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RISING STEM, TOP ENTRY, SINGLE SEATED,
TRUNNION MOUNTED SERIES |
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Features: |
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Specially designed die formed graphite packings, controlled clearances between stem, gland and bushing for guaranteed low emissions meet 100 ppm maximum fugitive emission levels. |
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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 |
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Face to Face and End to End dimensions conform to ASME B 16.10 / ISO 5752 / BS 2080 /API 6D-ISO 14313/ DIN |
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End flange dimensions conform to ASME B 16.5 / ISO 7005-1 / API 605 / BS 3293 / DIN |
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Butt weld end dimensions conform to ASME B 16.25 |
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Fire tested design to API 607/API 6FA/BS 6755-II |
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Bubble tight closure, friction free operation and long service life since the ball never rotates against the seat |
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Rising and Blow out proof stem construction |
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Uni-body construction |
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Position indicator |
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ISO 5211 top pad for simplified gear/actuator mounting |
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Options: |
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For low temperature and cryogenic services (cold box and non-cold box applications) extended bonnet as per BS 6364 available |
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Locking arrangement |
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Gear, Electrical, Hydraulic or Pneumatic actuator available |
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Soft seats are recommended for service temperature up to 260 Deg.C and for higher temperatures a metal to metal seating offered |
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Emergency stem sealant injection system |
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Can be supplied with GRAYLOC END HUB, under project license from GRAYLOC PRODUCTS®, UK. |
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