Pressure-seal Gate Valve 900Lb～2500LB Standard Material Specifications NO. Part Name CS To ASTM AS to ASTM SS to ASTM Type A 105 Type F22 Type F304(L) Type F316(L) 1 Body A105 A182 F22 A182 F304(L) A182 F316(L) 2 Seat A276 420 A276 304 A276 304(L) A276 316(L) 3 Wedge A276 430&410 A182 F304 A182 F304(L) A182 F316(L) 4 Stem A182 F6 A182 F304 A182 F304(L) A182 F316(L) 5 Pressure Seat A105 A182 F304 A182 F304(L) F316(L) 6 Pressure Ring A276 304L A276 316L 7 Bonnet A105 A182 F22 A182 F304(L) A182 F316(L) 8 Gland Eyebold A193 B7 A193 B16 A193 B8(M) 9 Pin A276 420 A182 F304(L) 10 Stem Packing Flexible Graphite PTFE 11 P.S.Lock Nut A194 2H A194 4 A194 8 A194 8M 12 Gland A276 F420 A182 F304 13 Gland Flange A216 WCB A351 CF8 14 Nut A194 2H A194 4 A194 8 A194 8M 15 Yoke Nut A276-410 16 Retaining Nut A194 2H A194 4 A194 8 A194 8M 17 Handwheel A197 18 H.W.Lock Nut A194 2H A194 4 A194 8 A194 8M 19 Oil Cup Brass Suitable Medium W.O.G.etc W.O.G.etc HNO3,CH3OOH etc Suitable Temperature -29°C～425°C -29°C～550°C -29°C～180°C Note:Other materials are available upon request.CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel; Dimensions(mm) and Weights(Kg) NPS " " 1" 1" 1" 2" L 900～1500Lb 140 140 140 178 178 216 2500Lb 186 186 186 232 232 279 H(OPEN) 321 321 321 380 414 502 W 160 160 180 200 250 280 Weights 900～1500Lb 11.5 10.8 10.5 19.6 21.0 55.4 2500Lb 12.3 11.6 10.8 26.0 28.4 60.0