NKZ

NKZ | 3-phase / 50Hz
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Three-phase slurry pumps, in cast iron, with a built-in agitator to stir and mix settled matters. Heavy duty design including side discharge, spiral casing, water cooling jacket and a 4 pole motor for increased wear resistance.

Technical Data
  • ø Discharge bore mm: 80 - 150
  • Type of Fluid: Sand/Slurry
  • Max. Solid Handling mm: 20 - 30
  • Max. dry matter %: 25
  • Max. PH Value: 5-9
  • Max. Capacity l/min: 930 - 3950
  • Max. Head m: 12.60 - 28.80
  • Motor output kW: 2,2 - 11,0
  • Phase / Voltage: 3-phase / 400V / 50Hz
Performance curve
1 O
Specifications
Model Colour code curve ø Discharge bore mm Type of Fluid Max. Solid Handling mm Max. dry matter % Max. PH Value Max. Capacity l/min Max. Head m Motor output kW Phase / Voltage
NKZ3-C3
1
80 Sand/Slurry 30 25 5-9 930 12.60 2,2 3-phase / 400V / 50Hz
NKZ3-D3
2
80 Sand/Slurry 30 25 5-9 1540 17 3,7 3-phase / 400V / 50Hz
NKZ35.5 (NKZ3-80H)
3
80 Sand/Slurry 20 25 5-9 1530 24.90 5,5 3-phase / 400V / 50Hz
NKZ45.5 4 100 Sand/Slurry 30 25 5-9 2000 18,7 5,5 3-phase / 400V / 50Hz
NKZ411 (NKZ3-100H)
5
100 Sand/Slurry 20 25 5-9 2440 28.80 11,0 3-phase / 400V / 50Hz
NKZ611 6 150 Sand/Slurry 30 25 5-9 3950 21,7 11 3-phase / 400V / 50Hz
ø Discharge bore mm 80
Type of Fluid Sand/Slurry
Max. Solid Handling mm 30
Max. dry matter % 25
Max. PH Value 5-9
Max. Capacity l/min 930
Max. Head m 12.60
Motor output kW 2,2
Phase / Voltage 3-phase / 400V / 50Hz
ø Discharge bore mm 80
Type of Fluid Sand/Slurry
Max. Solid Handling mm 30
Max. dry matter % 25
Max. PH Value 5-9
Max. Capacity l/min 1540
Max. Head m 17
Motor output kW 3,7
Phase / Voltage 3-phase / 400V / 50Hz
ø Discharge bore mm 80
Type of Fluid Sand/Slurry
Max. Solid Handling mm 20
Max. dry matter % 25
Max. PH Value 5-9
Max. Capacity l/min 1530
Max. Head m 24.90
Motor output kW 5,5
Phase / Voltage 3-phase / 400V / 50Hz
ø Discharge bore mm 100
Type of Fluid Sand/Slurry
Max. Solid Handling mm 30
Max. dry matter % 25
Max. PH Value 5-9
Max. Capacity l/min 2000
Max. Head m 18,7
Motor output kW 5,5
Phase / Voltage 3-phase / 400V / 50Hz
ø Discharge bore mm 100
Type of Fluid Sand/Slurry
Max. Solid Handling mm 20
Max. dry matter % 25
Max. PH Value 5-9
Max. Capacity l/min 2440
Max. Head m 28.80
Motor output kW 11,0
Phase / Voltage 3-phase / 400V / 50Hz
ø Discharge bore mm 150
Type of Fluid Sand/Slurry
Max. Solid Handling mm 30
Max. dry matter % 25
Max. PH Value 5-9
Max. Capacity l/min 3950
Max. Head m 21,7
Motor output kW 11
Phase / Voltage 3-phase / 400V / 50Hz
General
ø Discharge bore mm 80 - 150
Discharge Connection Hose coupling, Threaded flange/Hose coupling
Pumping Fluid
Type of Fluid Sand/Slurry
Temperature 0-40°C
Max. Solid Handling mm 20 - 30
Max. dry matter % 25
Max. PH Value 5-9
Max. Capacity l/min 930 - 3950
Max. Head m 12.60 - 28.80
Pump
Components
Impeller Semi-open type impeller
Bearings Shielded ball bearings
Mechanical Seal Dual mechancial seal in oil bath
Material
Impeller Ductile iron casting EN-GJS-700-2, Chromium iron casting
Agitator FCD700 (EN-GJS-700-2)
Casing Grey iron casting EN-GJL-200
Suction Plate Grey iron casting EN-GJL-200, Ductile iron casting EN-GJS-700-2
Pump Body Structured Steel
Mechanical Seal Silicon Carbide
Motor
Motor output kW 2,2 - 11
Starting method direct online
Suitable for VFD Yes
Suitable for Soft Starter Yes
Type, Poles Induction motor, 4 poles, IP68
Insulation Insulation class E, Insulation class F
Phase / Voltage 3-phase / 400V / 50Hz
r.p.m. 1410 - 1468
Motor Protector (built-in) Circle thermal cut-out
Rated Current 5.10 - 22.50
Material
Frame Grey iron casting EN-GJL-200
Shaft Stainless steel EN-X30Cr13
Cable NSSHÖU 4C*1.5mm², NSSHÖU 4C*2.5mm², NSSHÖU 4C*4.0mm²
Cable Length 20m
Others
Dry Weight Kg 91 - 217
Pressure Resistance max. 30m
Dimensions - in mm
W1: lowest running water level
  • NKZ3-C3
  • NKZ3-D3
  • NKZ35.5 (NKZ3-80H)
  • NKZ45.5
  • NKZ411 (NKZ3-100H)
  • NKZ611
ModelAA1BB1DHW1d
NKZ3-C346740537124937066422580
NKZ3-D346740537124937066422580
NKZ35.5 (NKZ3-80H)49143038726440179822080
NKZ45.5482420382244382759220100
NKZ411 (NKZ3-100H)547486422284414885240100
NKZ611618519458265449842240150

The NKZ-series is a submersible three-phase cast iron heavy-duty slurry pump driven by a 4-pole motor. It is equipped with an agitator that assists smooth suction of settled matters. The side discharge, spiral design allows smoother passage of the sucked solid matters. The motor is cooled by a water jacket that assures efficient motor cooling even when it operates with its motor exposed to air. The use of guide rail fitting system improves convenience in the facilities such as, iron works, ready-mixed concrete plants, and wastewater treatment plants where the pump is to be installed with a fixed discharge piping.

Pump Discharge 032-119-28
3" Hose Coupling
3" discharge with suitable connection for hose coupling
Pump Discharge 032-151-19
2" Hose Coupling
2" discharge with suitable connection for hose coupling
Pump Discharge 032-436-11
2" BS-threaded coupling
2" discharge with suitable connection for threaded coupling
Pump Discharge 032-438-13
4" BS-threaded coupling
4" discharge with suitable connection for threaded coupling
Oil Leakage Sensor TSS-TEG-10
TSS Seal Oil Sensor M10 (10m)
Externally mounted leak sensors for water detection inside of oil chamber. Please note, an additional relay e.g. finder needs to be installed.
Motor Protection Plugs 547150633tu
Plug CEE 16A
Specifications
Amperage Control 4,0A - 6,3A
Cable Gland M25
IP 44
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 547250633tu
Plug CEE 32 A
Specifications
Amperage Control 4,0A - 6,3A
Cable Gland M32
IP 44
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 5571502400tu
Plug with float connection CEE 16A
Specifications
Amperage Control 2,4A - 4,0A
Cable Gland M25
IP 44
Rocker switch ON/OFF (HAND/AUTO), motor protection with adjustment of the respective rated current, contactor max. 7,5kW, with phase inverter, operating display and rotation field check cable gland for float switch and Power cable Overload Protection: Aut
Motor Protection Plugs 5571506000tu
Plug with float connection CEE 16A
Specifications
Amperage Control 4,0A - 6,0A
Cable Gland M25
IP 44
Rocker switch ON/OFF (HAND/AUTO), motor protection with adjustment of the respective rated current, contactor max. 7,5kW, with phase inverter, operating display and rotation field check cable gland for float switch and Power cable Overload Protection: Aut
Motor Protection Plugs 5572502400tu
Plug with float connection CEE 32A
Specifications
Amperage Control 2,4A - 4,0A
Cable Gland M32
IP 44
Rocker switch ON/OFF (HAND/AUTO), motor protection with adjustment of the respective rated current, contactor max. 7,5kW, with phase inverter, operating display and rotation field check cable gland for float switch and Power cable Overload Protection: Aut
Motor Protection Plugs 5572506000tu
Plug with float connection CEE 32A
Specifications
Amperage Control 4,0A - 6,0A
Cable Gland M32
IP 44
Rocker switch ON/OFF (HAND/AUTO), motor protection with adjustment of the respective rated current, contactor max. 7,5kW, with phase inverter, operating display and rotation field check cable gland for float switch and Power cable Overload Protection: Aut
Motor Protection Plugs 587150403
CEE MS PW Stecker 16/5 6h 2.5-4.0A DFK IP67
Specifications
Amperage Control 2,5A - 4,0A
Cable Gland M25
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 587150633
CEE MS PW Stecker 16/5 6h 4.0-6.3A DFK IP67
Specifications
Amperage Control 4,0A - 6,3A
Cable Gland M25
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 587250403
CEE MS PW Stecker 32/5 6h 2.5-4.0A DFK IP67
Specifications
Amperage Control 2,5A - 4,0A
Cable Gland M32
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 587250633
CEE MS PW Stecker 32/5 6h 4.0-6.3A DFK IP67
Specifications
Amperage Control 4,0A - 6,3A
Cable Gland M32
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Pump Discharge 032-119-28
3" Hose Coupling
3" discharge with suitable connection for hose coupling
Pump Discharge 032-436-11
2" BS-threaded coupling
2" discharge with suitable connection for threaded coupling
Pump Discharge 032-438-13
4" BS-threaded coupling
4" discharge with suitable connection for threaded coupling
Oil Leakage Sensor TSS-TEG-10
TSS Seal Oil Sensor M10 (10m)
Externally mounted leak sensors for water detection inside of oil chamber. Please note, an additional relay e.g. finder needs to be installed.
Motor Protection Plugs 547151003tu
Plug CEE 16A
Specifications
Amperage Control 6,3A - 10,0A
Cable Gland M25
IP 44
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 547251003tu
Plug CEE 32 A
Specifications
Amperage Control 6,3A - 10,0A
Cable Gland M32
IP 44
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 5571510000tu
Plug with float connection CEE 16A
Specifications
Amperage Control 6,0A - 10,0A
Cable Gland M25
IP 44
Rocker switch ON/OFF (HAND/AUTO), motor protection with adjustment of the respective rated current, contactor max. 7,5kW, with phase inverter, operating display and rotation field check cable gland for float switch and Power cable Overload Protection: Aut
Motor Protection Plugs 5572510000tu
Plug with float connection CEE 32A
Specifications
Amperage Control 6,0A - 10,0A
Cable Gland M32
IP 44
Rocker switch ON/OFF (HAND/AUTO), motor protection with adjustment of the respective rated current, contactor max. 7,5kW, with phase inverter, operating display and rotation field check cable gland for float switch and Power cable Overload Protection: Aut
Motor Protection Plugs 587151003
CEE MS PW Stecker 16/5 6h 6.3-10A DFK IP67
Specifications
Amperage Control 6,3A - 10,0A
Cable Gland M25
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 587251003
CEE MS PW Stecker 32/5 6h 6.3-10A DFK IP67
Specifications
Amperage Control 6,3A - 10,0A
Cable Gland M32
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Pump Discharge 032-119-28
3" Hose Coupling
3" discharge with suitable connection for hose coupling
Pump Discharge 032-436-11
2" BS-threaded coupling
2" discharge with suitable connection for threaded coupling
Oil Leakage Sensor TSS-TEG-10
TSS Seal Oil Sensor M10 (10m)
Externally mounted leak sensors for water detection inside of oil chamber. Please note, an additional relay e.g. finder needs to be installed.
Motor Protection Plugs 547151603tu
Plug CEE 16A
Specifications
Amperage Control 10,0A - 16,0A
Cable Gland M25
IP 44
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 547251603tu
Plug CEE 32 A
Specifications
Amperage Control 10,0A - 16,0A
Cable Gland M32
IP 44
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 5571516000tu
Plug with float connection CEE 16A
Specifications
Amperage Control 12,0A - 16,0A
Cable Gland M25
IP 44
Rocker switch ON/OFF (HAND/AUTO), motor protection with adjustment of the respective rated current, contactor max. 7,5kW, with phase inverter, operating display and rotation field check cable gland for float switch and Power cable Overload Protection: Aut
Motor Protection Plugs 5572516000tu
Plug with float connection CEE 32A
Specifications
Amperage Control 12,0A - 16,0A
Cable Gland M32
IP 44
Rocker switch ON/OFF (HAND/AUTO), motor protection with adjustment of the respective rated current, contactor max. 7,5kW, with phase inverter, operating display and rotation field check cable gland for float switch and Power cable Overload Protection: Aut
Motor Protection Plugs 587151603
CEE MS PW Stecker 16/5 6h 10-16A DFK IP67
Specifications
Amperage Control 10,0A - 16,0A
Cable Gland M25
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 587251603
CEE MS PW Stecker 32/5 6h 10-16A DFK IP67
Specifications
Amperage Control 10,0A - 16,0A
Cable Gland M32
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Pump Discharge 032-119-28
3" Hose Coupling
3" discharge with suitable connection for hose coupling
Pump Discharge 032-437-12
3" BS-threaded coupling
3" discharge with suitable connection for threaded coupling
Oil Leakage Sensor TSS-TEG-10
TSS Seal Oil Sensor M10 (10m)
Externally mounted leak sensors for water detection inside of oil chamber. Please note, an additional relay e.g. finder needs to be installed.
Motor Protection Plugs 547252503tu
Plug CEE 32 A
Specifications
Amperage Control 20,0A - 25,0A
Cable Gland M32
IP 44
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 587252503
CEE MS PW Stecker 32/5 6h 20-25A DFK IP67
Specifications
Amperage Control 20,0A - 25,0A
Cable Gland M32
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 9216210
Plug with float connection CEE 32A w/z rotary switch
Specifications
Amperage Control 20,0A - 25,0A
Cable Gland M32, 2 x M16
IP 54
rotary switch (I-0-II), protection with adjustment of the respective rated current, contactor: 12,5kW, with phase inverter, operating display and rotation field check, 2x cable gland M16, 1x M32 Overload Protection: Automatically disconnects the motor in
Motor Protection Plugs 547252503tu
Plug CEE 32 A
Specifications
Amperage Control 20,0A - 25,0A
Cable Gland M32
IP 44
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 587252503
CEE MS PW Stecker 32/5 6h 20-25A DFK IP67
Specifications
Amperage Control 20,0A - 25,0A
Cable Gland M32
IP 67
Rotary lever actuation, motor protection with adjustment of the respective rated current, with phase turner and rotary field control, cable gland, Overload Protection: Automatically disconnects the motor in case of excessive current draw, preventing over
Motor Protection Plugs 9216210
Plug with float connection CEE 32A w/z rotary switch
Specifications
Amperage Control 20,0A - 25,0A
Cable Gland M32, 2 x M16
IP 54
rotary switch (I-0-II), protection with adjustment of the respective rated current, contactor: 12,5kW, with phase inverter, operating display and rotation field check, 2x cable gland M16, 1x M32 Overload Protection: Automatically disconnects the motor in
Case studies
Germany
Jet Grouting

In Cologne, Germany a new subway was built near the city centre. Before construction with a tunnel boring machine could even begin, the surrounding buildings had to be stabilized by a injection of a cement suspension. This process is called jet grouting. Two shafts were installed. From here, work was carried out to stabilise the foundations of the adjacent residential buildings. Depending on the shaft, different numbers of transverse boreholes with a depth of up to 50m were drilled. The boreholes were then grouted with a cement suspension.

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