HVG INDUSTRIAL VALVES 0035: Pneumatic/Electric baffle butterfly valve
Advantage: compact structure, small size and light, small friction resistance, small return difference, stable motion
Application: used to large caliber, large flow, medium and high temperature, strict leakage requirement.
| Nominal dimension (mm) | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | 1200 | 1400 | 1500 | |
| Flow coefficient (Kv) | 90o | 725 | 1290 | 2190 | 3350 | 4270 | 6350 | 7810 | 9870 | 14600 | 20500 | 27400 | 35900 | 42000 | 62600 | 82600 | 98700 |
| 60o | 370 | 645 | 1180 | 1700 | 2030 | 3090 | 3820 | 4720 | 7120 | 9700 | 12500 | 16300 | 20000 | 28800 | 39600 | 44900 | |
| Rated travel | Regulating type: 60o, two position: 90o | ||||||||||||||||
| Flow characteristics | Equal percentage | ||||||||||||||||
| Nominal pressure | 0.6, 1.0, 1.6MPa | ||||||||||||||||
| Rangeability | 60o 15:1; 90o 30:1 | ||||||||||||||||
| Product model | Pneumatic | ZSRWD (GIX, AL etc pneumatic piston actuator) | |||||||||||||||
| Electric | ZDRWD (UNIC, PSQ, HQ, DHL etc electric actuator) | ||||||||||||||||
| Action type | Pneumatic: pneumatic to open or close; Electric: electric to open or close | ||||||||||||||||
| Flange standard | Clamp valve or flange connection: JB78-59, JB79-59, JB/T79.1-94, JB/T79.2-94, ANSI, JIS, DIN | ||||||||||||||||
