500 - In normal flowing operation the independent check valves will be open and the pressure differential relief valve located between the two check.
FLEX CHECK VALVE OPERATION & MAINTENANCE MANUAL. In a nonflow or backflow condition, both checks will close until the resumption of normal flow. FLEX CHECK VALVE. OPERATION & MAINTENANCE. MANUAL. SERIES 851. Milliken Valve Company. 2625 Brodhead Avenue, Suite 100. Betehem, PA.
Anderson Greenwood Safety and Relief Valves, Series 200/400/500. C400/C500 - In normal flowing operation the independent check valves will be open and the pressure differential relief valve located between the two check valves, the area ed the zone, will automatiy open and close to maintain the zone pressure at least 2 PSI lower than the inlet pressure. INSTALLATION AND MAINTENANCE INSTRUCTIONS. The Anderson Greenwood Series 800 valve is. exhaust backflow check valve from the pilot exhaust.
Colorflow and Ball Valves - PH Truck Double Check Valve Assemblies are used to prevent backflow of pollutants that are objectionable, but not toxic. Industrial Flow Control, Check, Gauge Control. which is 35 Bar 500 PSI. pressure. Operation. Series PCK valves are factory-set for a specified flow.
Check valve manual series 500:
Rating: 92 / 100
Overall: 95 Rates