CAST STEEL / FORGED STEEL, 3 PIECE,
TRUNNION MOUNTED SERIES
 

Size 20" x 300# Carbon Steel and Size
16" x 600# Duplex Stainless Steel Ball
Valve ready for dispatch duly inspected
 
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 260 Deg.C 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 NameMaterial Option
BodyASTM 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 PieceASTM 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
BallASTM A 351 CF8 / A 351 CF8M / A 182 F304 / A 182 F316 / A 182 F 6a
Body SealPTFE / Graphoil / Spiral Wound SS 316 with Graphoil
SeatsPTFE / GET / Graphite filled PTFE
Seat RetainerASTM 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
StemASTM A 182 F304 / A 182 F316 / A 182 F 6a
TrunnionASTM 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 HousingGraphite ASTMASTM 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 PlateASTM 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
SpringSpring Steel / SS 304 / SS 316 / Inconel X 750
'O' RingVITON / Silicon Rubber / Graphite
GlandASTM A 182 F304 / A 182 F316 / A 182 F 6a
Gland PackingGraphoil / PTFE
Stem PackingGraphite filled PTFE / Graphoil
Gland NutStainless Steel
Stem NutStainless Steel
LeverCarbon Steel with PVC
Gear Box / ActuatorManufacturer's Standard
Studs / BoltsASTM A 193 B7 / A 193 B7M / A 193 B8 / A 193 B8M / A 320 L7
NutASTM 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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