SS304 Cryogenic Safety Valve DN25 2.5MPa for LNG Tank Pressure Relief -196℃ to +80℃

This specialized cryogenic safety valve is engineered for liquid oxygen, liquid nitrogen, liquid argon, and LNG systems. It features free start operation, reliable sealing performance, and stable pressure relief activation.

• Body and Seat: Copper / Stainless Steel
• Valve Top, Stem, Spring: Stainless Steel

• Ensure piping is thoroughly cleaned before installation
• Align valve flow direction arrow with fluid flow direction
• Maintain cleanliness during installation (valve is pre-degreased)
• Open all valves after pipeline construction to remove residue
• Perform degreasing for systems requiring oil-free operation
• Operate valve slowly during opening and closing cycles

• Promptly repair or replace worn precision components (disc, seat, stem)
• Replace gaskets and sealing materials with new components during maintenance

• Provide structure length specifications
• Specify connection type requirements
• Define nominal diameter parameters
• Detail media type, temperature, and pressure ranges
• Specify testing and inspection standards
• For OEM orders: provide trademark registration proof

Liangchuan offers 3-year product life guarantee and 1-year warranty from bill of loading date. Minimum order quantity is 1 piece/set. Sample orders require payment with cost deductible from first large order.