ZJ, ZJP old Roots vacuum pumps are widely used in the manufacture of other occasions metals, non-metallic materials industry, vacuum degassing, vacuum melting, vacuum surface treatment and low-density wind tunnel testing and electrical equipment, vacuum freeze-drying equipment, the pump water ring vacuum pumps, liquid ring vacuum pumps after a series configuration, more suitable for the chemical industry vacuum polymerization reaction, decomposition and food industry vacuum distillation, vacuum drying, vacuum crystallization process. ZJ / ZJB Roots vacuum pump is a positive displacement pump Ningxia 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 a derivative of Taiyuan Roots vacuum pumps, pumping principle with different ZJ Roots vacuum pump intake and exhaust ports are provided with channels, and installed in the channel overload automatic protection valve, the intake air vent pressure difference is always controlled and reliable operation of the pump to allow the maximum pressure difference. Long 沙罗茨 vacuum pumps, vacuum pumps Roots, Zhucheng East Han Machinery Co., Ltd. is provided by the East Han Machinery Co., Ltd. Zhucheng. 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_38741865.html), for more information about the company.