Cryogenic Check Valve Type 05412 With Brazed Stainless Steel Ends
TECHNICAL DESCRIPTION
Type 05412 – Check valves
Cryogenic check valves, PN50
· bronze body and cover · with spring, minimum working pressure 0.1 bar · cleaned and degreased for oxygen operation
Art. No. 05412.X.0007
With stainless steel butt welding ends according to DIN EN 12449.
WORKING FLUID / MEDIUM
Approved for gases, vapors and liquefied cryogenic gases and LNG.
Dimensions:DN 10 – 50
The CRYOGENIC CHECK VALVE TYPE 05412 WITH BRAZED STAINLESS STEEL ENDS is engineered for superior performance in extreme low-temperature applications. This industrial-grade valve ensures unidirectional flow control while maintaining exceptional reliability and leak-tight sealing in cryogenic systems. Its robust construction and specialized design make it ideal for handling liquefied gases and other cryogenic fluids with maximum efficiency and safety.
Key features of this cryogenic check valve include:
Brazed stainless steel ends for superior corrosion resistance and durability
Designed specifically for cryogenic service down to -320°F (-196°C)
Zero-leakage performance with bubble-tight sealing
Low cracking pressure for efficient system operation
Compact design with minimal pressure drop characteristics
This valve meets rigorous industrial standards and is suitable for various applications including LNG processing, industrial gas handling, medical gas systems, and aerospace cryogenics. The Type 05412 valve’s maintenance-free operation and long service life make it a cost-effective solution for critical cryogenic infrastructure where reliability and safety are paramount.
Materials
| No. | Materials | DIN EN | ASTM |
|---|---|---|---|
| 1 | Body | bronze CC491K | B62 UNS C83600 |
| 2 | Saddle | Teflon PTFE / with graphite filling (25%) | |
| 3 | Valve | brass CW614N | B283 UNS C38500 |
| 4 | Spring | CW452K | B159 UNS C51900 |
| 5 | Lid gasket | Teflon PTFE | |
| 6 | Bolts | 1.4301/A2 | A 194 B8 |
| 7 | Lid | CC493K | B505 UNS C93200 |
| 8 | Stainless steel edges | 1.4301/A2 | A 194 B8 |
Features
| SPECIFICATION | |
|---|---|
| Type 05412 | cryogenic check valve PN 50 |
| Connection ends | on a weld |
| Construction length | factory standard |
| Attaching the lid | flanged |
| Execution | straight |
| Joining | on a weld |
| Drive | independently |
| Working temp. [°C], | -196°C to +120°C |
| DN | Size Code (.X.) | Construction Length (FF) | Height (H) | Outer Pipe Diameter Ø (RA) | Wall Thickness (a) | Weight (approx. kg) | Kvs Value (m³/h) | Cv Value (gal/min) |
|---|---|---|---|---|---|---|---|---|
| 10 | 1012 | 360 | 71 | 12.0 | 1.0 | 0.8 | 2.2 | 2.6 |
| 15 | 1515 | 385 | 71 | 15.0 | 1.5 | 1.1 | 4.3 | 5.0 |
| 15 | 1518 | 385 | 71 | 18.0 | 1.5 | 1.1 | 4.3 | 5.0 |
| 20 | 2022 | 385 | 72 | 22.0 | 1.5 | 1.4 | 6.7 | 7.8 |
| 25 | 2528 | 415 | 75 | 28.0 | 1.5 | 2.0 | 11.5 | 13.4 |
| 32 | 3235 | 415 | 87 | 35.0 | 1.5 | 2.8 | 12.1 | 14.1 |
| 40 | 4042 | 420 | 95 | 42.0 | 1.5 | 4.5 | 22.6 | 26.3 |
| 50 | 5054 | 460 | 95 | 54.0 | 2.0 | 6.5 | 37.1 | 43.2 |
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