... PN:1.6-10MPa Material:Characteristics:Linear,Equal%,Quick Pneumatic Cage Control valve( Pneumatic Diaphragm Type) Size:DN25~500 1''-20 ... the standard of JB/79.1(2)-94,HG20592-97,GB,ANSI,JIS,DIN etc.Body materialWCB,304,316,WC6,WC9 ... -off control typeWelcome to contact us to know more! Pneumatic Cage Control valve( Pneumatic Diaphragm Type)