Roots vacuum pump is a vacuum pump without internal compression, the compression ratio is usually very low, Hebei Roots vacuum manufacturer, so high, vacuum required before the pump. By a pair of leaf cavity pump rotor synchronous, urging action to move the reverse rotation of the vacuum pump exhaust gas is achieved. Roots mechanical vacuum pump means having a pair of high-speed rotating rotor synchronous soles of Hebei Roots vacuum production and supply, the pump is not pumping alone, the first stage to be equipped with seals, water ring may be straight rows atmosphere. Roots vacuum pump (referred to as the Roots pump) is a rotary positive displacement pumps. It is evolved from the Roots blower. According to Roots Roots vacuum pump range of different work, is divided into vertical atmospheric low vacuum Roots pump; Roots vacuum pump (also called mechanical booster) and high vacuum multi-stage Roots pump. In general, the Roots pump has the following characteristics: in a wide pressure range greater pumping speed; starting fast, able to work immediately; not sensitive to dust and water vapor contained in the gas to be drawn; the rotor does not have to lubricate, oil-free pump chamber; vibration, rotor balancing condition is better, there is no vent; small drive power, small mechanical friction losses; compact, small footprint; low operation and maintenance costs. Therefore, Roots pump in metallurgy, petrochemical, paper, food, electronics industry has been widely used. Hebei Roots vacuum production and supply _ _ Zhucheng East Han Machinery Co., Roots vacuum provided by the East Han Machinery Co., Ltd. Zhucheng. 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. In Zhucheng East Han Machinery Co. led the staff warmly welcome all inquiries negotiations to create Zhucheng East Han Machinery Co., a better future. You can also access (www.dhlcfj.com/supply_details_39010345.html), for more information about the company.