... 200,1/2"-8" *Standards:3A/SMS/DIN/ISO/IDF Stainless Steel Pneumatic Actuator* Working principle: Remote-controlled operation by the ... : Normally closed, normally opened and opened and closed by two air flues separately* Application: Pharmacy, beer, food, dairy, beverage, cosmetic, ... .drawings (for customized design).6. Polish requirements( surface accuracy) Stainless Steel Valve Air Pneumatic Actuator