KSB S 100D - Page 83

UPA 350 -- 128
(Tolerances to
ISO 9906 Class 2)
Optimum
impeller dia. “c”
Maximum impeller dia.
Operating range:
Q
min
= 120 m
3
/h
Q
max
= End of characteristic curve
448
365 -- pedestals for motor
440 -- pedestals for pump
UPA 300, 350
60 Hz
83
UPA 350 -- 128 / ..
The characteristic curves shown are for preliminary
selection only. Exact selection data will be provided
in our quotation.
Selection
The pressure losses H
v
in the check valve are not
considered in the pump characteristic curves.
For more details and a selection example refer to
page 8.
Legend ...
H
v
: Head losses in the check valve
η
p
: Pump efficiency
(not considering check valve)
NPSH: Net positive suction head
required by the pump
Pump End G 8’’ / DN 200
1)
The information is based on the model “with check
valve and threaded end”.
The changes in the main dimensions of the “flanged
end” model or the model “with connection branch”
are specified in the table below.
a) Check valve with:
Threaded end
G8’’
Flanged end
DN 200
Length
mm
Length
mm
Outside dia.
mm
328 278 (PN 10)
278 (PN 16)
340
b) Connection branch with:
Threaded end
G8’’
Flanged end
DN 200
Length
mm
Length
mm
Outside dia.
mm
169 123 (PN 10)
123 (PN 16)
340
Threaded end to DIN ISO 228, Part 1.
Flange mating dimensions to
DIN EN 1092--2.
1)
DN 250 check valve (with flanged
end only) on request. For relevant head
losses see H
V
curveplottedoverQ.