This series of valve are widely used in industrial area such as long-distance pipeline, petroleum, natural gas, etc. Forged material is used in valve body to ensure the homogeneity under pressure resistance. Joint of valve body adopts welded connection to ensure that there is no potential leak risk in any working environment. It also extends the life of the valve. The design and manufacture of all-welded ball valve are coincided with the standards of ASME, API6D, and EN 13924.
Design Feature:
- Fully welded body, forged body and ball
- Full bore or reduced bore
- Flanged end or welding end
- Double block and bleed
- Seat function: single piston effect; double piston effect
- Automatic internal relief of body pressure
- Emergency sealant injection system
- Fire safe design
- Anti-static device
- Anti-blow out stem design
- Body vent device
- Sour service: materials for pressure-containing and pressure-controlling parts and bolting shall meet the requirements of NACE MR0175
Product Range:
- Size: NPS 2”- 48”, DN 50 -1200
- Pressure rating: class150-2500, PN 6-420
- Basic design: API6D, EN 13942
- Face to face dimensions: ASME B16.10
- Face to face dimensions: EN 558-1(flanged ends), EN 12982(welding ends)
- Connecting dimensions: ASME B16.5(≤24” flanged ends), ASME B16.47(≥26” flanged ends), ASME B16. 25(welding ends)
- Connecting dimensions: EN 1092-1 (flanged ends), EN 12627 (welding ends)
- Operation: lever, worm gear, electric actuator, pneumatic actuator, hydraulic actuator, gas over oil actuator
- Body Material: A216-WCB (Carbon Steel), A217-WC6 (1-1/4Cr-1/2Mo), A217-WC9 (2-1⁄4Cr–1Mo), A217-C5 (5Cr–1⁄2Mo), A217-C12 (9Cr–1Mo), A352-LCB (Carbon Steel), A352-LCC (Carbon Steel), A351-CF8M (18Cr–9Ni–2Mo), A351-CF3M (18Cr–9Ni–2Mo)
Design Specifications:
- Design: API599 API6D
- Pressure-temperature rating: ASME B16.34
- Face-to-face dimensions for butt weld and flanged valves: ASME B16.10
- Flange design: ASME B16.5
- Butt welding design: ASME B16.25
Pressure Testing:
Each valve is pressure tested in accordance with API 6D, API 598, or special customers' requirements as applicable.
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