Manual DN25 CF8 Cryogenic Fall Lift Safety Valve - 4.0MPa Pressure Rating, -196°C to +80°C Temperature Range
Price:
USD110 per pc
MOQ:
1 pcs
Delivery Time:
5-8 work days
Brand:
CNLN
Product Description
Product Overview
The Manual DN25 CF8 Cryogenic Fall Lift Safety Valve is engineered for reliable pressure protection in extreme low-temperature applications. This spring direct acting full open valve ensures operational safety for cryogenic media handling.
Nominal Pressure: 2.5MPa, 4.0MPa
Temperature Range: -196°C to +80°C
Connection Type: Thread
Nominal Diameter: DN15~25mm
Technical Specifications
| 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 |
| Material Composition | Valve Body: CF8; Valve Disc: 06Cr19Ni10; Valve Seat: 05Cr19Ni10; Seal: PTFE |
| Suitable Medium | O2, N2, Ar, LNG, LCO2, etc. |
| Suitable Temperature | -80°C to +120°C |
| Design & Manufacture | Conforms to GB/T24925-2010 |
| Testing Standard | Conforms to GB/T13927-2008 |
| Valve Lifetime | Specified according to usage frequency and installation location |
| Lead Time | Customized: 30-45 days; Stock: within 5 days |
Material Specifications
| Component | Material |
|---|---|
| Body and Seat | Stainless Steel |
| Spring | Stainless Steel |
| Disc Seal | Reinforced |
Dimensional Specifications
| Product Code | H | H1 | L | M1 | M2 | D0 | D1 | D2 |
|---|---|---|---|---|---|---|---|---|
| C158DJ15 | 179 | 62 | 47 | M45×2 | M36×2 | 36 | 15 | 32 |
| C158DJ25 | 159 | 51 | 46 | M30×1.5 | M30×1.5 | 22 | 12 | 26 |
Installation & Usage Guidelines
- Ensure pipeline is thoroughly cleaned before installation
- Install with flow direction arrow aligned with fluid flow
- Valve is pre-degreased - maintain cleanliness during installation
- Open all valves after pipeline construction to remove residue
- Systems with oil-free requirements must be degreased
- Operate slowly during opening and closing cycles
- Replace worn components (disc, seat, stem) promptly
- Always use new gaskets and sealing materials during maintenance
Technical Features
- Passes low-temperature performance testing for material integrity
- Extended valve stem with self-adjusting lengthening system
- Pressure relief hole prevents abnormal pressure buildup
- No internal material jamming or scratching during high-temperature operation under low-temperature conditions
Product Images
Ordering Information
- Provide structure length, connection type, nominal diameter, and usage parameters
- Factory can configure various driving devices per requirements
- 30% advance payment required for production orders
- Minimum order quantity: 1 piece/set
Quality Assurance
- 3-year product life guarantee
- 1-year warranty from bill of loading date
- Manufacturer with over 8 years of industry experience
- OEM available with proof of trademark registration
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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