CAST STEEL, 2 PIECE, TRUNNION MOUNTED - FULL and REDUCED PORT     Features Hawa Valves Cast Steel Ball Valves have been designed to meet the requirements BS 5351/ASME B 16.34/API 6D-ISO 14313/API 608/MSS SP 72 Face to Face and End to End dimensions conform to ASME B 16.10 / ISO 5752 / BS 2080 / API 6D-ISO 14313 / DIN End flange dimensions conform to ASME B 16.5 / ISO 7005-1 / API 605 / BS 3293 / DIN Butt weld end dimensions conform to ASME B 16.25 Fire tested design to API 607/API 6FA/BS 6755-II Pressure energized seat rings with spring assistance for preloading ensure leak tightness even at low pressure Blow out proof stem construction Double block and bleed Antistatic devices ensure electrical continuity between ball, stem and body Bearing pads fix the ball and absorb total thrust of the medium relieving the downstream sealing of the load ISO 5211 top pad for simplified gear/actuator mounting Valves meet the requirements of fugitive emission levels Shell category B as per MESC SPE 77/312 Options Two or three piece construction For low temperature and cryogenic services (cold box and non-cold box applications) extended bonnet as per BS 6364 available Locking arrangement Gear, Electrical, Hydraulic or Pneumatic actuator available Soft seats are recommended for service temperature up to 260oC and for higher temperatures metal to metal seating offered Emergency sealant injection system Can be supplied with GRAYLOC END HUB, under project license from GRAYLOC PRODUCTS®, UK. Large valves are provided with lifting lugs and installation supports. Materials Part Name Material Option Body ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB Side Piece ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB Ball ASTM A 351 CF8 / A 351 CF8M / A 182 F304 / A 182 F316 / A 182 F 6a Body Seal PTFE / Graphoil / Spiral Wound SS 316 with Graphoil Seats PTFE / GET / Graphite filled PTFE Seat Retainer ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB Stem ASTM A 182 F304 / A 182 F316 / A 182 F 6a Trunnion ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB Gland Housing Graphite ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB Top Plate ASTM A 216 WCB / A 217 WC6 / A 217 WC9 / A 217 C5 / A 217 C12 / A 351 CF8 / A 351 CF8M / A 351 CF3 / A 351 CF3M / A 352 LCB Spring Spring Steel / SS 304 / SS 316 / Inconel X 750 'O' Ring VITON / Silicon Rubber / Graphite Gland ASTM A 182 F304 / A 182 F316 / A 182 F 6a Gland Packing Graphoil / PTFE Stem Packing Graphite filled PTFE / Graphoil Gland Nut Stainless Steel Stem Nut Stainless Steel Lever Carbon Steel with PVC Gear Box / Actuator Manufacturer's Standard Studs / Bolts ASTM A 193 B7 / A 193 B7M / A 193 B8 / A 193 B8M / A 320 L7 Nut ASTM A 194 2H / A 194 B7M / A 194 B / A 194 8M / A 194 4/7 * Valves are available in Duplex & Super Duplex Stainless Steel and Nickel Aluminium Bronze. Please indicate Trim required and ask for individual technical data sheets provided separately for these special materials.

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