I have inquire in the plant that work on it they have solenoid valve with the control valve the solenoid location in the instrument air line and the 24 V dc is coming from the CSLS DO charm the and normal action in 0 close the Solenoid and no air inside the actuator ,and 24 Vdc mean the solenoid is open an allow to air to enter inside the actuator , the question is is there type of Solenoid work opposite I mean in 0 vdc open and in 24V dc close
when you ordering : like bifold solenoid valve BXS-04-04-E1-52-XX-00-V-77A-24D-18 Solenoid Valve, 316 Stainless Steel, 1/4 NPT Ports, 5 Way 2 Position, Pilot Operated, Indirect Acting, Spring Return, Ex d, 24VDC, Auto Reset Internal Pilot, M20 x 1.5 Cable Entry, Cv 0.73. FP01/S1/M/22/NC/S/77A-24D/30/[M221] Solenoid Valve, 316 Stainless Steel, 2 Way 2 Position, Direct Acting, Normally Closed, Nitrile, Ex d, 24VDC, 3.0W, Auto Reset, M20 x 1.5 Cable Entry. so yes.
In reply to Marlen Osmanov: