Features: sealing system structured NSQ50-26-15, higher than the current degree of wear-resistant parts. High efficiency, long life, simple structure. Easy maintenance, easy to use NSQ100-18-11, without irrigation water, do not build machines dam. This product is mainly used for: mortar, industrial slag, suction transport pond scum, dredging ponds, irrigation, flood event of Underground Drainage. Tile mechanism can be used for equipment and other thick liquid slurry transportation. Twelve, what is the full performance of the pump test bench? By precision instruments accurately test all the performance parameters of the pump equipment for the whole test bench. National standard accuracy grade B. Flow meter with precision worm measuring head measurement precision pressure gauges. Suction measured with a precision vacuum gauge. Power measurement precision shaft power machine. Speed ??was measured by tachometer. Efficiency based on the measured value: n = rQ102 calculations. NSQ100-18-11_N_ submersible pumping sand pumps | mechanical seal Ltd. provided by the Shijiazhuang-send pump. 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!