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bermad valves, to reduce the opening speed and thus decrease or eliminate damaging water surge or water hammer. reduction of the main valve's opening speed is achieved by adjusting the oscd to restrict the rate of water flow exiting the main valve's control chamber controlling the rate at which the...
atmospheric tanks. the hydraulic opening command can be shared with that of a main deluge valve, enabling a simple and perfect opening synchronization of both valves. this assures an immediate foam solution supply to the system. the valve is "fail safe close" and designed with an "over the seat" flow...
an excellent modulating, line pressure driven, hydraulic control valve with the advantages of electronic control. the bermad series valves are hydraulic operated, diaphragm actuated, oblique pattern, globe valves with a seat assembly and double chambered unitized actuator that can be disassembled from...
an excellent modulating, line pressure driven, hydraulic control valve with the advantages of electronic control. the bermad series valves are hydraulic operated, piston actuated, oblique pattern, globe valves with a seat assembly and double chambered unitized actuator. the valve's hydrodynamic body...
the cover. its cover ring fastens valve cover tobody, stiffening and strengthening the valve body unitized flexible super travel (fst) diaphragm and guided plug assembly – smooth closing. – requires low actuation pressure. – prevents diaphragm erosion and distortion. flexible design – easy addition of...
the line pressure to reduce upstream pressure to lower constant downstream pressure, regardless of varying u pstream pressure. the valves hydrodynamic body is designed for unobstructed flow path and provides excellent and highly effective modulation capacity for high differential pressure applications...
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