ZW-type self-priming pump is based on the relevant technical information at home and abroad through the absorption, digestion, improved from the development of energy-saving pumps. The pump is self-priming centrifugal pump, it has a compact structure, easy operation, smooth running, easy maintenance, high efficiency, long life, and have strong self-priming capacity. Pipeline without having to install a foot valve, pump body before work just to retain quantitative reservoir fluid can be cited, ZW50-20-35 pump, thus simplifying the piping system, ZW50-10-20 pump, in order to improved working conditions. Selection 1 to strict procedures available pumps. When you purchase the pump but also factual, only three certificates complete phase-out in order to avoid the purchase of products and inferior products. 2, 3 self-priming pump purchase to local conditions, to choose the appropriate pump exceeded. Determine the pump type, Chengxiang pump, to consider their economic performance, with particular attention to and supporting the head and flow rate of the pump power of choice. Care must be taken, ZW50-15-30 pump, on the label of the pump head (total head) and water lift (the actual head) to use when there is a difference, which is due to lose water through pipes and tubing at nearby there will be some loss of resistance. Therefore, the actual head than the general 10% to 20% of the total head low, the water is also reduced. ZW50-20-35 pump, self-priming pump Chengxiang District, ZW self-priming pump provided by the Shijiazhuang-Pump Co., Ltd. faction. Shijiazhuang-school Pump Co., Ltd. (www.shipaipump.com) strong, credible, and other industries in other Shijiazhuang, Hebei accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shijiazhuang-faction pump into the brilliant and you work for a better future!