Cryogenic Check Valve Type 05411 On Holland Thread With Brass Soldering Fittings
TECHNICAL DESCRIPTION
Cryogenic check valves, PN50
· bronze body and cover · with spring, minimum working pressure 0.1 bar · cleaned and degreased for oxygen operation · Art. No. 05411.X.0008 union connection with brass soldering tips
WORKING FLUID / MEDIUM
Approved for gases, vapors and liquefied cryogenic gases and LNG.
Dimensions:DN 10 – 50
The CRYOGENIC CHECK VALVE TYPE 05411 is engineered for superior performance in extreme low-temperature applications, ensuring reliable unidirectional flow control. Featuring Holland thread connections and precision brass soldering fittings, this valve is designed to withstand cryogenic environments while maintaining leak-proof integrity and operational safety. Its robust construction makes it an ideal choice for industries such as LNG processing, medical gas systems, and aerospace, where temperature resilience and durability are paramount.Key specifications and features include:Material: High-grade brass for corrosion resistance and thermal stabilityConnection Type: Holland thread for secure, easy installationTemperature Range: Optimized for cryogenic conditions down to -196°CPressure Rating: Suitable for high-pressure systems in industrial settingsApplication: Ideal for liquid nitrogen, oxygen, and other cryogenic fluidsThis valve ensures minimal pressure drop and efficient flow, reducing energy consumption and enhancing system longevity. Its design complies with international standards for safety and performance, providing peace of mind in critical operations. Whether for industrial gas handling, laboratory use, or specialized manufacturing, the TYPE 05411 delivers unmatched reliability and efficiency.Easy to install and maintain, this cryogenic check valve is backed by rigorous testing and quality assurance. It is a cost-effective solution for preventing backflow and protecting equipment in demanding environments, making it a preferred choice for engineers and procurement specialists worldwide.

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 | With soldering tips | CC493K | B505 UNS C93200 |
| 9 | Holland nut | CC493K | B505 UNS C93200 |
Features
| SPECIFICATION | |
|---|---|
| Type 05411 | cryogenic check valve PN 50 |
| Connection ends | hollandruse |
| Construction length | factory standard |
| Attaching the lid | flanged |
| Execution | straight |
| Joining | Dutch connection |
| Drive | independently |
| Working temp. [°C] | -196 °C / -321 °F (77K) |
| +120 °C / +248 °F (393K) | |
| DN | Size Code | FF | H | Thread (GW) | Thread Length (b) | Weight (kg) | Kvs (m³/h) | Cv (gal/min) |
|---|---|---|---|---|---|---|---|---|
| 10 | 0100 | 60 | 71 | M26x1.5 | 7 | 0.7 | 2.2 | 2.6 |
| 20 | 0200 | 85 | 72 | M40x2.0 | 11 | 1.3 | 6.7 | 7.8 |
| 32 | 0320 | 115 | 87 | M55x2.0 | 14 | 2.4 | 12.1 | 14.1 |
| 40 | 0400 | 140 | 95 | M65x2.0 | 17 | 3.9 | 22.6 | 26.3 |
| 50 | 0500 | 160 | 95 | M78x2.0 | 20 | 5.7 | 37.1 | 43.2 |











