DN50 PN40 Cryogenic Full-Lift Safety Relief Valve for Tanks, Skids / Pumps
DN50 PN40 Cryogenic Full-Lift Safety Relief Valve for Tanks, Skids / Pumps
Product Description:
Cryogenic Full Lift Safety Valve DN50 PN40 for cryogenic tank/skid/pump
Our DN50 PN40 Cryogenic Full-Lift Safety Relief Valve is engineered for uncompromising performance in the most demanding cryogenic environments. Constructed from premium SS304/316 stainless steel with a DA22F body, this valve ensures corrosion resistance and dimensional stability at temperatures down to –196 °C. Its full-lift design delivers rapid pressure relief, safeguarding tanks, skids, and pumps against overpressure events.
Technical Parameters:
| Certificate | Product Name | Temperature | Application | Pressure |
|---|---|---|---|---|
| ISO 9001, CE, EAC | Cryogenic Safety Valve | Cryogenic | LNG/LOX/LN2/LAR/LCO2 | PN16-40bar |
| Body | Size | Material | End Connection | Disc seal |
| SS304/316 | DN10-40mm | Stainless Steel | Thread | PTFE |
Applications:
The CNLN / Arman DA22F Cryogenic Safety Valve is engineered for the most demanding low-temperature and high-pressure environments.
LNG & LPG Processing: Ensures overpressure protection in liquefied natural gas and propane storage, transport, and regasification systems.
Industrial Gas Plants: Ideal for liquid oxygen, nitrogen, argon, and hydrogen handling in petrochemical, steel, and semiconductor facilities.
Aerospace & Defense: Reliable pressure relief for ground-support equipment and cryogenic test stands operating at temperatures down to –196 °C.
Medical & Laboratory: Safeguards liquid helium and nitrogen storage dewars used in MRI, cryopreservation, and superconducting research.
Energy & Refrigeration: Protects chillers, freezers, and cryogenic cooling loops in renewable energy, food processing, and cold-chain logistics.
Key attributes that make it the preferred choice across these sectors:
Robust Materials: SS304/316 internals with DA22F body ensure corrosion resistance and structural integrity at extreme cryogenic temperatures.
Wide Size Range: Available in DN10–40 mm to suit skids, pumps, tanks, and piping.
Certified Quality: Compliant with CE, ISO 9001, and EAC standards for safety, performance, and traceability.
High-Pressure Capability: Designed to PN1.6–4.0 MPa (with PN40 option) for reliable service under elevated pressures.
CNLN/Arman DA22F Cryogenic Safety Valve is a perfect choice for industries and sectors that need cryogenic temperature. It has an outstanding performance at all times and its stainless steel body makes it more durable and reliable.
Customization:
We provide customized cryogenic safety valve services with the brand of CNLN/Arman, model DA22F.
The place of origin is Chengdu, Sichuan, China, and the certificates are ISO 9001, CE, and EAC.
The pressure of the cryogenic safety valve is PN10-4.0Mpa, and the end connection is Thread.
The product name is Cryogenic Safety Valve, and the application is for LNG/LOX/LN2/LAR/LCO2.
If you need customized cryogenic safety valve services, please contact us!
Support and Services:
Our technical support and service for Cryogenic Safety Valve products includes:
- 24/7 online customer service
- Free installation and maintenance service
- Detailed product specifications and operator's manual
- Professional technical support
- On-site training and product introduction
- Customized product solutions and suggestions
Packing and Shipping:
Cryogenic Safety Valves are packaged to ensure that they arrive undamaged and are easy to install. The package includes the following items:
- Cryogenic Safety Valve
- Installation instructions
- Spare gaskets and O-rings
- Packaging material
Cryogenic Safety Valves are shipped using standard shipping methods such as air freight, ocean freight, or ground freight. The valves are shipped in a sturdy box or container to protect them from damage during transport.
FAQ:
- Q: What is CNLN/Arman Cryogenic Safety Valve?
A: CNLN/Arman DA22F Cryogenic Safety Valve is a safety valve designed for cryogenic applications. It is made in Chengdu -Sichuan-China and has a model number of DA22F . - Q: What are the features of CNLN/Arman Cryogenic Safety Valve?
A: CNLN/Arman Cryogenic Safety Valve features a low-temperature-resistant seat, a corrosion-resistant body, and a stainless steel spring. - Q: What is the size of the CNLN/Arman Cryogenic Safety Valve?
A: CNLN/Arman Cryogenic Safety Valve comes in various sizes, ranging from DN10-40mm - Q: What is the pressure rating of the CNLN/Arman Cryogenic Safety Valve?
A: The pressure rating of CNLN/Arman Cryogenic Safety Valve is up to 4.0Mpa - Q: Does the CNLN/Arman Cryogenic Safety Valve come with any accessories?
A: Yes, the CNLN/Arman Cryogenic Safety Valve comes with a mounting flange, a gasket, and nuts and bolts for easy installation.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.


