HVG INDUSTRIAL VALVES 0057: ZJHP Pneumatic Diaphragm Control Valve
Advantage: small size, light, large flow, large rangeability
Application: used to clean medium with low leakage requirement and low differential pressure.
| Nominal dimension (mm) | 20 | 25 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | ||||||
| Seat diameter (mm) | 10 | 12 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |
| Flow Kv | Linear | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 400 | 630 | 940 | 1200 |
| Equal percentage | 1.6 | 2.5 | 4 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 360 | 570 | 850 | 1050 | |
| Rangeability | 30:1 ; 50:1 | ||||||||||||||||
| Nominal pressure | 1.6, 4.0, 6.4MPa | ||||||||||||||||
| Core type | Single seat plunger type | ||||||||||||||||
| Flow characteristic | Linear, equal percentage | ||||||||||||||||
| Action type | Pneumatic to open, pneumatic to close | ||||||||||||||||
| Working temperature | Ordinary model:-40~230°C, Radiation model:230~450°C, Special ordering:450~600°C | ||||||||||||||||
| Flange standard | JB78-59, JB79/59, JB/T79.1-94, JB79.2-94, ANSI, JIS, DIN | ||||||||||||||||
| Actuator | ZHA/B type multi spring pneumatic actuator | ||||||||||||||||
| Available parts | Positioner, solenoid valve, air filter pressure reducing valve, limit switch, valve location feedback device, emergency reaction device, hand wheel etc. | ||||||||||||||||
