Beer Valve------Pneumatic Diaphragm Valve,Actuator Diaphragm Valve SS304,SS316 DN15-51,1/2"-2" DIN,SMS,ISO,IDF,RJT,3A Beer Valve------Pneumatic Diaphragm Valve,Actuator Diaphragm ValveMaterial:SS304,SS316Specification:DN15-51,1/2"-2" If you are interested in,pls do not hesitate to contact us. Beer Valve------Pneumatic Diaphragm Valve,Actuator Diaphragm Valve