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Hawa Fully
Welded Metal Seated Ball Valves have been
designed to meet the requirements BS 5351/ASME
B 16.34API 6D-ISO 14313/API 608/MSS SP 72
and suitable for gas pipeline application. |
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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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Metal seated
seats |
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Extended
stems for buried applications |
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Fire safe
design |
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Pressure
energized seat rings with spring
assistance for preloading ensure leak
tightness even at low pressure
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Blow out
proof stem construction |
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Double block
and bleed |
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Antistatic devices ensure
electrical continuity between ball, stem &
body |
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Bearing pads fix the ball
and absorb total thrust of the medium
relieving the downstream sealing of the
load |
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ISO 5211 top pad for
simplified gear/actuator mounting |
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Valves meet the
requirements of fugitive emission levels
Shell category B as per MESC SPE 77/312
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