ZJ / ZJB Roots vacuum pump is a positive displacement pump wholesale Henan Roots, which uses a pair of eight-shaped rotor, for isokinetic reverse rotation in the pump housing to produce suction and discharge effect. ZJB belt relief ZJ Roots Roots vacuum pump is derived product, ZJ Roots pumping principle is the same except that the pump intake and exhaust ports has Henan Roots vacuum wholesale telephone channel and the channel install automatic overload protection valve Henan Roots pump manufacturer, the intake air vent pressure difference is always controlled and reliable operation of the pump to allow the maximum pressure difference. Roots vacuum pump Installation Notes 1. The main pump must work within its optimum operating range; 2. the main pump or pump with a pump in the middle of its compression ratio must not exceed the allowable range; 3. forepumps first stage Luo Mainz pump ratio as small as possible, the current decline in pump performance, the performance of the vacuum system will not have a big impact on production and wholesale Henan Roots vacuum pumps, Zhucheng East Han Machinery Co., Roots vacuum pump from Zhucheng Dong Han Machinery Limited. 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_48091685.html), for more information about the company.