HVG INDUSTRIAL VALVES 0056: ZJHN Pneumatic Diaphragm Control Valves
Advantage: small size, light, simple installation and maintenance
Application: used to clean medium with large pressure difference and low leakage requirement.
| Nominal dimension (mm) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | ||||||||||||||||
| Seat diameter (mm) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | ||||||||||||||||
| Flow coefficient Kv | 10 | 16 | 25 | 40 | 72 | 100 | 160 | 250 | 400 | 630 | 1000 | 1600 | ||||||||||||||||
| Rangeability | 30:1 | |||||||||||||||||||||||||||
| Nominal pressure | 1.6, 4.0, 6.4MPa | |||||||||||||||||||||||||||
| Valve core | Twins seat plunger type | |||||||||||||||||||||||||||
| Flow characteristics | Linear, logarithm | |||||||||||||||||||||||||||
| 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. | |||||||||||||||||||||||||||
