ZMPQ Pneumatic piston shut-off valve

ZMPQ Pneumatic piston shut-off valve is composed of cutting mechanism and pneumatic piston acutator, The DN20 valve core is single-oriented, DN25-200 valve core is double-oriented, with the features of simple structure, easy operation, reliable use, fast closing and so on. Mainly used in liquid and air medium without impurities or particles, which requires fast tightly closing, fast relief in the automatic control system.

Main material :
Body and bonnet : WCB(ZG230-450)、ZG1Cr18Ni9Ti、ZG0Cr18Ni12Mo2Ti CF8 CF8M
Valve core : 1Cr18Ni9, 0Cr18Ni12Mo2Ti, CF8, CF8M
Packing : PTFE, Flexible graphite,
Push rod and bushing : 2Cr13
Gasket : Rubber board, 1Cr18Ni9Ti, Graphite wound gasket
Flange size : JB78-59、JB79-59 standard
Flange avaiable : JB/79.1-94、JB、ANSI、JIS、DIN Standard
Valve size : DN20-DN200
Normal pressure : PN6, 16, 40, 64,
ANSI 150LB, 300LB,
Service medium: Water, oil, gas, steam, corrosive fluids, syrup, etc.