Pneumatic Cage Control valve Fluid:Gas,water,oil Size:DN25~400 PN: ... 6-10MPa Material:Characteristics:Linear,Equal%,Quick Pneumatic Cage Control valve( Pneumatic Diaphragm Type) Size:DN25~500 1''-20'' ... ,316Plug & Seat304,316,0304/316+PTFE,304/316+StellitePackingPTFE,flexible graphiteBellows304GasketGraphite wound gasketsMembrane coverA3,304Bellow diaphragmWith Nylon fabric NBRSpring60Si2MnStem & ...