Cryogenic Check Valve Type 05412 On Welded Joint
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.0001
WORKING FLUID / MEDIUM
Approved for gases, vapors and liquefied cryogenic gases and LNG.
Dimensions:DN 10 – 50
The CRYOGENIC CHECK VALVE TYPE 05412 is engineered for superior performance in extreme low-temperature applications, ensuring reliable unidirectional flow control in cryogenic systems. Constructed with high-grade materials resistant to thermal contraction and embrittlement, this valve maintains integrity and functionality at temperatures as low as -196°C. Its welded joint design provides a leak-proof connection, essential for maintaining system purity and safety in demanding industrial environments such as LNG processing, aerospace, and medical gas systems.Key features include:Robust construction for cryogenic service down to -196°CWelded joint ensures zero leakage and high pressure resistanceDesigned for minimal pressure drop and high flow efficiencyCompatible with liquid nitrogen, oxygen, argon, and other cryogenic fluidsComplies with industry standards for safety and performanceIdeal for use in cryogenic storage tanks, transfer lines, and processing units, this valve offers durability and precision. Its design minimizes maintenance needs and enhances operational reliability, making it a critical component for industries requiring strict flow control under cryogenic conditions. Ensure system safety and efficiency with this high-performance check valve, trusted by engineers worldwide.

Materials
| No. | Materials | DIN EN | ASTM |
|---|---|---|---|
| 1 | Body | bronze CC491K | B62 UNS C83600 |
| 2 | Saddle | Teflon PTFE / carbon filled (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 |
Features
| SPECIFICATION | |
|---|---|
| Type 05412 | cryogenic check valve PN 50 |
| Connection ends | on a welded sleeve |
| Construction length | factory standard |
| Attaching the lid | flanged |
| Execution | straight |
| Joining | on a welded sleeve |
| 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 |











