Series VXD Construction OUT (P2) IN (P1) OUT(P2) IN(P1) IN(P1) IN(P1) OUT(P2) IN(P1) OUT(P2) IN(P1) IN(P1) VXD24 VXD25, 26 VXD27, 28, 29 VXD23 Normally Closed (N.C.) q w e r B t y u i o !1 !0 !2 q w e r t w e r u q i o o !0 !1 !1 !2 w q e r t y u i !0 !2 Operation When coil !2 is energized, armature assembly !1 is attracted by core i and pilot valve A is opened. When A is opened, the pressure in pressure chamber B is reduced and main valve C is opened. When coil !2 is de-energized, pilot valve A is closed, pressure in pressure chamber B increases, and main valve C is closed. A C B A C A B C A B C Component Parts No. Description Body Bonnet Diaphragm assembly Spring O-ring Buffer Stopper Core Tube Spring Armature assembly Solenoid coil Model Material C37, Stainless steel, Aluminum, Resin (PBT) C37, Stainless steel CAC407 Stainless steel C37, Stainless steel CAC407 Stainless steel, NBR, FKM, EPDM Stainless steel NBR, FKM, EPDM PPS NBR, FKM, EPDM Fe Stainless steel Stainless steel Stainless steel, NBR, FKM, EPDM, Resin (PPS) Cu + Fe + Resin VXD23 VXD24 to 26 VXD27 to 29 VXD23, 24 VXD25, 26 VXD27 to 29 VXD23 to 29 VXD23 to 29 VXD23 to 26 VXD23, 24 VXD23 to 29 1 2 3 4 5 6 7 8 9 10 11 12 i o !1 !0 !2 u 122