Airtight Teflon Seat Gas Ball Valve DN40 1000mm PN2.5Mpa for Natural Gas Pipeline Systems
The Airtight Teflon Seat PN2.5Mpa DN40 Gas Ball Valve is a fully welded, corrosion-resistant valve designed for natural gas transmission pipelines. Featuring a welded body construction and advanced sealing technology, this valve ensures zero external leakage for critical gas applications.
| Specification | Details |
|---|---|
| Size Range | 1/2" - 64" (DN40 - 1000mm) |
| Pressure Rating | 150Lb - 2500Lb (PN2.5Mpa) |
| Temperature Range | -46°C to 200°C |
| Design Standards | API6D, API608, BS5351, ASME B16.10, ASME B16.34 |
| Main Materials | A105, LF2, LF6 carbon steel |
| Seat Materials | PTFE, RPTFE, Nylon, Devlon, PEEK, Hard sealing |
| Operation Methods | Manual, Electric, Pneumatic, Gas over oil, Electro-hydraulic |
- Fully welded body construction with one or two welding lines
- Airtight carbon-reinforced PTFE (Teflon) seat for superior sealing
- Anti-static design and anti-blow-out stem for enhanced safety
- Preloaded seat cushion springs ensure tight sealing at low temperatures
- Double O-ring stem seals with replaceable components
- Fire-safe certified to API6A/API607 standards
- NACE MR0175/ISO15156 compliant for sour service applications
- Available in floating mounted ball or trunnion mounted ball designs
- DBB/DIB/Double piston configurations for pipeline isolation
This fully welded ball valve is primarily designed for natural gas transmission pipelines, oil and chemical transmission systems, and water pipelines. Suitable for both above-ground and buried installations.
- Color customization and OEM services available
- Extended stem and port connection pipe lengths
- Complete flange and bolt packages provided
- Wearing parts supplied according to customer requirements
- New product development based on specific customer needs
When placing your order, please specify: valve type, specification, material, nominal pressure, working pressure and temperature, and maximum flow rate requirements.
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