|Cut-off valves – safety valves
Safety ball valve for overpressure relief of boiler/superheater header – is installed in parallel with spring-loaded safety valve and it’s set pressure is lower than set pressure of spring-loaded safety valve for 1 bar , also safety ball valve can operate as cut-off valve.
Temperature up to +600 °С
Safety ball valves advanages:
|Cut-off valveCut-off valve constist of a ball valve and Butterfly valve and quick action pneumatic actuator. Operating time of this valve less than 1 second.
Connection type: flanged, interflanged, welded, socket.
Temperature from -40 °С to +250 °С