... Valve,Reduce Port,1000WOG,PN63,CF8M/CF8,SS316/SS304,1.4408/1.4301Materials of main parts: Sealing: PTFE Packing: PTFEBALL ... .0. 6.4Mpa Main size: 1/4" 3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"Blow-out Proof Stem ... .1 BS21/2779,DIN 259/2999,ISO 228 Inspection & Testing:API 5982. Material:NO.PART NAMEMATERIAL1BodyCF8MCF8WCB2BallSS316SS304 3Spring WasherSS3044Thrust WasherPTFE5Packing ...