DIN Hygienic Butterfly Valve Pneumatic Actuator Actuator Hygienic Butterfly Valve Hygienic Butterfly Valves Aluminium Actuator DIN Hygienic Butterfly Valve Weld End Hygienic 3PCS Weld Butterfly Valve Hygienic Butterfly Valve With Actuator Pneumatic Actuator Hygienic Butterfly Valve Hygienic Butterfly Valve Electric Actuator DIN Hygienic Threaded Butterfly Valve DIN Thread/weld Butterfly Valve