KSB S 100D - Page 75

UPA 300, 350
60 Hz
75
Material Variants
G (Standard) B (Special) C3 (Duplex)
Pump
Casing Cast iron
(JL 1030
5)
)/
Nodular cast
iron
1)
(JS--1030
6)
)
Bronze
(CC480K--GS) /
Aluminium
bronze
1)
(CC333G--GS)
CrNiMo steel
(1.4517)
Impeller Bronze (CC480K--GS) CrNiMo steel
(1.4517)
Shaft Cr steel
(1.4021)
CrNiMo steel
(1.4462)
CrNiMo steel
(1.4462)
Wear ring
high-performance plastics
CrNiMo steel
(1.4138)
Bearings Cr steel
(1.4021)
/ carbon
Aluminium
bronze
(CC308G--R750)
/ carbon
SiC / SiC
Screws,
bolts and
nuts
2)
CrNiMo steel
(A4--70)
CrNiMo steel
(1.4462)
G (Standard) C2 (Special)
C3 (Duplex)
motor
Shaft CrNiMo steel (1.4462)
Casing Cast iron
(JL-1030
5)
/
JL 1040
4) 7)
)
CrNiMo steel
(1.4408
3)
/
1.4517
4)
)
CrNiMo steel
(1.4539
3)
/
(1.4517
4)
)
Stator
c
a
s
e
CrNi steel
(
1
4
3
0
1
)
CrNiMo steel
(
1
4
5
7
1
3
)
/
CrNiMo steel
(
1
4
5
3
9
3
)
/
case
(
1.4301
)
(
1.4571
3
)
/
1.4462
4)
)
(
1.4539
3
)
/
1.4462
4)
)
Screws,
bolts and
nuts
2)
CrNiMo steel (A4 -70)
CrNiMo steel
(1.4539
3)
/
1.4462
4)
)
1)
For large number of stages
5)
DIN mat. code: GG-20
2)
In contact with fluid handled
6)
DIN mat. code: GGG-40
3)
for motors UMA 200D and. UMA 250D only
7)
DIN mat. code: GG-25
4)
for motors UMA 300D only
Bearings / Lubrication
Radial plain bearings: pump bearings lubricated by the fluid
handled, motor bearings by the motor’s water fill. Depending on
the pump size and number of stages, 1 or 2 intermediate
bearings are fitted in the pump.
Axial thrust is balanced by a tilting-pad thrust bearing in the
motor (lower end).
Direction of Rotation of the Pump
Clockwise rotation (when looking at the drive shaft end).
Pump End (Discharge Nozzle)
Optionally with internal thread G 6’’ and G 8’’ or flange DN 150
to DN 250, depending on pump size.
Coating (Standard)
Quality 2-component high-build coating..............
(epoxy resin base), approved for
drinking water contact
Coating structure Primer and top coat.....
Film thickness 100 to 150 µm.......
Colour ultramarine blue (RAL 5002)..............
Type of Installation
In general, the pumps are installed vertically. Some models
may also be installed horizontally, depending on the number of
stages and motor size.
Drive
Type water-filled submersible................
squirrel-cage motor, 2-poles
Type of enclosure IP 68....
Frequency 60 Hz...........
Type of current three-phase (3~).......
Rated voltage U 440 V ... 460 V......
Rated power P
N
up to 415 kW (556.5 hp)......
Frequency of starts 10 / h
1)
and5/h
2)
...
Minimum delay
before re-starting 3 min.....
Motor design is in compliance with VDE regulations.
1)
UMA 200D and 250D motors
2)
UMA 300D motor and larger motors
Connection to Power Supply
The submersible motors are supplied ex factory with 1 or 2
motor leads, each equipped with an earth conductor. All motors
are provided with internal earthing.
Any extension cables required are connected using water-tight
cable connectors.
Motor leads and extension cables are suitable for drinking
water applications.
Starting Methods
D.o.l. (autotransformer or soft starter) or star-delta.
Speed Control / Variable Speed
The submersible borehole pumps can also be run at variable
speed to accommodate different operating points.
Application Temperatures
The submersible borehole pumps are, as a standard, suitable
for use in water with temperatures of up to t = +30 °C. An
indispensable requirement for this is a flow velocity of
v ≥0.5 m/s past the motor. This requirement is met, for
example, when the pump is installed in a deep well above the
well screen / filter, etc.
With certain restrictions, some motor sizes may also be used
in water with temperatures of up to t
= +50 °C or for operation
without an adequate cooling flow of water past the motor, i.e. v
= 0 m/s (for example, when the unit is installed in a deep well
below the screen / filter area or in a pump sump, etc.).
Variants Available on Request
-- Other materials
-- More wear-resistant designs
-- Higher supply voltages up to U = 6600 V
-- Models with cooling, suction or pressure shroud