WQ Type Submersible Non-Clogging Sewage Pump Operating Conditions:
1. Medium temperature not exceeding 60°C, medium density at 11.3×10^3 kg/m^3, pH value between 5-9.
2. Pumps without an internal self-flow circulation cooling system must have no more than 1/2 of the motor exposed to the liquid surface.
3. This pump is primarily made of cast iron, thus it is not suitable for pumping highly corrosive liquids.
4. The volume ratio of solid phase in the conveying medium is below 2%.

On the discharge pipeline of the submersible sewage pump, control valves, check valves, flexible rubber hose joints, and pressure gauges should be installed. The National Building Standard Design Collection 01S305 "Selection and Installation of Small Submersible Sewage Pumps" recommends using gate valves for control valves, or butterfly valves can be used as needed; spherical sewage check valves are recommended for check valves. Submersible sewage pumps are assembled into units by combining submersible motors with submersible pumps, or by directly mounting pump components on the shaft extension end of the submersible motor to form a pump-integrated product. They work in underground water, river, lake, and ocean water, as well as in other water environments. They have the advantages of small size, light weight, no need for priming before start-up, no suction head limitation, no need for an additional pump house, easy installation and use, reliable performance, high efficiency, low cost, and cost savings. The main applications of submersible sewage pumps include: widely used for water extraction from underground or rivers, lakes, and reservoirs, agricultural irrigation and drainage, urban water supply, industrial and mining enterprises' water supply and drainage, urban and rural building drainage, residential water use, urban or industrial wastewater and sludge treatment, catering and hotel sewage discharge, textile, dyeing, papermaking, chemical industries slurry conveyance, farming water supply and drainage and fecal matter treatment, mining water supply and drainage, wastewater sludge conveyance, salt field water guidance and brine conveyance, and various other applications; Boyu's submersible sewage pumps can also be used for offshore oil platform seawater extraction for flushing, cooling, and fire suppression, for power plant water supply and pressure increase, ship water supply, pipeline pressure increase, and submarine mineral collection. Submersible motors can also serve as power sources for various underwater machinery, such as bridge and building exploration drilling machine drive motors, underwater exploration ship propulsion sources, and more. Shanghai Submersible Pump Co., Ltd. is a manufacturing and research-oriented company dedicated to the production of submersible series products such as sewage and sludge submersible pumps, sewage pumps, deep well pumps, water mixers, pipeline pumps, vacuumless, pressure-stabilizing, and pressure-increasing complete water supply equipment, sewage lifting devices, pressure boosters, and vertical multi-stage pumps. The products emphasize practicality, innovation, environmental protection, economy, and more.

Based on the user's requirements for increased effluent water volume and quality, as well as the location of the wastewater pond (collecting well), reasonably determine the required flow rate and head for the submersible sewage pump, and specify the pump's specifications.
Submersible sewage pumps should be equipped with electrical leakage protection, overheating or overload protection, a sealing leakage device, and a reliable grounding system.
】