DN25 Spring Direct Acting Cryogenic Safety Valve -196°C to +80°C 4.0MPa for LNG LOX LN2 Applications
DN25 spring direct acting full open cryogenic safety valve designed for extreme temperature applications ranging from -196°C to +80°C. Ideal for handling liquefied gases including LNG, LOX, LN2, LAR, and LCO2.
| Parameter | Specification |
|---|---|
| Valve Type | Safety Valve |
| Connection Type | Screw/Thread |
| Nominal Diameter | DN15-25mm |
| Nominal Pressure | PN4.0MPa |
| Set Pressure | 0.92MPa, 1.76MPa, 2.42MPa |
| Suitable Temperature | -80°C to +120°C |
| Design & Manufacture | Conforms to GB/T24925-2010 |
| Testing Standard | Conforms to GB/T13927-2008 |
| Component | Material |
|---|---|
| Valve Body | CF8 (Stainless Steel) |
| Valve Disc | 06Cr19Ni10 |
| Valve Seat | 05Cr19Ni10 |
| Seal Material | PTFE (Reinforced) |
| Spring | Stainless Steel |
- Ensure pipes are thoroughly cleaned before installation
- Install with flow direction arrow aligned with fluid flow
- Maintain degreased condition during storage and installation
- Complete pipeline flushing after construction to remove debris
- Perform degreasing for systems requiring oil-free operation
- Operate valves slowly during opening and closing cycles
- Replace worn components (disc, seat, stem) promptly
- Use new gaskets and seals during each maintenance cycle
| 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 |
Yes. Liangchuan requires proof of trademark registration to print or emboss your trademark onto products or packaging.
Yes. We offer 3-year product life guarantee and a 1-year warranty beginning with the bill of lading.
Usually we don't offer free samples and require express fees. Sample costs can be deducted from your first large order.
Our minimum order quantity is one (1) piece/set.
Yes, we are the manufacturer with over 8 years of experience.
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