2BC water ring vacuum pump (also known as vacuum devices, vacuum stations, etc. occur) is 1-3 Taiwan Direct-water ring vacuum pump as vacuum equipment, vacuum canister vacuum storage buffer device as a complete system. Vacuum tank and intelligent control cabinet can always automatically vacuum constant at the set range, to ensure that the use of instant access to a high vacuum. Therefore, especially for frequent irregular use of a vacuum source and the need to quickly get under a high vacuum of occasions. Compared to a single water ring vacuum pumps, water ring vacuum pump unit has been without a full load operation, significant savings in energy, and improve the life of the vacuum pump. The device can provide a vacuum source for medical gas hub for all types of domestic and medium-sized hospitals, and is widely used in vacuum forming chemical, pharmaceutical industry, vacuum station, light industry, canning system, rubber engineering parts of the automotive industry, coal mine with flame-retardant conveyor belt vacuum impregnation and foundry industry sources. Works 1, a vacuum pump system set up upper and lower limits (eg the upper limit is set to -0.09MPa, the lower limit is set to -0.08MPa), after starting the system, the vacuum pump pumped cap automatic shutdown, vacuum system below the lower limit automatically. Vacuum pump can also manually start and stop. 2, two pump vacuum system set up upper and lower limit (for example, the upper limit is set to -0.09MPa, the lower limit is set to -0.08MPa), after starting the system, in which a vacuum pump work until vacuum vacuum tank reaches the upper limit -0.09MPa, pump automatically stops running at this time, the vacuum tank vacuum automatic cutoff valve by the vacuum, the vacuum tank as a result of work demands a degree of vacuum falls below the lower limit -0.08MPa when the other pump starts automatically until the vacuum degree of vacuum tank upper limit -0.09MPa pumped up, so the cycle repeated automatic operation, the degree of vacuum in the vacuum tank is always maintained between the upper and lower limit. When demand for gas as a result of the work of a large vacuum tank vacuum of less than the lower limit value over a certain time, and a single vacuum pump can not be evacuated to a vacuum of the tank above the lower limit, the other pump will start automatically until exceeded. Two vacuum pump can also be switched to manual start and stop. Structural features may use more than one parallel, to make up for insufficient gas pumps use single defect. The device in the absence of operation of the system of automatic control, power can be automatically closed when the vacuum system. Automatic adjustment system always vacuum, ensuring fast reach high vacuum state using the device. Tanks and separator integrated design, while ensuring the separation of air re-use of water resources. Vacuum tank according to the site design for the horizontal and vertical structure, flexible installation. Performance Table Unit Type Model Power kW vacuum pump ultimate vacuum range MPa MPa vacuum tank volume m3 Interface diameter mm 2BC-0.3A 2BC-27 × 2 sets of 1.1kW × 2 0-0.090 -0.098 0.3 40 2BC-0.3B 2BC-52 × 2 sets of 1.5kW × 2 2BC-0.5A 2BC-52 × 2 sets of 1.5kW × 2 0.5 50 2BC-0.5B 2BC-80 × 2 table 3kW × 2 2BC-1.0A 2BC-52 × 2 sets of 1.5kW × 2 1 80 2BC-1.0B 2BC-80 × 2 table 3kW × 2 2BC-1.0C 2BC-160 × 2 table 4kW × 2 2BC-1.5A 2BC-160 × 2 table 4kW × 2 1.5 80 2BC-1.5B 2BC-230 × 2 sets of 5.5kW × 2 2BC-1.5C 2BC-280 × 2 sets of 7.5kW × 2 2BC-2.0A 2BC-230 × 2 sets of 5.5kW × 2 2 100 2BC-2.0B 2BC-280 × 2 sets of 7.5kW × 2 2BC-2.0C 2BC-400 × 2 table 11kW × 2 2BC-3.0A 2BC-230 × 2 sets of 5.5kW × 2 3 100 2BC-3.0B 2BC-400 × 2 table 11kW × 2 2BC-3C 2BC-500 × 2 15kW × 2 2BC-5A 2BC-400 × 2 table 11kW × 2 5 150 2BC-5B 2BC-500 × 2 table 15kW × 2 2BC-5C 2BC-500 × 3 sets of 15kW × 3