Function Type A3 - Stroke adjuster with mounting face for size 03 pilot valve
Stroke limiters are available with an ISO 4401, size 03 (ANSI/ B93.7M-D03) interface for mounting a single-solenoid controlled DG4V-3(S) pilot valve. These type A3 covers are supplied configured for a “normally open” function, i.e. the insert poppet is vented when the solenoid of the pilot valve is de-energized (with pilot pressure applied to port X).
The opposite, “normally closed” (NC) function, can be obtained by interchanging the orifice and plug in ports AP1/AP2. With this arrangement, the insert poppet is “normally closed” (NC) and is open when the solenoid of the pilot valve is energized (with pilot pressure applied to port X).