Submersible Pumps

OSC
SERIES

Uniquely Design by
OSC SERIES (Drainage Pump)

The body of the motor and pump is made of rigid cast iron for long-lasting
durability.
Greatly increased maximum submersion depth due to mechanical seal
resistance to high pressure.
Semi-open impeller made of high chrome alloy match with wear plate
(ductile iron) achieves superior durability.
Effective motor cooling due to discharge channel cast as part of the motor
housing. Space conomically by a top outlet.
Discharge 50mm (2”) to 150mm (6”), motor 1.5kW (2HP) to 15kW (20HP).
Hermetically sealed motor equipped build-in thermal protection for the
power below 15kW.

Specification Application
· Capacity: up to 160m³/h · Civil engineering
· Head: up to 57 meters · Mines, quarries, coal ore & slurries
· Power: 1.5kW (2HP) to 15kW (20HP) · Sewage treatment plants
· Power supply: · General pumping purposes
Three phase 415V, 50Hz
Three phase 440V, 60Hz
OSC21.5~
Three phase 220V, 60Hz OSC615
· Insulation class: F
· Protection class: IP68
· Cable length: 8m (optional length upon request)
· Water temperature: up to 40°C
· Max. water depth: 25m

The body of motor and pump is made of hard cast iron for long-lasting
durability.
Greatly increased maximum submersion depth due to mechanical seal
resistant to high pressure.
Hydraulic part under the motor and motor cooled by the pumped water
for safe operation also with the pump only partially immersed. The top
outlet design maximize the space.
Hermetically sealed motor equipped.
Discharge 100mm(4”) to 200mm(8”), motor 22kW(30HP) to 110
kW(150HP).
Motor is dry type submersible induction motor (2 poles).

Specification Application
· Capacity: up to 408m³/h · Deep-well pre-dewatering or high-head
· Head: up to 205 meters dewatering
· Power: 22kW (30HP) to 110kW (150HP) · Civil engineering and construction works
· Power supply: · Mines, quarries, coal ore & slurries
Three phase 415V, 50Hz · Sewage treatment plants
Three phase 440V, 60Hz · General pumping purposes
Three phase 220V, 60Hz
· Insulation class: F
OSC422~ · Protection class: IP68
· Cable length: 20m (optional length upon request)
OSC8110 · Water temperature: up to 40°C
· Max. water depth: 30m

02
OSC SERIES (Drainage Pump)

Materials of Construction
Item No. Part name Material Item No. Part name Material
01 Hose coupling Cast Iron 28 Rotor Shaft: AISI420SS
02 Handle Rubber & steel 31a Bearing Ball bearing
05 Upper cover Cast Iron 31b Bearing Ball bearing
11 Motor body Cast Iron 33 Motor protector -
13 Pump body Cast Iron 34 Mechanical seal Sic-Sic/Carbon-Sic (≤2.2kW)
14 Impeller High chrome alloy Sic-Sic/Sic-Sic (≥3.7kW)
16 Inlet plate Ductile Iron 35 Oil seal -
25 Strainer Steel 47 Cable -
27 Stator -

Dimensions Table
Model d A A1 B D H W1 N.W G.W Packing dimension
(50/60Hz) mm mm mm mm mm mm mm Kg Kg mm
OSC21.5 50 235 173 535 216 505 120 36 40 610x265x275
OSC22.2 50 235 173 535 216 505 120 39 43 610x265x275
OSC23.7 50 283 208 628 252 629 150 63 68 710x320x295
OSC31.5 80 235 173 535 216 505 120 36 40 610x265x275
OSC32.2 80 235 173 535 216 505 120 39 43 610x265x275
OSC33.7 80 283 208 628 252 629 150 63 68 710x320x295
OSC35.5 80 329 240 671 300 590 150 77 84 750x350x335
OSC43.7 100 283 208 642 252 629 150 63 68 710x320x295
OSC45.5 100 329 240 686 300 590 150 77 84 750x3505x335
OSC47.5 100 330 240 764 314 676 190 106 116 835x365x385
OSC67.5 150 330 240 790 314 676 190 108 119 865x365x385
OSC411 100 373 255 807 350 695 190 136 148 855x415x435
OSC415 100 373 255 842 350 755 190 144 158 905x415x435
OSC611 150 373 255 807 350 695 190 139 150 855x415x435
OSC615 150 373 255 842 350 755 190 146 160 905x415x435

03
OSC SERIES (Drainage Pump)

Performance Curve

OS
C2
OSC2 OSC 3.7
2.2 33.7 OSC
35.
5
OSC4
5.5
OSC31.5 OS OSC43
C2 .7
1.
5 OS
C3
2.2

OSC415

OSC
411

OS OSC615
C47
.5
OSC6
11

OSC
67.5

Performance Table
Model Outlet Motor Power Rated current Rated Capacity Rated head Max capacity Max Head Impeller Passage
50Hz/60Hz mm kW HP A m³/h m³/min m m³/h m³/min m mm
OSC21.5 50 1.5 2 3.5 15 0.25 15 27 0.45 22 8.5
OSC22.2 50 2.2 3 5.0 18 0.30 20 33 0.55 26 8.5
OSC23.7 50 3.7 5 7.7 12 0.20 30 33 0.55 34 8.5
OSC31.5 80 1.5 2 3.5 30 0.50 8 40 0.67 14.5 8.5
OSC32.2 80 2.2 3 5.0 36 0.60 11 55 0.92 19 8.5
OSC33.7 80 3.7 5 7.7 30 0.50 20 55 0.92 29 8.5
OSC35.5 80 5.5 7.5 11.4 36 0.60 25 75 1.25 34 8.5
OSC43.7 100 3.7 5 7.7 60 1.0 11.5 90 1.50 18.5 8.5
OSC45.5 100 5.5 7.5 11.4 60 1.0 16 105 1.75 23 8.5
OSC47.5 100 7.5 10 15 48 0.80 30 84 1.40 40 11.5
OSC67.5 150 7.5 10 15 90 1.60 15 124.8 2.08 31 19.5
OSC411 100 11 15 22 60 1.0 35 84 1.40 48.5 11.5
OSC415 100 15 20 29.5 60 1.0 42 84 1.40 56 11.5
OSC611 150 11 15 22 102 1.70 22 147 2.45 32 19.5
OSC615 150 15 20 29.5 102 1.70 30 156 2.60 40 19.5

04
OSC SERIES (Drainage Pump)

Performance Curve

OSC
35.5
OSC
23.7
OSC
33.7
OS
C22
.2

OSC31.5 OS
C2 OSC
1. OS 45.5
5 C3
2.2
OSC
43.7

OSC4
15

OSC41
1

OSC6
15
OSC6
11

O OSC
SC 67.5
47
.5

Performance Table
Model Outlet Motor Power Rated current Rated Capacity Rated head Max capacity Max Head Impeller Passage
50Hz/60Hz mm kW HP A m³/h m³/min m m³/h m³/min m mm
OSC21.5 50 1.5 2 3.5 15 0.25 16.5 27 0.45 23 8.5
OSC22.2 50 2.2 3 5.1 18 0.30 20 31 0.52 28 8.5
OSC23.7 50 3.7 5 8.0 12 0.20 30 50 0.83 33 8.5
OSC31.5 80 1.5 2 3.5 30 0.50 9 45 0.75 15 8.5
OSC32.2 80 2.2 3 5.1 30 0.60 13 47 0.78 20.5 8.5
OSC33.7 80 3.7 5 8.0 30 0.50 22 55 0.92 31 8.5
OSC35.5 80 5.5 7.5 11.6 36 0.60 25 69 1.15 38 8.5
OSC43.7 100 3.7 5 8.0 60 1.0 11.5 96 1.60 18.5 8.5
OSC45.5 100 5.5 7.5 11.6 60 1.0 16 102 1.70 24.4 8.5
OSC47.5 100 7.5 10 15.4 48 0.80 30 80 1.33 41 11.5
OSC67.5 150 7.5 10 15.4 90 1.60 15 127 2.12 31 19.5
OSC411 100 11 15 22.5 60 1.0 35 84 1.40 48.5 11.5
OSC415 100 15 20 30 60 1.0 42 84 1.40 57 11.5
OSC611 150 11 15 22.5 102 1.70 22 147 2.45 32 19.5
OSC615 150 15 20 30 102 1.70 27 160 2.67 39 19.5

05
OSC SERIES (Drainage Pump)

Materials of Construction
Item No. Part name Material Item No. Part name Material
01 Hose coupling Ductile Iron 16b Inlet plate Cast Iron
03 Terminal box Cast Iron 24 Neck ring High chrome alloy
05 Upper cover Cast Iron 25 Strainer AISI304SS
07 Bearing house Cast Iron 27 Stator -
10a Seal bracket Cast Iron 28 Rotor Shaft: AISI420SS
10b Seal bracket Cast Iron 31a Bearing Ball bearing
11 Motor body Cast Iron 31b Bearing Ball bearing
12 Outer casing Steel 34 Mechanical seal Tc-Sic/ Sic-Sic
14 Impeller High chrome alloy 35 Oil seal -
15 Diffuser Ductile Iron 41 Shim Cast Iron
16a Inlet plate Ductile Iron 47 Cable -

Dimensions Table
Model A B C n-Ød D H H1 W1 N.W G.W Packing dimension
(50/60Hz) mm mm mm mm mm mm mm mm Kg Kg mm
OSC422 100 180 220 8-Ø17.5 420 1374 1072 240 370 410 1495x490x700
OSC430 100 180 220 8-Ø17.5 420 1374 1072 240 375 415 1495x490x700
OSC622 150 240 285 8-Ø22 420 1434 1082 250 385 425 1565x490x700
OSC630 150 240 285 8-Ø22 420 1434 1082 250 390 430 1565x490x700
OSC637 150 240 285 8-Ø22 530 1424 1072 180 570 615 1555x600x850
OSC645 150 240 285 8-Ø22 530 1424 1072 180 575 620 1555x600x850
OSC655 150 240 285 8-Ø22 550 1630 1280 200 830 880 1765x620x910
OSC675 150 240 285 8-Ø22 550 1630 1280 200 830 880 1765x620x910
OSC690 150 250 300 8-Ø26 592 1687 1280 200 1110 1166 1825x665x965
OSC6110W 150 250 300 8-Ø26 592 1793 1388 370 1245 1301 1875x665x965
OSC837 200 295 340 12-Ø22 530 1474 1072 180 575 625 1605x600x850
OSC845 200 295 340 12-Ø22 530 1474 1072 180 580 630 1605x600x850
OSC855 200 295 340 12-Ø22 550 1680 1280 200 880 930 1815x620x910
OSC875 200 295 340 12-Ø22 550 1680 1280 200 880 930 1815x620x910
OSC890 200 295 340 12-Ø22 592 1687 1282 200 1120 1176 1825x665x965
OSC8110 200 295 340 12-Ø22 592 1687 1282 200 1150 1206 1825x665x965

06
OSC SERIES (Drainage Pump)

Performance Curve
OS
C6
11
0W OSC
8110

OSC690 OSC
890
OSC6
75
OSC8
75
OSC6
55 OSC
855
OSC6
4
OSC6 5
37 OSC
OSC4 84
30 OSC 5
OSC4 837
22
OSC630
OSC622

OS
C6 OSC
11 811
0W 0

OSC
890
OSC690 OSC
875
OSC6
75

OSC
OSC6 855
55
OSC64
OSC430 5 OSC
845
OSC
OSC 837
OSC4 637
22
OSC63
0
OSC622

Performance Table
Model Outlet Motor Power Rated current (A) Rated Capacity Rated head Max capacity Max Head Impeller Passage
50Hz/60Hz mm kW HP 50Hz 60Hz m³/h m³/min m m³/h m³/min m mm
OSC422 100 22 30 41.5 37 66 1.1 60 130/138 2.17/2.3 68 6
OSC430 100 30 40 54 48 72 1.2 70/75 170/144 2.83/2.4 78/82 6
OSC622 150 22 30 41.5 30 120 2.0 37/40 200/210 3.33/3.5 50/52 15
OSC630 150 30 40 54 48 140 2.33 45/48 220/216 3.67/3.6 58/64 15
OSC637 150 37 50 66 60 120/100 2.0/1.7 65 220/198 3.67/3.3 83/80 6
OSC645 150 45 60 80 72.5 120/100 2.0/1.7 75 220/198 3.67/3.3 90 6
OSC655 150 55 75 100 87 90 1.5 90 180 3.0 102 8
OSC675 150 75 100 134 116 90 1.5 120 180/168 3.0/2.8 132 8
OSC690 150 90 120 162 145 120 2.0 128 180 3.0 140 10
OSC6110W 150 110 150 198 173 120 2.0 150/160 192/171 3.2/2.85 200/205 8
OSC837 200 37 50 66 60 216 3.6 35 330/306 5.5/5.1 48/50 20
OSC845 200 45 60 80 72.5 270 4.5 35 372/305 6.2/5.1 53/56 20
OSC855 200 55 75 100 87 240 4.0 50 390 6.5 65 20
OSC875 200 75 100 134 116 270 4.5 60 408/348 6.8/5.8 70/78 20
OSC890 200 90 120 162 145 270 4.5 70 360 6.0 90 20
OSC8110 200 110 150 198 173 270 4.5 90 390 6.5 107 20

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