Cryogenic Check Valve Type 05418 On ANSI #300 Flanges
TECHNICAL DESCRIPTION
Cryogenic check valves, Class 300
· stainless steel body and bronze cover
· with spring, minimum working pressure 0.1 bar
· cleaned and degreased for oxygen operation
flange connection acc. to ANSI B16.5 class 300
· Art. No. 05418.X.0003
WORKING FLUID / MEDIUM
Approved for gases, vapors and liquefied cryogenic gases and LNG.
Dimensions: DN 25 – 100
The CRYOGENIC CHECK VALVE TYPE 05418 is engineered for superior performance in extreme low-temperature applications, ensuring reliable unidirectional flow control. Constructed with materials resistant to thermal contraction and embrittlement, this valve is ideal for use in LNG, industrial gas, and cryogenic processing systems. Its design adheres to ANSI #300 flange standards, providing robust sealing and compatibility with high-pressure piping networks.Key features include:Leak-proof operation at temperatures down to -196°CDurable stainless steel or specialized alloy constructionSpring-assisted closing for rapid response and minimal pressure dropCompliance with ASME B16.34 and other international standardsEasy maintenance with inline repairabilityThis valve is essential for preventing backflow in cryogenic storage, transportation, and distribution systems, enhancing safety and efficiency. Its compact design and flanged connections simplify installation and reduce downtime, making it a preferred choice for oil and gas, chemical, and aerospace industries.Optimized for longevity and minimal maintenance, the Type 05418 valve undergoes rigorous testing to ensure performance under thermal cycling and high-pressure conditions. Trust this solution for critical applications where reliability and compliance are non-negotiable.

Materials
| No. | Materials | DIN EN | ASTM |
|---|---|---|---|
| 1 | Body | 1.4308 | A351CF8 |
| 2 | Saddle up to DN50 | Teflon PTFE / graphite filler (25%) | |
| 2a | DN65 saddle | Teflon PTFE | |
| 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 05418 | cryogenic valve Class 300 / ANSI B16.5 |
| Connection ends | flanged |
| Construction length | factory standard |
| Attaching the lid | flanged |
| Execution | straight |
| Joining | on flanges |
| Drive | independently |
| Working temp. [°C] | -196 °C / -321 °F |
| up to +120 °C / +248 °F | |
| Nominal size | Size code (.X.) | Flange diameter Ø (D-class) | Construction length (FF) | Height (H) | Weight (approx. kg) | Kvs value (m³/h) | Cv-value (gal/min) |
|---|---|---|---|---|---|---|---|
| 15 | 0400 | 90 | 140 | 70 | 2.9 | 4.3 | 5.0 |
| 20 | 0600 | 100 | 150 | 75 | 3.4 | 6.7 | 7.8 |
| 25 | 1000 | 110 | 160 | 75 | 4.4 | 11.5 | 13.4 |
| 40 | 1400 | 125 | 200 | 95 | 6.4 | 22.6 | 26.3 |
| 50 | 2000 | 150 | 230 | 90 | 11.6 | 37.1 | 43.2 |
| 65 | 2400 | 180 | 290 | 125 | 19.2 | 71.1 | 82.7 |
| 80 | 3000 | 190 | 310 | 150 | 25.2 | 104.0 | 120.9 |
| 100 | 4000 | 230 | 350 | 165 | 39.8 | 170.0 | 195.2 |
| 150 | 6000 | 280 | 577 | 215 | 81.5 | 350.0 | 401.8 |










