Butt Weld Worm Gear Driven Three Eccentric Butterfly Valve For Power Station
Basic Parameters
- Size range: 2”-24”(50mm-600mm)
- Pressure class: Class 150, Class 300, Class600, PN25, PN40, PN63
- Connection type: wafer, lug, double flanged, butt-welded
- Working temperature:-196°C-+165°C(-321°F-+1202°F)
- Drive type: worm gear, pneumatic, electric, and hydraulic.
- Applicable medium: applicable for the pressures ranging from vacuum to high pressure, Cryogenic to ultra-high temperature and other kinds of applications
Standards and Specifications
-
- Design and manufacture standard: API609,MSS SP-68,BS EN 593
- Temperature and pressure rate conform to: ASME B16.34
- Low temperature standard: BS 6364,MS SP-134
- Drive flange conform to: BS EN ISO 5211
- Connection flange conform to : ASME B16.5,ASME B16.47,ISO7005,EN1092
- Face to face conform to : API609,MSS SP-68,ISO5752,EN558
- Inspection and testing standard conform to: API 598,ISO5208
- Fireproofing test conform to: BS EN ISO 10497,API607,API F6A
- Valve mark conform to: MSS-SP-25
- Dissipation discharge test: API622,API 624 ,ISO/CD 15848,EPA Method2
Drawings & Dimensions
| DN | L | A | B | H | H1 | H2 | Do |
| 3" | 180 | 91 | 78 | 335 | 210 | 135 | 160 |
| 4" | 190 | 117 | 102 | 360 | 210 | 140 | 160 |
| 5" | 200 | 144 | 128 | 430 | 240 | 170 | 280 |
| 6" | 210 | 168 | 154 | 450 | 260 | 170 | 280 |
| 8" | 230 | 223 | 203 | 495 | 310 | 200 | 250 |
| 10" | 250 | 278 | 255 | 520 | 345 | 235 | 320 |
| 12" | 270 | 329 | 303 | 630 | 420 | 280 | 320 |
| 14" | 290 | 362 | 339 | 660 | 455 | 310 | 320 |
| 16" | 310 | 413 | 388 | 725 | 490 | 345 | 320 |
| 18" | 330 | 464 | 438 | 760 | 515 | 380 | 320 |
| 20" | 350 | 516 | 489 | 830 | 560 | 400 | 400 |
