Well & waterworks design, in corrosion-resistant material design “C”
For use in cold, clean, chemically corrosive water with max. sand content of 100 mg/l and max. particle size of 2 mm.
Please absolutely have the material resistance checked by the manufacturer by means of a water analysis
HYDRAULIC
Single- or multi-stage radial/semi-axial/axial submersible pump in waterworks-design for vertical/horizontal installation in stage design.
All casing parts in high-quality precision casting design with exchangeable wear rings of wear-resistant materials.
Shaft and connecting elements of high-alloyed stainless steel.
Adjustment of the duty point possible by trimming of impeller.
Shaft guided by rubber slide bearings.
Radial bearing completely lubricated by the pumped liquid and maintenance-free
Submersible pump: K12.380
Impeller type:
No. of stages: 1 – 6
max. impeller diameter: 224 mm
min. impeller diameter: 179 mm
max. temperature of pumped liquid: 30 °C
(higher temperature on request)
with/without non-return valve: with non-return valve
Diameter of unit: 12″ (Ø275 – Ø300)
(exact diameter on request)
No. of stages selected: 1
MOTOR
Enclosed “NEMA-standard” submersible motor in wet type technology.
In three-phase A.C. design with non-rewindable stator.
Motor stator, shaft ends and connecting elements of stainless steel.
Motor end parts in solid cast design.
Radial bearings by water-lubricated and -cooled slide bearings of special artificial carbon.
MOTOR DATA
Motor selected: NU 701-2/93-107
Rated power: 107 kW
Power input of the motor with rated power: 123.0 kW
Current consumption of the motor with rated power: 183.8 A
No. of poles: 2
Rated speed: 3,480 1/min
Cos Phi with rated power: 0.84
Efficiency of the motor with rated power: 87 %
Rated frequency: 60 Hz
Starting current with d-o-l starting: 1,320.0 A
Starting current with star-delta starting: 440.0 A
Starting torque: 675.0 Nm
Inertia moment: 0.0617 kg m²
Max. starts per hour: 10
Break: 5 Minuten
Admissible axial thrust down: 45,000 N
Admissible axial thrust up: 0 N
Possible installation type: Horizontal and vertical
Max. temperature of pumped liquid : 30 °C
(higher temperature on request)
DUTY POINT DATA
Flow rate:
Tot.man.head:
Pump efficiency at duty point: %
Power input of motor at duty point: (P1):
NPSH-value of pump at duty point:
Impeller diameter: 224.0 mm
MATERIALS
Suction piece: 1.4408
Stage- /guide casing: 1.4408
Impeller: 1.4408
Stationary wear ring: 1.4470
Pump shaft: 1.4462
clamp sleeve: 1.4462
Shaft sleeve: 1.4462
Bearing sleeve: EPDM
Connecting screws: A4
Nuts: A4
Non-return valve: 1.4408
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Weight of unit: 385.9 kg
