Cryogenic Valve
A valve designed for service at very low temperatures, typically below -46 degrees C. Features an extended bonnet (cold box) to keep the packing and stuffing box warm, preventing ice formation and packing failure. Used in LNG, liquid nitrogen, liquid oxygen, and liquid CO2 service.
What is Cryogenic Valve?
A valve designed for service at very low temperatures, typically below -46 degrees C. Features an extended bonnet (cold box) to keep the packing and stuffing box warm, preventing ice formation and packing failure
Vajra Industrial Solutions is an engineering-driven industrial valve manufacturer and supplier. Concepts such as cryogenic valve inform how we select, manufacture, and document valves for industrial service.
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Frequently Asked Questions
What is Cryogenic Valve?
A valve designed for service at very low temperatures, typically below -46 degrees C. Features an extended bonnet (cold box) to keep the packing and stuffing box warm, preventing ice formation and packing failure. Used in LNG, liquid nitrogen, liquid oxygen, and liquid CO2 service.
How does Cryogenic Valve affect valve material and design selection?
A valve designed for service at very low temperatures, typically below -46 degrees C. Valve material selection must account for this service condition at every component: body, bonnet, trim (seats, disc/ball/gate, stem), packing, and bolting. Reference ASME B16.34 for pressure-temperature limits by material group, and NACE MR0175 for sour service material restrictions. Vajra Industrial Solutions provides materials-of-construction (MOC) recommendations based on your process datasheet.
Which valve certifications are required for Cryogenic Valve service?
Service-specific certifications depend on the application: fire-safe testing to API 607 for hydrocarbon service, cryogenic testing per BS 6364 for LNG service, fugitive emission certification to ISO 15848-1 for LDAR compliance, NACE MR0175 compliance for sour service, and SIL certification per IEC 61508/61511 for safety-critical applications. Vajra Industrial Solutions supplies fully certified valve packages with all required documentation.
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