... 3,PN:PN1.6-4.0MPa 4,Type:control valve Remote control pneumatic valveMainly technical inspection1,Material: lining ceramic/ body carbon ... steel2,DN: DN15-DN2003,PN: PN1.6-4.0MPa4,Suitable Temperature: ≤500°C5,Medium Application: particle media with high hardness, erosive ... ,PTFE-impregnated asbestos yarn,asbestos yarn with graphite,graphite packing Remote control pneumatic valve