storm water harvesting pump


Capcity: 5~4000m3/h
Head:5~50m
Size: 25~500mm
Speed: 580~2900r/min



ZW Type Self-priming Non-Block Sewage Pump



Featured by self-priming and non-block sewage discharge, axial backflow outer recirculation, and the distinctive design of pump body and impeller channel, this pump, just like a self-priming clean water pump,no bottom valve needed. It is functioned to suck in and discharge liquid containing large granular solids and fibre.



Working Condition:

1. Ambient temperature less than 50 degrees centigrade, medium temperature less than 80 degrees centigrade.

2. Medium PH: 6-9 for cast iron material, and 2-13 for stainless steel material.

3. Gravity of medium: not exceeding 1240kg/m3.

4. Self-priming height: not exceeding the specified value by 4.5-5.5m, and the length of suction pipe less than 10m.

5. Through put capacity: the diameter of suspending particles not exceeding the 60% of pump caliber, and the length of fibre less than the 5 times of pump caliber.