Pneumatic Actuator,valve actuator, actuator Standard: DIN/SMS/3A/ISO/IDF Size: DN25-DN200 Material: AISI304/316L Pneumatic Actuator,valve actuator, actuatorMaterial of valve: AISI304, AISI304L, AISI306, AISI316L Standard of valve: DIN ... two air flues separately. Medium: Beer, Dairy, Beverage, Pharmacy. Sanitary Butterfly Valve with Aluminium Pneumatic Actuator