Part Name Carbon Steel to ASTM Alloy Steel to ASTM Stainless Steel to ASTM 1 Body A216 WCB A352 LCB A352 LCC A217 WC6 A217 C5 A105 A351 CF8 A351 CF8M A890 4A 2 Bonnet A105 A350 LF2 A350 LF2 A105 A105 A182 F316 A182 F304 A182 F316 A182 F51 3 Gate* A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F51 4 Gate Retainer A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F51 5 Seat* A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F51 6 Stem A564 S17400 7 Silver Plated-Gasket A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F51 8 Thrust Ring A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F51 9 Pressure Collar A105 +ENP A350 LF2 +ENP A350 LF2 +ENP A105 +ENP A105 +ENP A105 +ENP A182 F304 A182 F316 A182 F51 10 Pressure Plate A105 +ENP A350 LF2 +ENP A350 LF2 +ENP A105 +ENP A105 +ENP A105 +ENP A182 F304 A182 F316 A182 F51 11 Gland A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F304 A182 F316 A182 F51 12 Gland Flange A216 WCB A352 LCB A352 LCC A217 WC6 A217 C5 A217 C12 A351 CF8 A351 CF8M A890 4A 15 Stop Plate A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F51 16 Gland Adaptor Plate A105 A350 LF2 A350 LF2 A105 A105 A105 A182 F304 A182 F316 A182 F51 17 Stem Nut B150 C61900 18 Gear Steel 19 Dust Proof Cover Steel 20 Yoke Steel 23 Belleville Spring Steel +ZP/Inconel 24 Spring Steel 26 Pin A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F316 A182 F51 27 Packing Graphite 28 Nut A194 2H A194 7 A194 7 A194 4 A194 4 A193 B16 A194 8 A194 8M A194 8MLCuNa 29 Bolt A193 B7 A320 L7 A320 L7 A193 B16 A193 B16 A194 4 193 B8 193 B8M A193 B8MLCuN 30 Nut A194 2H A194 7 A194 7 A194 4 A194 4 A193 B16 A194 8 A194 8M A194 8MLCuNa 31 Spring Washer Steel 32 Bolt A193 B7 A320 L7 A320 L7 A193 B16 A193 B16 A194 4 A193 B8 A193 B8M A193 B8MLCuN 33 Nut A194 2H A194 7 A194 7 A194 4 A194 4 A193 B16 A194 8 A194 8M A194 8MLCuNa 34 Bolt A193 B7 A320 L7 A320 L7 A193 B16 A193 B16 A194 4 A193 B8 A193 B8M A193 B8MLCuN 35 Nut A194 2H A194 7 A194 7 A194 4 A194 4 A194 4 A194 8 A194 8M A194 8MLCuNa 37 Stem Indicator Steel 38 Packing Ring B150 C61900 39 Backseat Hard Face Hard Face Hard Face Hard Face Hard Face Hard Face Hard Face Hard Face Hard Face * +Stellite where specified, Inconel & Monel option also available. MATERIALS LIST Pressure Seal (Pillar & Bridge Bonnet Style shown.) 37 19 18 17 28 16 20 23 34 35 12 11 33 32 10 27 38 2 6 1 39 3 24 4 5 15 26 7 8 9 31 30 29 PART NUMBER SYSTEM PAGE 4 *For API600 weights see page 41, 42. For Buttweld dimensions and weights see overview brochure. For RTJ dimensions see overview brochure. For 16” to 30” see overview brochure. STEAMCO - Cast Steel Steam Valves 12 PARALLEL SLIDE GATE VALVE PARALLEL SLIDE GATE VALVE CAT AP76S-M/N~AP25S-M/N - PRESSURE SEAL BONNET 600~2500 CLASS