Trunnion Type Fully Welded Ball Valve with Turbine Head - 4.0MPa Pressure Rating, DN150-1200 Sizes
Trunnion mounted fully welded ball valve with turbine head operation, designed for direct burial applications in industrial pipeline systems. Features zero external leakage and high-pressure capability up to PN25.
- Fully welded construction eliminates external leakage and casting defects
- Computer-tracked sphere processing ensures high precision and smooth operation
- 25% Carbon RPTFE sealing ring guarantees zero leakage performance
- Direct burial capability reduces installation costs and construction time
- Pressure rating up to PN25 (4.0MPa) with service life exceeding 20 years
- Compact valve body design with adjustable stem height and body length
- Spring-loaded seat design adapts to pressure and temperature variations
Valve Type: Trunnion Mounted Ball Valve
Connection: Welding
Nominal Pressure: 1.6MPa / 2.5MPa / 4.0MPa
Temperature Range: ≤250℃
Design Standard: GB/T 12237
Testing Standard: GB/T 26480
- Valve Body/Bonnet: A105, 304, 316A
- Valve Disc: A105+Cr or 2Cr13 nitriding, 304 spraying, 316 spraying
- Valve Stem: 2Cr13, 304, 316
- Packing: Flexible Graphite
| DN | L (mm) | H (mm) | A (mm) | B (mm) |
|---|---|---|---|---|
| 150 | 457 | 340 | 172 | 154 |
| 200 | 521 | 410 | 223 | 203 |
| 250 | 559 | 470 | 278 | 255 |
| 300 | 635 | 525 | 329 | 305 |
| 400 | 838 | 675 | 413 | 387 |
| 500 | 991 | 900 | 516 | 489 |
| 600 | 1143 | 1075 | 619 | 591 |
| 700 | 1346 | 1200 | 721 | 695 |
| 800 | 1524 | 1350 | 825 | 797 |
| 1000 | 1900 | 1800 | 1020 | 995 |
| 1200 | 2180 | 2100 | 1220 | 1195 |
- City gas distribution pipelines and supply networks
- Central heating systems and thermal power plants
- Heat exchanger circuits and industrial process lines
- Steel plant fluid handling and exhaust systems
- Various industrial gas and heat transfer applications
Lead Time: Customized valves 30-45 days; Stock valves within 5 days
Payment: 30% advance payment required for production orders
For custom requirements, please specify: structure length, connection type, nominal diameter, media conditions, and testing standards.
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