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The HDM worm gear manual doubleturn actuator with reduction gearbox allows the required positioning of the shut-off valve to be set manually by a quarter turn
Technical characteristics of quarter-turn actuators Elephant QT-EX-xEM-O2 220V:
Sketch Butterfly valves WBV3432N-2W-Fb-H
Operating principle: electric actuators are mounted directly on pipeline valves
75 20 140 20 55 75 105 14 2 4-14 2
17s28nzh vr2130m f Knife Gate Valve The HDM worm gear manualSpring safety valves are designed to discharge the working medium into the atmosphere or into the outlet pipeline when the set pressure of the working medium in the inlet pipeline is exceeded. These valves belong to direct acting safety valves. The direction of medium flow is under the spool. Exceeding the setting pressure causes compression of the valve spring and opening of the spool with medium discharge through the outlet pipe. Technical
