The NL sewage mud pump is a single-stage single suction vertical centrifugal pump, consisting of main components such as volute, impeller, pump seat, pump casing, support cylinder, motor seat, and electric motor. The snail shell, pump seat, motor seat, and impeller nut are cast from pig iron, with good corrosion resistance and easy processing technology.

The impeller consists of three single chord curved blades, which are semi enclosed and made of malleable cast iron, resulting in high strength and corrosion resistance; Easy processing, good passability, and high efficiency. In order to reduce weight and cutting volume, the pump shaft is made of high-quality carbon steel cold drawn round steel. The pump seat is equipped with four skeleton oil seals and shaft sleeves to prevent shaft wear and extend the service life of the shaft.

The NL sewage slurry pump can be used vertically or obliquely, with a small footprint. The volute shell needs to be buried in the working medium for easy start-up, without the need for bow water. The rotation direction should be clockwise when viewed from the rear of the motor.
There are various specifications for the length of the switchboard, so that users can choose according to their specific needs.

2、 The main purpose of the sewage pump is:
1. The NL type multi-purpose submersible pump is a single-stage single suction centrifugal pump used in mining, papermaking, printing and dyeing, environmental protection, graphite, mica, gold, ceramics, oil refining, petroleum, chemical industry, farms, salt fields, iodine fields, dyeing, brewing, food, fertilizer, coking, beneficiation, construction, marble plants, gold mines, mud, quicksand, mud ponds, sewage ponds, and polluted liquids for conveying thick liquids, loading materials, and suspended solids in wastewater operations. It can also be used for mine drainage and fluids containing mud blocks.
2. If combined with high-pressure water pumps and water guns to form a hydraulic mechanized earthwork unit, it can be used for excavation and transportation of small water conservancy projects such as land leveling, dredging and excavation of rivers and ponds, as well as urban air defense and underground engineering.
3. Fish farming is used for carrying water to clear ponds, increasing oxygen in fish ponds, etc.

3、 Meaning of sewage pump model: