The poppet valve with with diaphragm seal for control of air or water is suitable for all-purpose use with either medium.
| Type code | VZWM |
|---|---|
| Design | Poppet valve with diaphragm seal |
| Actuation type | Electrical |
| Sealing principle | Soft |
| Mounting position | Preferably upright |
| Type of mounting | Line installation |
| Fitting connection | G1 1/2 |
| Electrical connection | Solenoid coil type MH-… , coil can be ordered as an accessory |
| Nominal width | 40 mm |
| Valve function | 2/2, closed, monostable |
| Flow direction | Non-reversible |
| Medium | Neutral liquidsInert gasWaterCompressed air as per ISO 8573-1:2010 [7:4:4] |
| Medium pressure of liquid media | 0.7 bar … 6 bar |
| Medium pressure of gaseous media | 0.7 bar … 10 bar |
| Differential pressure | 0.7 bar |
| Type of control | Pilot-controlled |
| Symbol | 00995681 |
| Max. viscosity | 22 mm²/s |
| Temperature of medium | -10 °C … 60 °C |
| Temperature of liquid media | 5 °C … 50 °C |
| Ambient temperature | -10 °C … 60 °C |
| Flow rate Kv | 27.4 m³/h |
| Standard nominal flow rate | 26400 l/min |
| On switching time | 26 ms |
| Response time “on” for liquid media | 1400 ms |
| Switching time off | 20 ms |
| Response time “off” for liquid media | 2000 ms |
| b-value | 0.67 |
| C value | 82 l/sbar |
| Note on materials | RoHS-compliantContains paint-wetting impairment substances |
| Housing material | Cast stainless steel |
| Material number of housing | 1.4581 |
| Seals material | NBR |
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