High-Performance Low-Temperature Liquid Hydrogen LH2 Valve :


The liquid hydrogen control valve is designed for extreme low-temperature conditions. It is made from materials that can withstand extremely low temperatures, ensuring tight external leakage control and excellent seat sealing.
Nominal Diameter | DN10~DN50 |
Nominal Pressure | Class 150, Class 300 |
Operating Temperature | -269°C to 80°C |
Connection Type | Welded |
Body Material | 316L |
Internal Components Material | 316L |
Flow Characteristics | On/Off |
Leakage Class | VI |

Operating Temperature | 20K |
Stem Length | 300mm |
Medium Type | Liquid hydrogen |
Nominal Diameter | DN20 |
Nominal Pressure | PN25 |
Internal Leakage Rate | <10-7Pa·m3/s |
External Leakage Rate | <10-9Pa·m3/s |







Hydrogen valves are used in the storage, transportation, and transfer of liquid hydrogen to precisely control its flow and
pressure, ensuring system safety and stability. They can automatically close in emergencies to prevent leaks and provide
convenient isolation during system maintenance. Valves also regulate flow to support hydrogen processing and ensure stable fuel supply in applications such as hydrogen fuel cells.


1. Valve products: if there is a specified model standard, please consult for details;
2. Technical support: if no specific product specifications, please send us working conditions requirements, design drawings,technical specifications;
3. Ordering parameters: Diameter (DN), nominal pressure (MPa), temperature (ºC), connection mode (thread, flange, clamp, etc.);
4. Product driving mode: manual, worm gear, pneumatic, electric, etc.;
5. Product standard: GB, JIS, ANSI, DIN, BS, EN, etc.;
6. Confirmation of quotation: the company will provide the quotation list and technical standard description to the customer for confirmation, and the contract will be drawn up after the confirmation of all technical aspects of both parties;
7. Valve quality requirements, quality standards and conditions for the supplier to be responsible for quality: in accordance with the relevant agreed quality standards.

