Cryogenic Ball Valve

Name: Cryogenic Ball Valve
Brand: VTXFLOW

Extended bonnet design for LNG service down to -196°C.

Ball Valve Series

Cryogenic Ball Valve

Designed for LNG, liquid nitrogen and oxygen service down to -196°C, the cryogenic ball valve features an extended bonnet to keep stem packing in the warm zone and a cavity relief hole to vent trapped liquid safely.

As part of the VTXFLOW ball valve range, every cryogenic ball valve is produced under our certified quality system — from in-house casting and CNC precision machining to 100% pressure and seat-tightness testing before shipment, with EN 10204 3.1 material certificates supplied.

Extended bonnet per BS 6364 / MSS SP-134
Cavity pressure relief as standard
Materials LCB / CF8 / F304 cryo-impact tested
Helium leak test and degreasing for oxygen service

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Cryogenic Ball Valve — VTXFLOW Ball Valve Series

Technical Specifications

Size Range	1/2" – 40" (DN15 – DN1000)
Pressure Class	ASME 150 – 2500 LB / PN16 – PN160 / 10K – 20K
Body Materials	WCB, CF8, CF8M, CF3, CF3M, Duplex, A105, F304, F316
Design Standards	API 6D, API 608, ISO 17292, DIN 3357, JIS B2071
End Connections	RF, RTJ, FF, BW, SW, NPT

Typical Applications

Oil & gas pipelinesChemical processingPower stationsWater treatmentLNG terminals

How to Order — What to Specify

Size and bore: full bore or reduced bore
Pressure class: ASME 150–2500 / PN16–PN160 / JIS 10K–20K
Body and trim materials (WCB, CF8M, A105, F316, Duplex...)
Seat type: soft (PTFE / RPTFE / PEEK) or metal hard-faced
End connections: RF, RTJ, BW, SW or NPT
Operation: lever, gear, electric or pneumatic actuator
Design standard: API 6D, API 608, ISO 17292 or DIN
Options: fire-safe API 607, NACE MR0175, DBB, stem extension

Every cryogenic ball valve is shell and seat tested to API 598 / ISO 5208 before shipment and delivered with EN 10204 3.1 material certificates. PMI, NDE and third-party inspection (SGS / BV) are available on request.

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Interested in the cryogenic ball valve? Tell us your size, pressure class, material, standard and quantity — our engineers respond within 24 hours.