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| RISING STEM, TOP ENTRY, SINGLE SEATED, TRUNNION MOUNTED SERIES |
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| Features |
- Specially designed die formed graphite packings, controlled clearances between stem, gland and bushing for guaranteed low emissions meet 100 ppm maximum fugitive emission levels.
- 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
- Bubble tight closure, friction free operation and long service life since the ball never rotates against the seat
- Rising and Blow out proof stem construction
- Uni-body construction
- Position indicator
- ISO 5211 top pad for simplified gear/actuator mounting
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| Options |
- 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
- Emergency stem sealant injection system
- Can be supplied with GRAYLOC END HUB, under project license from GRAYLOC PRODUCTS®, UK.
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