1. Product introduction:
Roots vacuum pump (also known as negative pressure fan) refers to a variable volume vacuum pump with two blade-shaped rotors rotating synchronously in opposite directions, and there is a small gap between the rotors and the inner wall of the pump shell. It is a kind of vacuum pump without internal compression. Usually, the compression ratio is very low. Therefore, high and medium vacuum pumps need front-stage pumps. Vacuum pumps with air pumping are realized by pushing a pair of bladed rotors synchronously and reversely in the pump chamber to move the gas. It refers to a mechanical vacuum pump with a pair of sole-shaped rotors which rotate synchronously and at high speed. This pump can not be pumped separately. The front stage needs to be equipped with oil seals and water rings to discharge air directly.
Quick start-up, less power consumption, low operation and maintenance costs, high pumping speed, high efficiency, insensitive to a small amount of steam and dust contained in the exhausted gas, has a larger pumping speed, can quickly eliminate sudden gas release. This pressure range is just between the oil-sealed mechanical vacuum pump and the diffusion pump. Therefore, it is often connected in series between the diffusion pump and the oil-sealed mechanical vacuum pump to increase the pumping capacity in the middle pressure range. At this time, it is also called mechanical booster pump.
Notice for Purchasing Roots Fans for Vacuum Pumping of Roots Vacuum Pumps
Main engine, motor, vacuum safety valve, vacuum pressure gauge, filter, transmission, protective cover, foot bolt, frame, exhaust muffler, elastic joint, one-way valve.
Optional accessories (matching according to contract requirements)
Imported muffler, elbow, tee pipe, sound insulation cover, shock absorber pad, etc.