Type OS

Qmax=750m3/h – Hmax=305m

APPLICATION

The OS-AM, OS-B and OS-C pumps are designed to handle clean and slightly contaminated water containing solids of size up to 2mm. Density of the pumped liquid can be up to 1020 kg/m3 (1200 kg/m3 for salt resistant version).

OS-AM, OS-B and OS-C pumps marked with EX symbol can be used in potentially explosive atmospheres as a device group I category M2.

Typical applications include:

  • deep mine dewatering
  • open cast mine
  • steel industry
  • cement and lime plants
  • power engineering
DESIGN

Stationary, multistage pumps with vane diffusers and closed impellers. The suction flange is located horizontally to the right of left while the delivery flange is located vertically upwards. Axial force absorbed by the bearings is reduced by holes or balancing vanes. Roller bearings do not require cooling. Mechanical seals or gland packings are applied for shaft sealing.

MATERIALS OF CONSTRUCTION

The materials of construction for the OS-AM, OS-B and OS-C pumps are selected accordingly to the handled fluid. There are three standard material versions:

basic – for water containing no contaminations
wear-resistant – for water containing solids
salt-resistant – for chemically contaminated water with solids presence.

Special material versions can be selected for handling non-typical fluids.





No.

Part name

No.

Part name

No.

Part name

1 Shaft 10 Discharge casing plate 19 Seal ring
2 Bearing cap 11 Lantern ring 20 Centrifugal guide
3 Bearing housing 12 Gland 21 Distance guide
4 Gland packing 13 Bearing housing 22 Sealing sleeve
5 Suction casing 14 Radial bearing 23 Supply guide
6 Tie bolt 15 Shaft nut 24 Shaft nut
7 Suction casing plate 16 Bearing chousing 25 Radial bearing
8 Stage housing 17 Shaft protecting sleeve 26 Arial bearing
9 Discharge casing 18 Impeller 27 Bearing cap


Dimension
[mm]

Pump
type

OS-80B

OS-100AM

OS-150AM

OS-200B

OS-250AM

OS-300C

Make A Make B
L Number
of stages
2 769 768 944 1101 1367 1414 1337
3 837 836 1051 1225 1514 1568 1527
4 905 904 1158 1349 1661 1722 1717
5 973 972 1265 1473 1808 1876 1907
6 1041 1040 1372 1597 1955
7 1109 1108
8 1177 1176
a Number
of stages
2 162 291,5 367 478,5 567 634
3 230 398,5 491 625,5 721 824
4 298 505,5 615 772,5 875 1014
5 366 612,5 739 919,5 1029 1204
6 434 719,5 863 1066,5
7 502
8 570

Pump
type

OS-80B

OS-100AM

OS-150AM

OS-200B

OS-250AM

OS-300C

Make A Make B
Dimensions
[mm]
W 407 407 630 708 818 925 1095
k 240 240 335 380 450 500 600
H 507 507 615 735 855 975 1150
h 212 212 280 315 355 425 450
Ds 80 125 200 250 300 350
Dt 80 100 150 200 250 300



Pump type

Number of stages

Capacity
Q [m3/h]

Head
H [m]

Rotation speed
n [rpm]

Shaft power
P [kW]

Weight
m [kg]

OS-80B 2 36 36 1450 5,6 185
3 54 8,4 219
4 72 11,2 253
5 90 14 287
6 108 16,8 321
7 126 19,6 355
8 144 22,4 389
OS-100AM 2 81 58 1450 19 319
3 87 28,5 393
4 116 38 467
5 145 47,5 541
6 174 57 615
OS-150AM 2 144 64 1450 35 473
3 96 52,5 578
4 128 70 683
5 160 87,5 788
6 192 105 893
OS-200B 2 258 72 1450 67 780
3 108 100,5 926
4 144 134 1070
5 180 167,5 1215
6 216 201 1356
OS-250AM 2 450 96 1450 153 1011
3 144 229,5 1221
4 192 306 1431
5 240 382,5 1641
OS-300C 2 750 122 1490 355 1587
3 183 560 1876
4 244 710 2165
5 305 900 2450


The parameters are specified for clean water of density ρ=1000 kg/m3 and temperature T=15°C.