These contacts are normally closed (NC) or normally open (NO). The normal position of these contacts occurs when there is no pressure applied or measured from the AFS. Once pressure is applied or measured, then the NO contacts will close and the NC contacts will open. ... Differential pressure switch (DPS) Differential flow switch (DFS ...
6 GTV Series High Pressure Control Valves GTV Series 1½", 2" & 3" Poppet Valve Servo-solenoid operated, spring-return: Flanged Connections Model shown is 2" flanged, 2/2 Normally Closed, with QEV and open/closed proximity switches. 242.0 ¼"NPT Exhaust ¼"NPT Inlet 30 31 M20 x 1.5 cable entry (proximity switch) 4 - M8 Mounting holes 8.5 Ø 216 ...