... Material:Characteristics:Linear,Equal%,Quick Pneumatic Cage Control valve( Pneumatic Diaphragm Type) Size:DN25~500 1''-20''Material:SS304, SS316, etcFlow ... pressure Mpa1.6,2.5,4.0,6.4Travel mm16254060100130Effective diaphragm area Ae(cm2)2803505609001400 Signal range Kpa20-100,40-200 ...