Pipe centrifugal pumps installed directly on the pipeline, the pressure on the transmission medium, factory production pipeline centrifugal small size, light weight, compact structure, either single or multiple (at the pump working pressure) in series can also be horizontal or vertical installation. 
 GD-type pump is single stage single suction pipeline centrifugal pump for conveying water under normal temperature or physical and chemical properties similar to water in the media. Mainly used in refrigeration, air conditioning systems, cooling towers, garden fountains, fire, hot and cold pressurized water, plastic machinery cooling water and general water supply system.