... 1''-20'' Material: Cast Steel, Stainless Steel Or electric type Pneumatic Water Control ValveOr Electric TypeDN: 15mm - 500mmNPS: 1/2'' - 20 ... , WC9, 304(L), 316(L), Alloy, etcSignal: 4-20 mAAccessories: Positioner, Solenoid valve, Air set, Handwheel1 ---- Body2 ---- Cage3 ---- Plug4 ---- Stem5 ---- Bonnect6 ...