ZW series self priming sewage pumps are with self priming and sewage discharge. It means the pumps can not only be self priming as the same as ZX series self priming pump for clean water without foot
valve and pouring water but also suck and discharge the large grain and long fiber and sediment and impurity in the waste water. And the performance is very steady. It is very convenient to operate
and move and install and maintain. Motor can be flameproof or standard motor. Pump can be close couple or with coupling