The basic components of a high-speed rotating centrifugal impeller and fixed snail-shaped casing. It has several (usually 4 to 12) backward curved impeller blades fastened to the shaft pipeline booster pumps, and with the shaft driven by a motor for high-speed rotation. The impeller is acting directly on the liquid within the pump parts for centrifugal pump energizing means. Central pump housing inlet and the suction pipe is connected to the bottom end of the suction line is equipped with a one-way valve. Discharge port and is equipped with regulating valve in the discharge line connected to the pump housing next. No negative pressure water mainly by non-negative steady flow tank, pressure tank (diaphragm-type or bladder-type expansion tank), negative control cabinet, pumps, motors, filters, backflow prevention device, sensor, electric contact pressure gauges, Road components, chassis and other components. There are various forms of non-vacuum equipment on the market: 1 voltage compensation negative pressure water equipment 2. box 3. overlying negative pressure water equipment supply equipment 4. Regulating high pressure water pumping large flow double suction pumps, pump Lanzhou, West by West Baoquan Baoquan water. If you have any questions about this information or advice, please contact us now! Our company name: West Baoquan Water Treatment Equipment Co., Ltd. (www.xianbaoquan.com) Contact: Mr. Wang, or click on "Commercial Union Support" direct dialogue with us!