Pneumatic Cage Control valve Fluid:Gas,water,oil Size:DN25~400 PN:1.6-10MPa Material:Characteristics:Linear,Equal%,Quick Pneumatic Cage Control valve( Pneumatic Diaphragm Type) Size:DN25~500 1''-20''Material:SS304, SS316, etcFlow Characteristics:Linear,Equal-percentage,Quick open Materials NameMaterialBody &BonnetWCB,304,316Plug & Seat304,316,0304/316+PTFE,304/316+StellitePackingPTFE,flexible ...