TK-Fujikin Hydrogen Soft Seal Check Valve – PEEK Seat
High-pressure hydrogen soft-seal check valve with PEEK seat-to-metal sealing for hydrogen systems.
Product Information

TK-Fujikin Hydrogen Soft Seal Check Valve – PEEK Seat
The TK-Fujikin Hydrogen Soft Seal Check Valve – PEEK Seat
is designed to control one-way hydrogen gas flow and prevent reverse
flow in high-pressure hydrogen systems. The THCV Series features
a PEEK-to-metal sealing design and stainless steel construction,
making it suitable for hydrogen refueling stations, gas distribution
systems and hydrogen energy applications.
Key Features
- Designed for high-pressure hydrogen applications
- PEEK seat with metal sealing surface
- Automatic one-way flow control
- Helps prevent reverse gas flow
- Pressure ratings up to 1,380 bar, depending on series
- ASTM A479 316/316L stainless steel construction
- Nominal cracking pressure below 3 bar (43 psi)
- Compact design for high-pressure gas systems
- KS B ISO 19880-3 certification for applicable XM Series
Technical Specifications
| Product Type | Hydrogen Soft Seal Check Valve |
| Manufacturer | TK-Fujikin |
| Series | SS-THCV-H / SS-THCV-XM |
| Valve Type | Non-Return / Check Valve |
| Working Pressure | Up to 1,380 bar (H Series) / 700 bar (XM Series) |
| Temperature Range | -40°C to +85°C |
| Body Material | ASTM A479 316/316L Stainless Steel |
| Seat Material | PEEK |
| Sealing Type | PEEK-to-Metal Seal |
| Cracking Pressure | Nominally Less Than 3 Bar |
| Connection Size | 1/4″ to 1″ (H Series); 1/4″ to 3/4″ (XM Series) |
| Connection Type | Cone and Thread |
| Applicable Gas | Hydrogen (H2) |
| Certification | KS B ISO 19880-3 (Applicable XM Series) |
Applications
- Hydrogen refueling stations
- High-pressure hydrogen gas distribution systems
- Hydrogen storage and supply equipment
- Hydrogen fuel cell systems
- Hydrogen compressor and filling systems
- Industrial hydrogen handling applications
- OEM hydrogen equipment and assemblies
For pricing, availability, model selection and connection requirements,
contact PRAMA Instruments Pvt. Ltd. for TK-Fujikin
hydrogen check valve solutions.


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