, 2LSJ two-stage Roots water jet vacuum unit range of applications and features: 2LSJ two-stage Roots water jet vacuum unit, is based JZJP Roots water jet vacuum unit on another series with a Roots pump. It is characterized by high vacuum pumping capacity, according to the actual conditions can be segmented using a water jet pump can operate in rough vacuum, high vacuum required to start the Roots pump, roots level up to 150Pa, two Roots level up 30Pa, suitable for light industry, food, pharmaceutical, oil, pesticides and other industries. Two, 2LSJ two-stage Roots water jet vacuum unit works: water jet pump works by using energy transfer fluid to produce a vacuum, Roots vacuum pump works by using a pair of constant rotation switched, resulting in compression and creating a vacuum. Three, 2LSJ Roots-type two water jet vacuum unit Model Description: 2LSJ-160-150-150 2L: 2 Roots pump S: water jet pump J: Unit 160: water jet pump suction capacity 160m3 / h 150: Section a Roots pump suction capacity 150L / S 150: second stage Roots pump suction capacity 150L / S four: 2LSJ Roots-type two water jet vacuum unit group material: a water jet pump nozzle ceramic, the rest Enhanced pump propylene, or cast iron lined with modified polyethylene (PE), cast iron. 2, water, gas chambers, centrifugal reinforced polypropylene or steel. 3, pipe fittings, valves for steel reinforced polypropylene or 4, for the Roots pump iron Kai Qing Pump Manufacturing Co., Ltd. is a Shanghai company specializing in research, manufacture, production and sale of pumps technology companies. The main products are: vacuum pump, vacuum unit series, series water ring vacuum pumps, rotary vane vacuum pump series, Diaphragm series, submersible mixer series, the most professional vacuum pump manufacturer Shanghai direct selling, all three bags of products, and look forward to you cooperation, please call the free service hotline: 4000-889-202.