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DS Series 1200-2400 hp
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The DS Series is known throughout the industry for quality and dependability. Available in a number of configurations, these cost effective units are easily adaptable to a wide variety of applications.
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Design Philosophy
Available in the following models:
- DS 422, DS 502, DS 602 - 2 Throw Frame
- DS 424, DS 504, DS 604 - 4 Throw Frame
| DS Series™
FRAME SPECIFICATIONS |
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DS 422 |
DS 424 |
DS 502 |
DS 504 |
DS 602 |
DS 604 |
| Rated Speed- Max.(RPM)* |
1600 |
1600 |
1500 |
1500 |
1200 |
1200 |
| Max. HP/kW |
1200/895 |
2400/1790 |
1200/895 |
2400/1790 |
1200/895 |
2400/1790 |
| Number of Throws |
2 |
4 |
2 |
4 |
2 |
4 |
| Max. Number of Stages |
2 |
4 |
2 |
4 |
2 |
4 |
| Rod Load - Tension
(lb/kg) |
18,000/ 8165 |
18,000/ 8165 |
35,000/ 15,873 |
35,000/ 15,873 |
35,000/ 15,873 |
35,000/ 15,873 |
| Rod Load Compression
(lb/kg) |
22,000/ 9979 |
22,000/ 9979 |
35,000/ 15,873 |
35,000/ 15,873 |
35,000/ 15,873 |
35,000/ 15,873 |
| Combined Rod Load
(lb/kg) |
40,000/ 18,144 |
40,000/ 18,144 |
70,000/ 31,746 |
70,000/ 31,746 |
70,000/ 31,746 |
70,000/ 31,746 |
| Stroke (in/mm) |
4.25/ 107.9 |
4.25/ 107.9 |
5.0/ 127 |
5.0/ 127 |
6.0/ 152.4 |
6.0/ 152.4 |
| Piston Rod Diameter
(in/mm) |
1.5/38.1 |
1.5/28.1 |
2.0/50.8 |
2.0/50.8 |
2.0/50.8 |
2.0/50.8 |
| Crankshaft Material |
4140 F.S. |
4140 F.S. |
4140 F.S. |
4140 F.S. |
4140 F.S. |
4140 F.S. |
| Connecting Rod Material |
F.S. |
F.S. |
F.S. |
F.S. |
F.S. |
F.S. |
| Crankpin & Main
Bearing Dia. (in/mm) |
5.0/127 |
5.0/127 |
5.0/127 |
5.0/127 |
5.0/127 |
5.0/127 |
| Crankpin & Main
Bearings - width (in/mm) |
2.75/ 69.8 |
2.75/ 69.8 |
2.75/ 69.8 |
2.75/ 69.8 |
2.75/ 69.8 |
2.75/ 69.8 |
| Connecting Rod Pin
Bushing - Dia. (in/mm) |
3.0/76.2 |
3.0/76.2 |
4.5/114.3 |
4.5/114.3 |
4.5/114.3 |
4.5/114.3 |
| Connecting Rod Pin
Bushing - Length (in/mm) |
3.5/88.9 |
3.5/88.9 |
3.5/88.9 |
3.5/88.9 |
3.5/88.9 |
3.5/88.9 |
| Unit Length (in/mm) |
47.5/ 1206.5 |
83.5/ 2120.9 |
47.5/ 1206.5 |
83.5/ 2120.9 |
47.5/ 1206.5 |
83.5/ 2120.9 |
| Unit Width (in/mm) |
121.5/ 3086 |
121.5/ 3086 |
166/ 4216.4 |
166/ 4216.4 |
166/ 4216.4 |
166/ 4216.4 |
| Unit Weight with cylinders
(lb/kg) |
7450/ 3379 |
11,100/ 5034 |
9900/ 4490 |
24,750/ 11,226 |
9900/ 4490 |
24,750/ 11,226 |
| Specifications noted here may vary depending upon unit configuration.
F.S. = Forged Steel. *Some cylinders may require lower speeds. |
| DS422/DS424 SERIES CYLINDER
COMBINATIONS |
| Operation |
Material |
Bore (in) |
MAWP (psig) |
Liner |
Cooling |
| Double Acting |
D.I. |
4.0, 4.25, 4.5 |
1850 |
No |
Air |
| Double Acting |
D.I. |
4.75, 5.0, 5.25,
5.5 |
1750 |
No |
Air |
| Double Acting |
D.I. |
5.75, 6.0, 6.25,
6.5 |
1140 |
No |
Air |
| Double Acting |
D.I. |
6.75, 7.0, 7.25,
7.5 |
840 |
No |
Air |
| Double Acting |
D.I. |
7.75, 8.0, 8.25,
8.5 |
635 |
No |
Air |
| Double Acting |
D.I. |
9.0, 9.5, 10.0, 10.5 |
525 |
No |
Air |
| Double Acting |
D.I. |
11.0, 11.5, 12.0,
12.5, 13.0 |
275 |
No |
Air |
| Double Acting |
D.I. |
13.5, 14.0, 14.5,
15.0, 15.5 |
200 |
No |
Air |
| DS502/DS504/DS602/DS604
SERIES CYLINDER COMBINATIONS |
| Operation |
Material |
Bore (in) |
MAWP (psig) |
Liner |
Cooling |
| Double Acting |
F.S. |
3.0, 3.25, 3.5, 3.75 |
4700 |
Yes |
Air |
| Double Acting |
F.S. |
3.5, 3.75, 4.0, 4.25 |
3600 |
Yes |
Air |
| Double Acting |
F.S. |
5.5, 5.75, 6.0, 6.25 |
3600 |
Yes |
Air |
| Double Acting |
D.I. |
4.5, 4.75, 5.0, 5.25 |
2500 |
Yes |
Water |
| Double Acting |
D.I. |
5.5, 5.75, 6.0, 6.25 |
2200 |
Yes |
Water |
| Double Acting |
D.I. |
6.75, 7.0, 7.25, 7.5 |
1800 |
Yes |
Water |
| Double Acting |
D.I. |
8.5, 9.0, 9.5 |
1500 |
Yes |
Water |
| Double Acting |
D.I. |
10.0, 10.5, 11.0 |
1250 |
Yes |
Water |
| Double Acting |
D.I. |
12.0, 12.5, 13.0,
13.5 |
800 |
Yes |
Water |
| Double Acting |
D.I. |
14.0, 14.5, 15.0 |
635 |
Yes |
Water |
| Double Acting |
D.I. |
15.5, 16.0, 16.5 |
635 |
Yes |
Water |
| Double Acting |
D.I. |
17.0, 17.5, 18.0,
18.5 |
250 |
Yes |
Water |
| Double Acting |
D.I. |
19.0, 19.5, 20.0,
20.5, 21.0 |
250 |
Yes |
Water |
| Double Acting |
D.I. |
21.5, 22.0, 22.5 |
250 |
Yes |
Water |
| Double Acting |
D.I. |
23.5 |
250 |
Yes |
Water |
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| PIPELINE APPLICATIONS |
| Operation |
Material |
Bore (in) |
MAWP (psig) |
Liner |
Cooling |
| Double Acting |
D.I. |
10.0, 10.25, 10.5,
10.75, 11.0 |
1250 |
Yes |
Water |
| D.I. = Ductile Iron F.S. = Forged Steel C.I. = Cast Iron |
For More Information
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