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Ruite Pump

TEL:+86 19933134397

Skype:+86 19933134397

Wechat:+86 19933134397


ADD:Shijiazhuang, Hebei, China


ZW self-priming sewage pump

catalogues: Sewage Pump
Capacity: 5-800m³/h
Head: 12-60m
Power: 2.2-132kw
Size: 25-300mm
Time: 2021-06-14


ZW self-priming sewage pump, also known as solid-liquid pump or impurity pump.

The hydraulic design of this series of pumps is unique.

The impeller is shrunk in a separate impeller chamber, and the one connected to the impeller chamber is the pressurized water chamber

When the impeller rotates, the liquid in the pump produces a strong axial vortex, which causes vacuum at the inlet and have head at the outlet.

Therefore, impurities can be discharged from the pressurized water chamber.

So, its flow channel is completely unblocked, and its sewage discharge effect is unmatched by other self-priming sewage pumps.

The ZW self-priming vortex non-clogging sewage pump produced by RUITE

does not need to install a bottom valve like a general self-priming clean water pump, But also can discharge the solid block with large particles, long fibers, sediments, waste mineral impurities, manure treatment and all engineering sewage.

It is an ideal impurity pump for pumping solid particles, fibers, slurry and mixed in China.

Application scope 

It is suitable for industries such as chemical industry, petroleum, pharmacy, mining, papermaking, fiber, pulp, textile, food, power plant and municipal sewage engineering, sewage discharge of public facilities, and pond aquaculture.and so on.

1. Environmental temperature ≤ 50 ℃, medium temperature ≤ 80 ℃, special requirements can reach 200 ℃

2. The PH of the medium is 6-9 for cast iron and 2-13 for stainless steel.

3. The gravity of medium shall not exceed 1240 kg / m3

4. The height of self-priming cannot exceed the specified value of 4.5-5.5 meters, and the length of the suction pipe is ≦10 meters

5. Passing capacity: the diameter of suspended particles is 60% of the pump diameter, and the fiber length is 5 times of the pump diameter.


1. Strong sewage capacity: the special impeller anti-blocking design ensures that the pump is efficient and non-clogging.

2. High efficiency and energy saving: excellent hydraulic model is adopted, and the efficiency is 3-5% higher than that of general self-priming pump.

3. Good self-priming performance: The self-priming height is 1 meter higher than the generals and the self-priming time is shorter.

Technical parameters



Motor power:2.2-132kw;



Medium temperature:≤100℃;

Self priming height:4.5-6.0m.

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