Roots vacuum pump in addition to the limit depends on the pump itself outside the structure and manufacturing precision Roots vacuum pumps, also depends on the ultimate vacuum pump before. To improve the ultimate vacuum pumps, vacuum pumps can be used in tandem. Roots pump works with the Roots blower similar. Due to the continuous rotation of the rotor, gas is drawn from the intake port into the space v0 between the rotor and the casing, and then is discharged through the exhaust port. Because after breathing v0 space is completely closed state, so there is no gas in the pump chamber compression and expansion. But when the top edge of the rotor turned vent, when v0 space communicates with the exhaust side Roots vacuum where the most expensive due to the high side of the exhaust gas pressure, then rushed back to where some of the gas space v0 go Roots The cheapest pump the gas pressure suddenly increased. As the rotor continues to rotate, the gas is discharged out of the pump. Roots pump in the pump chamber, there are two "8" shaped rotor mounted perpendicular to each other a pair of parallel shafts, by a pair of transmission gears 1 reverse driven for synchronous rotational movement of each ratio. Between the rotor, between the rotor and the inner wall of the pump housing where the Roots vacuum pump is preferably, maintaining a certain clearance, can achieve high speed operation. BZJ series multi-stage Roots pump main features: 1, no oil and water pumping chamber, no secondary pollution; 2, compared with two single-stage pump series, compact, small footprint; 3, fewer parts easy maintenance and repair, reduces the cost where Roots Roots vacuum pump cheapest _ _ Zhucheng East Machinery Co., Ltd. is provided by John Han Machinery Co., Ltd. Zhucheng East. Zhucheng East Han Machinery Co., Ltd. (www.dhlcfj.com) (www.dhlcfj.com) strong, credible, Shandong Weifang fan, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the East Han Machinery Co., Ltd. Zhucheng and you hand into the brilliant, for a better future! You can also access (www.dhlcfj.com/supply_details_44533165.html), for more information about the company.