Roots vacuum pump is characterized by: start fast, low power consumption, low operating and maintenance costs, pumping speed, high efficiency Roots vacuum pump wholesale, insensitive pumped gas contained small amounts of water vapor and dust, in 100 to 1 Pa greater pressure within the pumping speed range, can quickly rule out a sudden release of gas. This happens in the pressure range between oil seal mechanical pump and diffusion pump. Thus Roots vacuum wholesale phone, it is often connected in series between the diffusion pump and mechanical seal pumps, used to increase the range of the intermediate pressure exhaust volume. In this case it is called a mechanical booster pump. Roots vacuum pump structural characteristics: 1, in a wide pressure range has a higher pumping speed; 2, the rotor has a good geometric symmetry, so little vibration, smooth operation between the rotor and the rotor and the housing between both. Roots vacuum gap, no lubrication, low friction losses, can greatly reduce the driving power, enabling high speed; 3, the pump chamber without Roots vacuum sealing and lubrication oil wholesale, can reduce oil vapor vacuum system pollution; 4, the pump chamber without compression, no exhaust valve structure is simple, compact, and has been pumping gas for dust and water vapor insensitive; 5, Roots vacuum pumps at home and abroad in recent years has been rapid development. In refining, petrochemical, electrical, electronics and other industries has been widely used. Roots vacuum lifting and transportation Note 1. Roots vacuum machine lifting methods should be appropriate. 2. lifting capacity spreader and lifting equipment to adapt to the weight of the vacuum pump. 3. spreader to be long enough that the spreader angle is less than 90 degrees. 4. Select the appropriate lifting points. 5. Place the spreader must be correct in order to ensure smooth lifting. 6. Check the integrity of the spreader. 7. Make sure the lifting capacity of lifting equipment! Roots vacuum pump manufacturers, wholesale, Zhucheng East Han Machinery Co., Ltd., Wuhan Roots vacuum provided by Han Machinery Co., Ltd. Zhucheng East. Zhucheng East Han Machinery Co., Ltd. (www.dhlcfj.com) (www.dhlcfj.com) is an industry leader in Shandong Weifang, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. John in Zhucheng East Machinery Co., Ltd. leadership with the staff warmly welcome all inquiries negotiations to create Zhucheng East Han Machinery Co., Ltd. a better future.