NTZ Series 2.2kW to 11kW 380V Mass Flow Submersible Slurry Pump for Sludge Treatment
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The NTZ submersible slurry pump is equipped with a 4-pole motor, high chrome alloy impeller, and built-in agitator, featuring a cooling water jacket for extended low-water-level operation, making it ideal for pumping heavy slurry, sludge, mud-containing liquids, and bentonite in civil engineering, mining, quarries, and sewage treatment plants.
Application :
Civil engineering: It provides reliable dewatering and slurry pumping support for civil engineering projects, efficiently handling muddy water, bentonite mixtures, and construction slurry to maintain dry working conditions in foundation pits, tunnels, and other underground works, ensuring smooth project progress.
Mines, quarries, and coal ore operations: Specially designed for harsh mining environments, it can effectively transport coal ore slurries, mine wastewater, and abrasive quarry slurries. Its built-in agitator and high-chrome alloy impeller ensure continuous operation even when dealing with high-solid-content and highly abrasive fluids.
Sewage treatment plants: It plays a critical role in sewage treatment facilities, reliably pumping sludge, mud-containing liquids, and other thick wastewater. The pump’s robust design prevents clogging and supports stable operation in sludge lifting, thickening, and transfer processes.
General pumping purposes: Beyond specialized industries, it serves as a versatile solution for various heavy-duty pumping needs, including emergency flood drainage of muddy water, industrial slurry transfer, and temporary dewatering tasks, offering flexible and reliable performance for diverse fluid management scenarios.
Specialized fluid handling: It is specifically optimized for pumping challenging fluids such as sludge, mud-laden liquids, and bentonite slurries, making it ideal for applications in geotechnical engineering, environmental remediation, and other fields that require the handling of viscous, solid-laden fluids.
Water temperature : up to 40℃
Max. water depth : 20m
Capacity : up to 246 m³/h
Head : up to 27m
Discharge:80mm(3'')to 150mm(6'')
Insulation class : F
Protection class : IP68
Cable length : 8m
Other voltages
The length of cable is optional
(according to our general sales conditions)
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Materials Table |
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|
NO. |
Name |
Material |
|
01 |
Hose coupling |
Cast iron |
|
02 |
Handle |
Steel |
|
05 |
Upper cover |
Cast iron |
|
06 |
Up-Bearing house |
Cast iron |
|
07 |
Bearing house |
Cast iron |
|
10 |
Seal house |
Cast iron |
|
11 |
Motor body |
Cast iron |
|
12 |
Outer casing |
Steel |
|
13 |
Pump body |
Cast iron |
|
14a |
Impeller |
High chrome alloy |
|
14b |
Agitator |
High chrome alloy |
|
16 |
Inlet Plate |
Ductile iron |
|
19 |
Check value |
NBR |
|
22a |
Valve seat |
Cast iron |
|
22b |
Seat assembly |
Cast iron |
|
25 |
Strainer |
Steel |
|
27 |
Stator |
|
|
28 |
Rotor |
Shaft: AISI420SS |
|
31a |
Bearing |
Ball bearing |
|
31b |
Bearing |
Ball bearing |
|
33 |
Motor protector |
|
|
34 |
Mechanical seal |
Sic-Sic/Sic-Sic |
|
35 |
Oil seal |
|
|
47 |
Cable |
|

| Model | Motor power (kwiHP) |
Outlet (mm) |
Voltage (V) |
Max Flow (m³/h) |
Max.Head (m) |
Impeller passage (mm) |
G.W. (kg) |
Dimensions (cm) |
| NTZ32.2 | 2.2/3 | 80 | 380 | 72 | 12 | 20 | 99 | 76.5×40.5×51.5 |
| NTZ33.7 | 3.7/5 | 80 | 380 | 86.4 | 15 | 20 | 116 | 83.0×40.5×51.5 |
| NTZ43.7 | 3.7/5 | 100 | 380 | 114 | 15 | 20 | 116 | 83.0×40.5×51.5 |
| NTZ45.5 | 5.5/7.5 | 100 | 380 | 138 | 17.5 | 30 | 151 | 83.5×42.5×56.0 |
| NTZ411 | 11/15 | 100 | 380 | 162 | 27 | 20 | 226 | 91.0×47.5×66.5 |
| NTZ611 | 11/15 | 150 | 380 | 246 | 22.5 | 30 | 226 | 91.0×47.5×66.5 |
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