SiChuan Liangchuan Mechanical Equipment Co.,Ltd
                                                                                                           
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DN25 Cryogenic Full Open Safety Valve for LNG Tank - 4.0MPa Pressure Rating, -196°C to +80°C Temperature Range

Price Negotiable
Price: USD110 per pc
MOQ: 1 pcs
Delivery Time: 5-8 work days
Brand: CNLN
Product Description
Product Overview

DN25 cryogenic full open safety valve designed specifically for LNG tank applications, providing reliable pressure relief in extreme low-temperature environments.

Technical Specifications
Valve Type: Spring direct acting full open safety valve
Nominal Diameter: DN15-25mm
Nominal Pressure: 2.5MPa, 4.0MPa
Set Pressure: 0.92MPa, 1.76MPa, 2.42MPa
Temperature Range: -196°C to +80°C
Connection Type: Thread/Screw
Material Composition
Valve Body: CF8 Stainless Steel
Valve Disc: 06Cr19Ni10 Stainless Steel
Valve Seat: 05Cr19Ni10 Stainless Steel
Seal Material: PTFE (Reinforced)
Spring: Stainless Steel
Application Details
Suitable Media: LO2, LN2, LAr, LNG, LC2H4, LCO2, O2, N2, Ar
Design Standard: GB/T24925-2010
Testing Standard: GB/T13927-2008
Dimensional Specifications
Product Code H (mm) H1 (mm) L (mm) M1 M2 D0 (mm) D1 (mm) D2 (mm)
C158DJ15 179 62 47 M45×2 M36×2 36 15 32
C158DJ25 159 51 46 M30×1.5 M30×1.5 22 12 26
Product Images
DN25 cryogenic full open safety valve for LNG tank applications Detailed view of cryogenic safety valve components and construction Cryogenic safety valve dimensional diagram and specifications
Installation & Usage Guidelines
  • Ensure piping is thoroughly cleaned before installation
  • Install with flow direction arrow on valve body matching fluid flow
  • Maintain cleanliness during installation (valve is pre-degreased)
  • Open all valves after pipeline construction to remove residue
  • Operate valves slowly during use
  • Replace worn components (disc, seat, stem) promptly
  • Use new gaskets and sealing materials during maintenance
Ordering Information
Lead Times: Customized valves 30-45 days; Stock valves within 5 days
Custom Requirements: Provide structure length, connection type, nominal diameter, media specifications, and testing standards
Cryogenic Valve Applications

Designed for gas liquefaction, separation, transportation and storage equipment operating at temperatures down to -270°C, suitable for various industrial cryogenic applications.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company SiChuan Liangchuan Mechanical Equipment Co.,Ltd
Location No.789,Baiyun Road,East Industrial Park,Xindu District,Chengdu City,Sichuan Province P.C. 610500
Contact Person Doris

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