KSB Omega Series User Manual

k
d
2
number of
holes n
Mating flange
All flanges designed as plate flanges
Omega
71
Standard flange connections
1)
:
Pump
Size
JL 1040 / GGG-NiCrNb 202
Nominal pressure acc. to:
JS 1030 / 1.4517
Nominal pressure acc. to:
DIN 2501
ISO 7005/2
BS 4504 ANSI B 16.1 DIN 2501
ISO 7005/2
BS 4504 ANSI B 16.1
250-480
PN 16 Table 16/11
C
l
a
s
s
2
5
0
250-600
PN 25 Table 25/11
Class 250
P
N
2
5
T
a
b
l
e
2
5
/
1
1
C
l
a
s
s
2
5
0
300-435
P
N
1
0
T
a
b
l
e
1
0
/
1
1
C
l
a
s
s
1
2
5
P
N
2
5
T
a
b
l
e
2
5
/
1
1
C
l
ass
2
5
0
350-360
P
N
1
0
T
a
b
l
e
1
0
/
1
1
C
l
ass
1
2
5
1)
Other flange connections on request
Flange dimensions -- Hole pattern All dimensions in mm
Standard
Suction flange Discharge flange
DN d
2
k n DN d
2
k n
Pump sizes 250-480 and 250-600 300 250
ISO 7005/2
DIN 2501
BS 4504
PN 10
Table 10/11
23 (M20) 400
1
2
23 (M20) 350
ISO 7005/2
DIN 2501
BS 4504
PN 16
Table 16/11
28 (M24) 410
1
2
28 (M24) 355
12
ISO 7005/2
DIN 2501
BS 4504
PN 25
Table 25/11
31 (M27) 430 16 31 (M27) 370
ANSI B 16.1 Class 125 28 (M24) 432
12
28 (M24) 362
ANSI B 16.1 Class 250 31 (M27) 451
16
28 (M24) 387
16
Pump size 300-435 400 300
ISO 7005/2
DIN 2501
BS 4504
PN 10
Table 10/11
28 (M24) 515 23 (M20) 400
1
2
ISO 7005/2
DIN 2501
BS 4504
PN 16
Table 16/11
31 (M27) 525
16
28 (M24) 410
1
2
ISO 7005/2
DIN 2501
BS 4504
PN 25
Table 25/11
37 (M33) 550 31 (M27) 430 16
ANSI B 16.1 Class 125 28 (M24) 540 28 (M24) 432
12
ANSI B 16.1 Class 250 34 572
20
31 (M27) 451
16
Pump size 350-360 400 350
ISO 7005/2
DIN 2501
BS 4504
PN 10
Table 10/11
28 (M24) 515 16 23 (M20) 460
ISO 7005/2
DIN 2501
BS 4504
PN 16
Table 16/11
31 (M27) 525 16 28 (M24) 470
16
ISO 7005/2
DIN 2501
BS 4504
PN 25
Table 25/11
37 (M33) 550 16 34 (M30) 490
ANSI B 16.1 Class 125 28 (M24) 540
16
28 (M24) 476
12
ANSI B 16.1 Class 250 34 572
20
31 (M27) 514
20
Baseplate / motor combinations
Pump
Motor Size
P
u
m
p
Size
250M 280S 280M 315S 315M 315L 315 355 400
No of po-
les
4 4 4 4 4 4 4 4 4
250-480 11 11 11 11 11 12 12 16
250-600 11 12 12 16 16
300-435 11 11 11 12 12
350-360 11 11 11 11 11 12 12
N.B.: - The numbers listed in the table indicate the relevant baseplate numbers.
- The baseplate numbers shown in the boxes also serve to select the correct motor size for the listed pump size.
- Units comprising a motor size 315 and larger are completely assembled for verification and adjustment of the individual
components. Before shipment, the units are dismantled again and the components packed / shipped separately.

KSB Omega Series Specifications

General

Type	Centrifugal Pump
Series	Omega
Operating Pressure	Up to 16 bar
Application	Water supply, irrigation
Impeller Type	Closed impeller
Casing Material	Cast iron, Stainless steel
Material	Cast iron, Bronze, Stainless steel