Submersible Borehole Pumps60 Hz
97
Typical Tender UPA 200, 200B, 250C
No. Qty Item
Unit price Amount
Submersible borehole pump(s) type UPA 200 / 200B / 250C
1)
for well diameters of 200 mm (8 inches) and above.
Make: KSB
Pump + motor: UPA -- / +
Multistage centrifugal pump in ring-section design for vertical / horizontal
1)
installation. Radial or mixed-flow hydraulic systems with impellers that can be turned
down. Pump bearing lubricated by the fluid handled and protected against ingress of
sand. Integrated check valve with anti-blockage, spring-loaded valve disc /
connection branch. Pump end with internal thread / flange
1)
. Suction casing with
suction strainer fitted between pump and motor.
Pre-filled submersible motor. Three-phase current. Squirrel-cage design with
self-aligning thrust bearing and adequately sized expansion diaphragm for pressure
equalization. Design in compliance with VDE standards. IP 68 enclosure. With power
supply cables. Required flow velocity past the motor: v ≥ 0.5 m/s.
Fluid handled: clean to slightly contaminated water, slightly aggressive / more
aggressive / as specified in water analysis
1)
, with a permissible
sandcontentofupto50g/m
3
.
Casings cast iron / bronze
1)
............................
Impellers glass fibre reinforced NORYL/ bronze
1)
...........................
(UPA 200/200B) / bronze (UPA 250C)
Wear rings bronze.........................
Shaft (pump + motor) Chrome / CrNiMo steel
1)
................
Stator case (motor) CrNi / CrNiMo steel
1)
..................
Bolts, screws and nuts CrNiMo steel (A4--70)...............
Capacity Q =
m
3
/h / l/s.....................
Head H =
m........................
Shut-off head H
o
= m.................
Efficiency η Pump
%/Motor %....................
Temperature (fluid handled) t =
°
C.....
Rated power / amperage P
N
= hp / I
N
= A.......
Speed / Frequency n ≈
rpm/f= Hz............
Supply voltage U =
V................
Starting d.o.l. / star-delta
1)
.........................
Pump end G3’’ (DN 80) / G5’’ (DN 125) / G6’’ (DN 150)
1)
....................
Outside diameter D
max
= mm..............
Economic efficiency analysis (for ex. for 10 years):
Operating period per year approx.
h/
Electricity costs
/kWh. Pump data tolerances to ISO 9906 Class
1. During the acceptance test, the overall efficiency may be max. 3 percentage points
lower than the overall efficiency quoted (η ”pump” x η ”motor”).
Adapter, from threaded end G to flange DN standard / special
1)
.
Pair of supporting and installation clamps for riser R / DN
1)
.
Set of bearing pedestals for horizontal installation without / with
1)
water storage
tank.
Power supply cable, separate/connected
1)
, mm
2
, length m.
Cable connector, size
, with sealing compound, motor supply not connected
and sealed / connected and sealed
1)
at the factory.
Cable tie,size
.
Dry running protection equipment
-- f o r semi-automatic operation with 2
1)
-- f o r fully automatic operation with 3
1)
control current lines with a length of m each.
Temperature monitoring equipment Pt 100 for use in submersible motors to
protect the windings from overheating; it consists of a resistance thermometer with
measuring line and does not include / includes
1)
a display unit.
Sum total
1) Delete as applicable