QF-2A Gas Cylinder Valve
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The QF-2A is a handwheel-operated cylinder valve for carbon dioxide service. It provides manual opening and closing at the cylinder.
The inlet, outlet and cone sealing interface are defined for connection matching. Review the specifications below when selecting the valve for your cylinder and connected equipment.
Key advantages
- Manual shut-off — Handwheel operation for opening and closing at the cylinder.
- CO₂ service — A model identified for carbon dioxide cylinder applications.
- Defined sealing interface — Cone connection details support checking the mating seal.
- Connection matching — Separate inlet and outlet designations support cylinder and equipment selection.
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Specifications
| Parameter | Value |
|---|---|
| Applicable medium | Carbon dioxide |
| Working pressure | 15 MPa |
| Gas-tightness test pressure | 18 MPa |
| Proof test pressure | 33.75 MPa |
| Safety device | 22.5 MPa |
| Cylinder / inlet connection | PZ27.8(25E) |
| Outlet connection | G5/8-14-RH-EXT |
| Connection sealing form | 60° cone seat |
| Valve structure | Pressure-sealed design |
| Body material | HPb59-1 |
| Seal material | Nylon 1010 |
| 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-2A | Carbon dioxide | 15 MPa | Pressure-sealed design | PZ27.8(25E) | G5/8-14-RH-EXT | 60° cone seat |
| 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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