CYROGENIC BUTT-WELDED NEEDLE VALVE
Category: Cryogenic Valves
Features |
• Design assessed & Approved by major IACS soceity ( BV /ABS / CCS / DNV )
• Compact design for instrumentation at -196°C • Butt weld end as per std ASME B16.25 • NPT Threads as per ANSI Std B1.20.1 • Design & Testing as per std BS 6364:1984 • Welding process qualified to BVPC SEC VIII • Stainless Steel construction with extended Bonnet Type • Non rotating Tip for long life and self-centering • Metal to metal seat for bubble tight positive shut off • Low torque operating hand valve • Re adjustable packing method for long life of seal • Dust cap to protect from contamination • Metal back seat to avoid stem blowout during operation • Packing below thread to avoid lubricant washout |
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Size |
1/2” to 2” ( DN10 To DN50 )
|
Materials |
ASTM A182 / A479 - SS 316 / 316L
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Gland packing |
PCTFE ( KEL-F ) & PTFE
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Working Temperature |
-196°C to +95°C ( -320.8°F To +203°F )
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Testing |
100% Hydro testing performed as per Std BS EN 12266-1
Cryogenic Testing @ -196°C as per std BS6364:1984 3rd Party approval option available |
Ansi Class |
ANSI Class: 150# / 300#
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Inlet |
Flanged end / Butt Welded end / Screwed end / Socket Welded end
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Outlet |
Flanged end / Butt Welded end / Screwed end / Socket Welded end
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