NSW Cryogenic Ball Valve – Class 150 to 2500, Extended Bonnet

The NSW Cryogenic Ball Valve is engineered specifically for low-temperature services down to -196°C, including liquefied natural gas (LNG), ethylene, and other cryogenic chemical applications. Available in sizes from 1/2″ to 12″ and pressure classes up to 2500#, this valve features a precision-machined full or reduced bore ball design and extended bonnet for thermal protection. It is constructed from cryogenic-compatible materials such as LCB, CF8, CF8M, F304/F316 stainless steels, and LF2 carbon steel. The valve is designed to ensure zero leakage performance, with a double block and bleed feature, blowout-proof stem, and anti-static device. The extended stem design keeps the stem seal away from the cold zone, enhancing reliability under deep cryogenic conditions. Offered with handle, worm gear, electric, pneumatic, or electro-hydraulic actuation, the valve is ideal for high-integrity isolation in LNG terminals, air separation plants, and cryogenic chemical processing systems.

Specifications:

– Valve Type: Cryogenic ball valve
– Size Range: NPS 1/2″ to NPS 12″
– Pressure Class: 150, 300, 600, 900, 1500, 2500
– Temperature Range: -40°C to -196°C
– Body Materials: LCB, LCC, LC3, CF8, CF8M, CF3, LF2, F304, F316, F304L, F316L
– Seat/Trim Materials: Matching SS/cryogenic-compatible materials
– Design Standard: API 6D, API 608, ASME B16.34
– Face-to-Face: API 6D / ASME B16.10
– End Connections: RF/FF/RTJ flanged (ASME B16.5/B16.47), SW (B16.11), BW (B16.25), NPT (ASME B1.20.1)
– Testing Standards: API 6D, API 598
– Wall Thickness: ASME B16.34 compliant
– Fire Safe Design: API 6FA, API 607
– Optional Compliance: NACE MR-0175 / MR-0103, ISO 15848
– Inspection: PMI, UT, RT, PT, MT
– Drive Options: Manual handle, worm gear, electric, pneumatic, pneumatic-hydraulic, electro-hydraulic

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