Hawa Valves Cast Steel Ball Valves have been designed to meet the requirements BS 5351/ASME B 16.34API 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
Flexible lip seats compensate for wear and changes in pressure
Blow out proof stem construction
Antistatic devices ensure electrical continuity between ball, stem & body
Triple stem sealing
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
Our Features
One, 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 a metal to metal seating offered
Can be supplied with GRAYLOC END HUB, under project license from GRAYLOC PRODUCTS®, UK.
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 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
Stem
ASTM A 182 F304 / A 182 F316 / A 182 F 6a
Gland Bush
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
Disc Spring
Carbon Steel
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.
