Cryogenic Valves Features

• » Extended Bonnet Design: Features an integrated gas column that isolates the stem packing from cryogenic temperatures, preventing seal freezing and ensuring smooth manual or automated operation.
• » Ultra-Low Temperature Performance: Specifically engineered to maintain mechanical integrity and bubble-tight sealing at temperatures as low as -196°C, ideal for liquid nitrogen and LNG service.
• » Cavity Pressure Relief: Ball and gate configurations include specialized venting mechanisms to prevent over-pressure caused by the expansion of trapped liquefied gases as they vaporize.
• » High-Integrity Material Selection: Constructed from austenitic stainless steel (CF8M/CF3M) and low-temperature alloys that remain ductile and resist brittle fracture in extreme cold.
• » Stringent Helium Leak Testing: Every valve is subjected to high-sensitivity helium mass spectrometer testing to ensure zero-leakage performance across the body and seat.
• » Cold Box Compatibility: The extended stem length is optimized for installation in insulated "cold boxes," allowing for external maintenance and operation without disrupting the thermal barrier.
• » Anti-Static and Fire-Safe: Built with anti-static devices and fire-safe certified designs to provide maximum safety when handling flammable cryogenic fluids like Liquid Hydrogen or LNG.
• » Precision-Lapped Seating: Seating surfaces are precision-lapped to ensure a perfect metal-to-metal or soft-seated interface, maintaining shutoff reliability despite significant thermal contraction.