... (mm); 6 ,10 ,15 ,25 ,32 ,40 ,50,65 2,Seat ring diameter3,Rated flow coefficient4, Flow characteristic : Linear ,linear , ... into side.Main parts materialsPartsMaterialPartsMaterialbodyA105, WC9 etc.packingFlexible graphiteseat ring gasketFlexible graphite+mesh boardglandASTM A182 F316, A276seat ringASTM A276 ... 3-way cast globe valveSize15,20,25,32,40,50,65,80,125,150,200mmPressurePN1.6,4.0,6.4MPaFlange ...