A sewage pump is a type of pump that is integrated with a motor and operates submerged in the liquid. Compared to general horizontal pumps or vertical sewage pumps, the sewage pump has several distinct advantages:   　　

1. Compact structure with minimal land footprint. Due to its submersion in liquid, the sewage pump can be directly installed in the sewage pool, eliminating the need for a dedicated pump house for the pump and motor, thus saving substantial land and construction costs.   　　

2. Easy installation and maintenance. Small sewage pumps can be installed freely, while large sewage pumps usually come with an automatic coupling device for easy automatic installation, making both installation and maintenance quite convenient.   　　

3. Long continuous operation time. Due to the pump and motor being coaxial, the shaft is short, and the rotating parts are lightweight, resulting in a relatively smaller load (radial) on the bearings, which significantly extends the lifespan compared to general pumps.    　　

4. No cavitation damage or灌引水 issues are present. Particularly, the latter greatly facilitates the operators.    　　

5. Low vibration and noise, low motor temperature rise, and non-polluting to the environment.

Due to the aforementioned advantages, sewage pumps have gained increasing attention and their applications have expanded widely, from simply conveying clean water to now handling various types of domestic wastewater, industrial effluents, construction site drainage, liquid feed, and more. They play a crucial role in various industries such as municipal engineering, industry, construction, hotels, and water conservancy projects.