一、Features: 
1. The equipment is equipped with energy-saving liquid ring vacuum pump which is highly efficient and energy-saving;
2. Automatic detection of gas concentration, alarm of overconcentration and automatic stop;
3. Internal cooling water protection device is installed to ensure the safe operation of liquid ring vacuum pump; once the water is cut off, the pump will stop automatically with high sensitivity.
4. Equipped with steam separator to automatically control the liquid level;
5. Motor startup is provided with protection of over-voltage, over-current, overheating and missing.
6. The air inlet is equipped with a protective screen to prevent sundries from entering the pump;
7. The pipeline gas detector is designed to realize uninterrupted detection, which can prevent the existing form and amount of gas emitted in the mining area.
二、Model Description: 

For example: ZWY 60/90-g

ZWY- mine mobiles gas pumping station

60- maximum pumping capacity (m3/min)

90- matching motor power (KW)

G- chassis: G- rail, P - plate

三、Spectrogram: 
四、Application field: 
Coal mine: mine gas drainage