ZJHS angular pneumatic diaphragm valve main parts and materials
Body, bonnet: HT200, ZG230-450, ZG1Cr18Ni9Ti
Valve, valve seat: 1Cr18Ni9Ni, Secretary Levin titanium alloy welding
Soft seal spool: PTFE
Filler: PTFE, flexible graphite, stainless steel bellows
Gasket: rubber asbestos, 1Cr18Ni9Ti, graphite spiral wound gasket
Membrane cap: A3
Corrugated diaphragm: Ding Qing rubber clamp reinforced polyester fabric
Spring: 60Si2Mn
Putter, stem: 2Cr13,1Cr18Ni9Ti
Bushing: 2Cr13
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