NF-15A (Stainless Steel) Diaphragm Valve
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The NF-15A (Stainless Steel) is a diaphragm-sealed cylinder valve for high-purity gas applications. It uses a flat-face sealing interface.
The specified 316L body and glass-fibre-filled PTFE seal identify this stainless-steel configuration. Include the gas composition and purity requirements with your enquiry.
Key advantages
- High-purity gas application — For high-purity gas applications. Include the gas composition and service requirements with your enquiry.
- Diaphragm-sealed layout — A diaphragm-sealed construction for the stated gas application.
- 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 |
|---|---|
| Model | NF-15A (Stainless Steel) |
| Applicable medium | High-purity gases |
| Working pressure | 20 MPa |
| Gas-tightness test pressure | 24 MPa |
| Proof test pressure | 45 MPa |
| Safety device | No safety device |
| Cylinder / inlet connection | 3/4-14NGT |
| Outlet connection | 0.825-14NGO-LH |
| Connection sealing form | Flat-face seal |
| Valve structure | Diaphragm-sealed design |
| Body material | 316L |
| Seal material | Glass-fibre-filled PTFE |
| 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 |
|---|---|---|---|---|---|---|
| NF-15A不锈钢 | High-purity gases | 20 MPa | Diaphragm-sealed design | 3/4-14NGT | 0.825-14NGO-LH | 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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Regarding: NF-15A不锈钢 · High-purity gases · 20 MPa
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