2BED series two-stage high-efficiency water ring vacuum pump is a high-efficiency water ring vacuum pump developed on the basis of 2BE1 series products. The ultimate pressure of the 2BE1 series vacuum pump is 3300Pa, and the ideal working pressure range is 20Kpa-100Kpa.

The 2BED series two-stage water ring vacuum pump is suitable for working conditions with suction pressure of 16KPa~2KPa, and can maintain a large pumping speed. With a first-stage atmospheric jet pump, the limit vacuum can be increased to 1.33KPa.

 

The suction and exhaust working principle of the 2BED two-stage high-efficiency water ring vacuum pump is the same as that of the 2BE1 single-stage water ring vacuum pump. When the impeller rotates, the inner wall of the cavity forms an eccentric water ring with the impeller, which is filled with water between the blades. With the rotation of the impeller, the blades continue to reciprocate periodically. Change the volume in the middle of the blade, and with the corresponding cooperation of the fixed suction port and the exhaust port, the suction, compression and exhaust processes are completed. The function of the two stages is that the gas discharged through the compression of the first stage is sucked into the suction port of the second stage, and then discharged after further compression of the second stage. The function of the second stage is to reduce the exhaust pressure of the first stage to improve the vacuum degree of the suction port of the first stage. And reduce the differential pressure backflow in the pump.

Features

● 200-7500m ³/h various specifications to meet the needs of various working conditions;

● According to different media, carbon steel, stainless steel, duplex steel, titanium, Hastelloy and other materials can be selected;

● The shaft adopts the fully covered structure of the shaft sleeve to prevent the corrosion of the medium to the shaft;

● Impeller locking method for bushing leading out of pump cavity, reliable impeller locking device;

● Mechanical seal at both ends, a variety of flushing options;

● Standard anti-cavitation device;

● Reliable performance, high efficiency and energy saving;

● Precision castings, imported bearings, high-standard accessories;

● As a pre-pump of Roots vacuum pump, the use effect is particularly ideal.

The 2BED series two-stage water ring vacuum pump is widely used in vacuum evaporation, vacuum concentration, vacuum resurgence, vacuum drying and vacuum smelting in the fields of chemical, pharmaceutical, food, textile, metallurgy, and electronics industries.