ZW Self Priming Sewage Pump

ZW Self Priming Sewage Pump

(1). Capacity:8~800M3/h
(2). Head: 10~80M
(3). Size: 25~300MM
(4). Rotate speed: 1450~2900r/m

ZW series self-priming non-block sewage pumps are originally structured products developed on the basis of the repeated study in

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.
6. 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.