A sensor in the suction line detects any occuring liquids and triggers the alarm. Both the pressure controlled alarm and the alarm triggered by the liquid sensor result in a shutoff of the vacuum pump and in the closing of the solenoid valves in the suction and measuring line.
VL 255 PMMV
Si: service indication
- Flat bottom tanks with a double-walled bottom
- Underpressure resistance of interstitial space: > -650 mbar
Water-polluting liquids with a flash point > 60 °C (for Germany > 55 °C acc. TRBS and TRGS) where no explosive vapor-air mixtures occur.
Outside Ex areas
HOUSING / IP RATE / TEMPERATURE RANGE:
ss-box: stainless steel box / IP 54 / -40 °C .. +60 °C
ss-fu6/4: stainless steel flared union for the connection of the installation kit solenoid valve 190290
The requirements of the respective documentation must be observed!