HVG INDUSTRIAL VALVES 0037: Pneumatic/Electric ordinary type butterfly valve
Advantage: compact structure, small size and light, small friction resistance, small return difference, stable motion
Application: used to large caliber, large flow, low pressure difference and normal leakage requirement.
| Nominal dimension (mm) | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | |
| Flow coefficient (Kv) | 90o | 275 | 480 | 770 | 1100 | 1970 | 3000 | 4460 | 5840 | 7720 | 9440 | 12000 |
| 60o | 136 | 239 | 365 | 525 | 890 | 1460 | 2130 | 2830 | 3730 | 4270 | 5840 | |
| Nominal dimension (mm) | 600 | 700 | 800 | 900 | 1000 | 1200 | 1300 | 1500 | 1600 | 1800 | 2000 | |
| Flow coefficient (Kv) | 90o | 17600 | 24000 | 31200 | 39400 | 48900 | 69500 | 81500 | 107300 | 126000 | 159000 | 197200 |
| 60o | 8410 | 12000 | 14800 | 19700 | 23200 | 33900 | 39500 | 52300 | 61100 | 77200 | 95600 | |
| Rated travel | Regulating type: 70o, two position: 90o | |||||||||||
| Flow characteristics | Equal percentage | |||||||||||
| Nominal pressure | 0.6, 1.0, 1.6MPa | |||||||||||
| Rangeability | 70o 12:1; 90o 30:1 | |||||||||||
| Action type | Pneumatic: pneumatic to open or close; Electric: electric to open or close | |||||||||||
| Flange standard | Clamp: JB78-59, JB79-59, JB/T79.1-94, JB/T79.2-94, ANSI, JIS, DIN | |||||||||||
