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These
HawaValves have been designed to meet the
requirements of API-6D ISO 14313 /ASME B
16.34 |
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Face to Face
and End to End dimensions conform to ASME
B 16.10 / ISO 5752 / BS 2080 / 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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Slab type
gate to avoid jamming associated with
wedge gate |
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Pressure
energized floating seat rings with PTFE
inserts |
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Weather
proof operating system |
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Easy
maintenance with valve in-line |
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Through
conduit piggable passage |
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Anti-frictional Ball bearings are provided
in higher sizes and classes |
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Outside
screw and yoke construction |
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All the
valves provided with backseat arrangement |
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Bi-directional shut-off |
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Deep
stuffing box |
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Body ports
are streamlined, permitting unobstructed
flow, reduces turbulence, results in lower
pressure drop & lower erosion |
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The Body to
Bonnet joint is flat in ISO PN 20 / ASME
150# valves, a male and female joint is
used in PN 50 / 300# & PN 110 / 600# and
ring joint is used in higher classes |
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Specially
designed die formed graphite packing,
controlled clearance between stem, gland &
bonnet bushing for guaranteed low
emissions meet 100 ppm maximum fugitive
emission levels as per Shell SPE 77/312 |
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