QF-23 Gas Cylinder Valve
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The QF-23 is a cylinder valve for oxygen, nitrogen and air service. It combines a pressure-sealed construction with a flat-face sealing interface.
Check the stated cylinder connection and sealing arrangement for your installation. Include the mating equipment and any additional connection requirements with your enquiry.
Key advantages
- Specified gas service — A cylinder-valve configuration for oxygen, nitrogen and air service.
- Flat-face mating interface — Match the flat sealing face as well as the connection designation when selecting mating equipment.
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Specifications
| Parameter | Value |
|---|---|
| Applicable medium | Oxygen, Nitrogen, Air |
| 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) |
| Connection sealing form | Flat-face seal |
| Outlet connection designation | W21.8-14 RH EXT |
| 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 designation | Sealing |
|---|---|---|---|---|---|---|
| QF-23 | Oxygen, Nitrogen, Air | 15 MPa | Pressure-sealed design | PZ27.8(25E) | W21.8-14 RH EXT | 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.
Need this product’s specifications? Print / Save PDF — no form required.
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