... DN200 3,PN:PN1.6-4.0MPa 4,Type:control valve Remote control pneumatic valveMainly technical inspection1,Material: lining ceramic/ ... ; 3-way cast globe valveSize15,20,25,32,40,50,65,80,125,150,200mmPressurePN1.6,4.0 ... ~+230,Heat type+230~450,Bellows sealing type -40~+350with the body as one-piece-45~+400Gland typeBolted ... yarn,asbestos yarn with graphite,graphite packing Remote control pneumatic valve