QF-30A Gas Cylinder Valve
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The QF-30A is a cylinder valve for hydrogen service. It uses a pressure-sealed construction.
This version has a left-hand outlet connection. Check its thread designation and sealing interface against the mating equipment; models in the same family are not automatically interchangeable.
Key advantages
- Hydrogen — A cylinder-valve configuration for hydrogen service.
- Separate connection references — Defined inlet and outlet references support checking both sides of the installation.
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Specifications
| Parameter | Value |
|---|---|
| Applicable medium | Hydrogen |
| Working pressure | 15 MPa |
| Gas-tightness test pressure | 18 MPa |
| Proof test pressure | 33.75 MPa |
| Safety device | No safety device |
| Cylinder / inlet connection | PZ27.8(25E) |
| Outlet connection | W21.8-14-LH-EXT |
| Connection sealing form | 60° cone seat / flat-face seal |
| Valve structure | Pressure-sealed design |
| Body material | HPb59-1 |
| Stem material | HPb59-1 |
| Handwheel material | ZL102 |
| Temperature range | -40 °C to 60 °C |
| Manufacturing standard / reference | GB/T 15382 |
Technical Illustration
For reference. Not to scale.
Product Configurator
| Model | Gas | Working pressure | Operation / structure | Inlet | Outlet | Sealing |
|---|---|---|---|---|---|---|
| QF-30A | Hydrogen | 15 MPa | Pressure-sealed design | PZ27.8(25E) | W21.8-14-LH-EXT | 60° cone seat / flat-face seal |
| Your request |
Special requirements are subject to technical confirmation. Your requests do not change the standard product specifications.
Company catalogue
No approved company catalogue is currently available. You can request specific product documents through Technical Matching.
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