DN40 PN25 Stainless Steel SS304 Cryogenic Swing Check Valve with Weld Connection for -196℃ to +80℃ Applications
Price:
USD128 PER PC
MOQ:
1pc
Delivery Time:
5-8days
Brand:
CNLN
Product Description
Product Overview
The DN40 PN25 Weld Connection Cryogenic Swing Check Valve in Stainless Steel SS304 is designed for automatic opening and closing based on medium flow to prevent backflow in cryogenic applications. This automatic valve protects pumps and drive motors from reverse flow and safely releases container media in systems handling liquefied gases.
Key Features
- Automatic operation prevents medium backflow
- Swing check design for reliable performance
- Stainless steel SS304 construction for durability
- Weld connection for secure installation
- Cryogenic temperature range: -196℃ to +80℃
- Suitable for LO2, LN2, LAr, LNG and similar media
Technical Specifications
| Parameter | Specification |
|---|---|
| Valve Type | Check Valve |
| Connection Type | Welding |
| Nominal Diameter | DN40 (40mm) |
| Nominal Pressure | PN25 (25 bar) |
| Material | Valve Body: CF8; Valve Disc: 06Cr19Ni10; Valve Stem: 06Cr19Ni10 |
| Sealing Materials | Stuffing: PTFE; Disc Sealing: PCTFE |
| Suitable Medium | LO2, LN2, LAr, LNG, etc. |
| Temperature Range | -196℃ to +80℃ |
| Design Standard | GB/T24925-2010 |
| Testing Standard | GB/T13927-2008 |
| Valve Lifetime | Specified according to usage frequency and installation location |
| Lead Time | Customized: 30-45 days; Stock: within 5 days |
Dimensional Specifications
| Product Code | DN | H (mm) | L (mm) | B (mm) | D0 (mm) | D1 (mm) | D2 (mm) |
|---|---|---|---|---|---|---|---|
| C325DJ10 | 10 | 64 | 195 | 6 | 12 | 15 | 22 |
| C325DJ15 | 15 | 64 | 195 | 6 | 15 | 19 | 26 |
| C325DJ20 | 20 | 81 | 201 | 6 | 23 | 26 | 34 |
| C325DJ25 | 25 | 81 | 201 | 6 | 26 | 33 | 39 |
| C325DJ32 | 32 | 102 | 215 | 9 | 35 | 39 | 46 |
| C325DJ40 | 40 | 102 | 215 | 10 | 42 | 46 | 52 |
| C325DJ50 | 50 | 127 | 267 | 10 | 54 | 58 | 66 |
| C325DJ65 | 65 | 150 | 267 | 10 | 68 | 77 | 85 |
| C325DJ80 | 80 | 182 | 267 | 10 | 84 | 89 | 100 |
Customization Requirements
For custom orders, please provide the following specifications in your contract:
- Structure length
- Connection type
- Nominal diameter
- Product use medium and temperature/pressure range
- Testing and inspection standards
Ordering Information
For futures and ordering, please provide detailed valve model, specifications, quantity, delivery time and location. A 30% advance payment is required for production commencement.
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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