Cryogenic Valves
Cryogenic Safety Relief Valves
High-performance spring-loaded safety relief valves engineered for thermal relief and overpressure protection in liquid gas and cryogenic process networks.
OVERVIEW
Reliable Cryogenic Overpressure Protection
Our cryogenic safety relief valves are specifically designed to provide critical overpressure protection for storage tanks, pipelines, and equipment handling liquid gases (LNG, LOX, LN2, LH2) down to -196°C. Built with extended chambers to prevent spring freeze-up and preserve set-pressure accuracy, the range includes compact threaded thermal relief valves and high-capacity flanged safety valves, all cleaned and certified for oxygen and process services.
Key Features
- ✔️ Reliable Overpressure Protection
- ✔️ Ultra-Low Temperature Performance
- ✔️ Leak-Tight Safety Sealing
- ✔️ Corrosion-Resistant Construction
- ✔️ Ideal for LNG & Cryogenic Gases
Brand Partner
Technical Specifications
| Parameter | Details |
|---|---|
| Size Range | 1/2″ - 10″ (DN15 - DN250) |
| Pressure Rating | Up to 100 Bar (Class 150# - 1500#) |
| Temperature Range | -196°C to +150°C |
| Body Materials | Stainless Steel (CF8, CF8M, CF3M), Bronze (CC491K) |
| Trim Materials | Stainless Steel with Stellite overlay, PCTFE |
| Spring Material | Stainless Steel (SS302, SS316, 17-7 PH) |
| End Connections | Threaded (NPT/G), Flanged (ANSI, DIN), Socket Weld |
| Design Standards | API 520, API 526, ASME Sec VIII Div 1, ISO 4126 |
| Testing Standards | API 527 (Seat Tightness), BS 6364 |
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