Cryogenic Check Valve Type 05415 Threaded
TECHNICAL DESCRIPTION
Cryogenic check valves, PN50
· stainless steel body and bronze cover
· with spring, minimum opening pressure 0.1 Bar
· cleaned and degreased for oxygen operation
thread (G) according to ISO 228/1
· Art. No. 05415.X.0001
NPT thread according to ANSI B 1.20.1
· Art. No. 05415.X.0006
OPTIONS
· thread (R) acc. acc. ISO 7-Rc
WORKING FLUID / MEDIUM
Approved for gases, vapors and liquefied cryogenic gases and LNG.
Dimensions: G1/4″ – 2″
The CRYOGENIC CHECK VALVE TYPE 05415 THREADED is engineered for superior performance in extreme low-temperature environments, making it an essential component in cryogenic systems. Constructed with high-grade stainless steel, this valve ensures durability and resistance to thermal contraction, preventing leaks and maintaining system integrity. Its threaded connections facilitate easy installation and secure fittings, ideal for applications involving liquefied gases such as nitrogen, oxygen, and argon.This valve features a robust design that includes a spring-assisted closure mechanism, enabling reliable unidirectional flow control even under fluctuating pressure conditions. It is specifically tested to operate efficiently at temperatures as low as -196°C, ensuring safety and efficiency in critical industrial processes. Common applications include use in aerospace, medical gas systems, chemical processing, and energy sectors where precise fluid handling is paramount.Key benefits and specifications include:Material: 316 Stainless Steel for corrosion resistanceTemperature Range: -196°C to +80°CPressure Rating: Up to 600 PSIThread Type: NPT or BSPP based on configurationLeak-Proof Design: Ensures zero backflow in cryogenic conditionsCompact and Lightweight: Easy to integrate into existing systemsOptimize your operations with this reliable, industry-compliant valve designed for longevity and peak performance in demanding settings. Trusted by professionals worldwide, it meets international standards including ISO 9001, ensuring quality and dependability for your critical infrastructure.

Materials
| No. | Materials | DIN EN | ASTM |
|---|---|---|---|
| 1 | Body | 1.4308 | A 351 CF8 |
| 2 | Saddle | Teflon PTFE / graphite filler (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 05415 | cryogenic check valve PN 50 |
| Connection ends | threaded |
| Construction length | factory standard |
| Attaching the lid | flanged |
| Execution | straight |
| Joining | threaded |
| Drive | independently |
| Working temp. [°C] | -196 °C / -321 °F |
| up to +120 °C / +248 °F | |
| DN | Thread Size (GW) | Size Code (.X.) | Construction Length (FF) | Height (H) | Weight (approx. kg) | Kvs Value (m³/h) | Cv Value (gal/min) |
|---|---|---|---|---|---|---|---|
| 10 | 1/4 | 0200 | 70 | 71 | 0.7 | 1.6 | 1.9 |
| 10 | 3/8 | 0300 | 70 | 71 | 0.7 | 2.2 | 2.6 |
| 15 | 1/2 | 0400 | 85 | 71 | 1.0 | 4.3 | 5.0 |
| 20 | 3/4 | 0600 | 100 | 72 | 1.3 | 6.7 | 7.8 |
| 25 | 1 | 1000 | 115 | 75 | 1.6 | 11.5 | 13.4 |
| 32 | 1-1/4 | 1200 | 130 | 95 | 3.9 | 20.6 | 23.9 |
| 40 | 1-1/2 | 1400 | 130 | 95 | 3.9 | 22.6 | 26.3 |
| 50 | 2 | 2000 | 155 | 95 | 5.7 | 37.1 | 43.2 |











