Description
TUSSU® pump manufacture industry-leading stainless steel submersible sewage pumps designed to handle the most demanding wastewater and industrial effluent applications. Engineered with high-grade SS304, SS316, or SS316L, our submersible pumps deliver exceptional corrosion resistance, longevity, and reliable performance in harsh, abrasive, and acidic environments.
Whether you are managing municipal sewage treatment, industrial chemical processing, or agricultural wastewater drainage, our pumps are built to keep your operations running smoothly.
Specification
- Type:Stainless Steel Submersible Sewage Pump
- Material:SS304/316
- Head:5-60m
- Flow:10-400m3/h
- Power:0.75-37KW
- Voltage:220/380V, or can be customized
- Speed:1450,2900RPM
- Weight:30-800KG
Features
- High Endurance :
Can run nonstop for more than 8000 hours. - Pump Protection:
Test leads in the sealed oil room with high accuracy anti-interference feature. - Power Surge Protection :
Pump and switchboard are placed side-by-side for automatic protection from a water leak and power surge. - Automatic Coupling :
Guide rails are available for easy installation and maintenance. - Automatic Pump Control:
Floater switch controls the pump with respect to change in water depth without any human involvement. - Cooling water jacket:
Submersible Sewage pump can work in dry mode when the cooling water jacket is applied. - Two Installation Options:
A fixed-style auto coupling installing system or a removing-style free installing system is available for installation.
Application
- Industrial Wastewater Treatment: Pumping chemical liquids, acidic or alkaline effluents, and pharmaceutical food-grade wastewater.
- Municipal & Sewage Drainage: City sewage network drainage, rainwater collection stations, and underground civil engineering dewatering.
- Food & Beverage Processing: Ideal for food factory washdown, brewery waste, and poultry processing plants where hygiene and chemical resistance are mandatory.
- Marine & Offshore Applications: Handling brackish water, seawater drainage, and shipboard bilge pumping.
- Agricultural Waste Management: Pumping livestock manure, farm runoff, and irrigation drainage containing organic matter.
Packing Declaration
Stainless Steel Sewage Pump is packed in Plywood box:
- Professional export packing, suitable for long distance shipping
- Sturdy, strong and resistant to collide
The full moulds of this Stainless steel submersible sewage pump is opened by ourselves. This product is casted by the stainless steel material integrally and the pump shell and impeller are precision casted by stainless steel material as well. The enough thickness ensure the pump has an excellent effect on corrosion resistance, acids and alkali resistance. So WTUP submersible stainless steel pump meet the occasion of corrosive medium like transporting the medium in the chemical plants, sewage treatment plants, factories sewage discharges and so on.
Stainless Steel Submersible Sewage Pump Structure

Material:
Pump Case:
Whole 304 cast SS pump case, the thickness is much thicker than normal stamping or stretch case. Adopting hollow out and frame design at the inlet, to get the greatest extent of water inflow.
Mechanical Seal:
Adopting carborundum & alloy mechanical seal, double-end type with national patent certificate; Use fluoro rubber “O” rings to extend service life
Motor:
Adopting 100% copper with low energy consumption cold rolled steel, ensure the pump with powerful performance.
Rotor & Bearing:
Using high precision 304/316 SS rotor spindle, process with anti-corrosive moisture-proof on the surface; Install 2 NSK bearing to ensure the stability.
Impeller:
Channel impeller also called close impeller, casting with SS 304/316 SS material, suitable for pumping the liquid with large particles and fiber. It’s characteristic is non clog and over-current capacity.
Stainless Steel Submersible Sewage Pump Technical Data:
| No. | Model | Rated Flow (m³/h) | Rated Head (m) | Power (kW) | Outlet (mm) | Voltage (V) | Speed (r/min) |
|---|---|---|---|---|---|---|---|
| 1 | 50WTUP10-10-0.75 | 10 | 10 | 0.75 | 50 | 220 | 2,900 |
| 2 | 65WTUP15-6-0.75 | 15 | 6 | 0.75 | 65 | 220 | 2,900 |
| 3 | 50WTUP7-15-1.1 | 7 | 15 | 1.10 | 50 | 220 | 2,900 |
| 4 | 65WTUP20-6-1.1 | 20 | 6 | 1.10 | 65 | 220 | 2,900 |
| 5 | 50WTUP15-15-1.5 | 15 | 15 | 1.50 | 50 | 220 | 2,900 |
| 6 | 65WTUP25-7-1.5 | 25 | 7 | 1.50 | 65 | 220 | 2,900 |
| 7 | 50WTUP15-20-2.2 | 15 | 20 | 2.20 | 50 | 220 | 2,900 |
| 8 | 65WTUP20-15-2.2 | 20 | 15 | 2.20 | 65 | 220 | 2,900 |
| 9 | 80WTUP45-10-2.2 | 45 | 10 | 2.20 | 80 | 220 | 2,900 |
| 10 | 100WTUP50-7-2.2 | 50 | 7 | 2.20 | 100 | 220 | 2,900 |
| 11 | 50WTUP15-30-3 | 15 | 30 | 3.00 | 50 | 220 | 2,900 |
| 12 | 65WTUP37-13-3 | 37 | 13 | 3.00 | 65 | - | 2,900 |
| 13 | 80WTUP45-12-3 | 45 | 12 | 3.00 | 80 | - | 2,900 |
| 14 | 100WTUP50-10-3 | 50 | 10 | 3.00 | 100 | - | 2,900 |
| 15 | 50WTUP15-32-4 | 15 | 32 | 4.00 | 50 | - | 2,900 |
| 16 | 65WTUP20-25-4 | 20 | 25 | 4.00 | 65 | - | 2,900 |
| 17 | 80WTUP40-15-4 | 40 | 15 | 4.00 | 80 | - | 2,900 |
| 18 | 100WTUP50-10-4 | 50 | 10 | 4.00 | 100 | - | 1,450 |
| 19 | 50WTUP15-40-5.5 | 15 | 40 | 5.50 | 50 | - | 2,900 |
| 20 | 65WTUP25-32-5.5 | 25 | 32 | 5.50 | 65 | - | 2,900 |
| 21 | 80WTUP30-30-5.5 | 30 | 30 | 5.50 | 80 | - | 2,900 |
| 22 | 100WTUP65-18-5.5 | 65 | 18 | 5.50 | 100 | - | 2,900 |
| 23 | 150WTUP100-7-5.5 | 100 | 7 | 5.50 | 150 | - | 2,900 |
| 24 | 50WTUP20-50-7.5 | 20 | 50 | 7.50 | 50 | - | 2,900 |
| 25 | 65WTUP40-30-7.5 | 40 | 30 | 7.50 | 65 | - | 2,900 |
| 26 | 80WTUP65-25-7.5 | 65 | 25 | 7.50 | 80 | - | 2,900 |
| 27 | 100WTUP80-20-7.5 | 80 | 20 | 7.50 | 100 | - | 2,900 |
| 28 | 150WTUP100-15-7.5 | 100 | 15 | 7.50 | 150 | - | 2,900 |
| 29 | 65WTUP35-45-11 | 35 | 45 | 11.00 | 65 | - | 2,900 |
| 30 | 65WTUP35-55-15 | 35 | 55 | 15.00 | 65 | - | 2,900 |
| 31 | 100WTUP100-20-11 | 100 | 20 | 11.00 | 100 | - | 1,450 |
| 32 | 100WTUP100-25-15 | 100 | 25 | 15.00 | 100 | - | 1,450 |
| 33 | 100WTUP100-30-18.5 | 100 | 30 | 18.50 | 100 | - | 1,450 |
| 34 | 100WTUP100-35-22 | 100 | 35 | 22.00 | 100 | - | 1,450 |
| 35 | 150WTUP180-12-15 | 180 | 12 | 15.00 | 150 | - | 1,450 |
| 36 | 150WTUP180-16-18.5 | 180 | 16 | 18.50 | 150 | - | 1,450 |
| 37 | 150WTUP180-20-22 | 180 | 20 | 22.00 | 150 | - | 1,450 |
| 38 | 150WTUP180-28-30 | 180 | 28 | 30.00 | 150 | - | 1,450 |
| 39 | 150WTUP200-30-37 | 200 | 30 | 37.00 | 150 | - | 1,450 |
| 40 | 200WTUP300-7-11 | 300 | 7 | 11.00 | 200 | - | 1,450 |
| 41 | 200WTUP250-11-15 | 250 | 11 | 15.00 | 200 | - | 1,450 |
| 42 | 200WTUP250-15-18.5 | 250 | 15 | 18.50 | 200 | - | 1,450 |
| 43 | 200WTUP400-10-22 | 400 | 10 | 22.00 | 200 | - | 1,450 |
| 44 | 200WTUP400-13-30 | 400 | 13 | 30.00 | 200 | - | 1,450 |
| 45 | 200WTUP300-15-22 | 300 | 15 | 22.00 | 200 | - | 1,450 |
| 46 | 200WTUP250-22-30 | 250 | 22 | 30.00 | 200 | - | 1,450 |
| 47 | 200WTUP350-25-37 | 350 | 25 | 37.00 | 200 | - | 1,450 |
| 48 | 100WTUP100-45-37 | 100 | 45 | 37.00 | 100 | - | 1,450 |
| 49 | 150WTUP150-40-45 | 150 | 40 | 45.00 | 150 | - | 1,450 |
| 50 | 250WTUP460-25-55 | 460 | 25 | 55.00 | 250 | - | 1,450 |
| 51 | 200WTUP250-50-75 | 250 | 50 | 75.00 | 200 | - | 1,450 |
Stainless Steel Submersible Sewage Pump Show:

FAQ:
Q1: How do I choose between an SS304 and an SS316 submersible sewage pump?
A: It depends entirely on the chemical composition of the liquid you are pumping:
-
SS304: Ideal for municipal wastewater, mild chemicals, stormwater, and standard industrial effluents with a pH range of 6 to 9.
-
SS316 / SS316L: Formulated with molybdenum, making it highly resistant to chloride pitting and severe corrosion. Choose SS316 for seawater, brackish water, marine applications, and highly acidic or alkaline chemical wastewater (pH 4–10).
Q2: What type of impeller is best suited for heavy sewage with large solids?
A: We offer two primary impeller designs based on your media type:
-
Vortex Impeller: Best for liquids containing long fibers, hair, and stringy materials. The impeller creates a whirlpool effect that pulls solids through without direct contact, minimizing clogging.
-
Non-Clog Semi-Open Impeller: Best for high-flow efficiency and handling spherical solids (up to the rated outlet diameter size).
-
Note: For extreme environments with rags or heavy textiles, we can customize a stainless steel cutter mechanism at the pump inlet.
Q3: Can these stainless steel submersible pumps run continuously 24/7?
A: Yes, absolutely. Our pumps feature industrial-grade, heavy-duty motors with Class F or Class H insulation and an IP68 protection rating. They are designed for continuous submersion and continuous duty cycles (S1). The surrounding wastewater acts as a natural coolant, keeping the motor temperature regulated during prolonged operation.
Q4: How does the dual mechanical seal protect the pump from burning out?
A: Our pumps utilize a tandem dual mechanical seal system housed in an isolated oil chamber. The outboard seal prevents wastewater from entering the oil chamber, while the inboard seal prevents oil from entering the motor. This dual-barrier protection drastically reduces the risk of water ingress into the motor winding, which is the #1 cause of pump burnout in competitor models.
Q5: What are the temperature limits for the liquids being pumped?
A: Our standard stainless steel submersible pumps can handle fluids up to 40℃ (104℉). However, if your project involves boiler water blowdown, food processing washdowns, or hot chemical discharge, we can provide customized high-temperature configurations that safely operate in fluids up to 90℃(194℉) by utilizing specialized Viton seals and high-temperature bearings.







