Suction diameter |
300mm |
Pumps casing |
Ni-hard 4 |
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Discharge connection Ø |
300mm |
Impeller |
Bainitic Nodular or Ni-hard 4 |
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Impeller Ø (vanes) |
704mm |
Wearing plates |
Ni-hard 4 |
|
Width in the impeller |
175mm |
Suction mouth |
Ni-hard 4 |
|
Spherical pump passage |
155 mm |
Shaft |
Steel 34CrNiMo6 |
|
Hydraullics Drive |
2xVoac hydraulic motor, via a gearbox |
Jet water: |
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Max. rqd. Oil flow |
700l/min (continuous) |
Discharge connection. |
150 mm |
|
Continuous rqd. Oil pressure |
225 bar (delta p) |
Advised min. avail. capacity |
200-350 m³/u, at 5 bar |
|
Motor speed with this flow |
Approx. 1,450 r.p.m. |
Impeller: The impeller is of a closed type with 4 vanes and is statically on the impeller shaft by a torque coupling. Sense of rotation, seen to the suction side: Clockwise. |
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Pump performance: |
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Pump speed w/ max oil flow |
Approx. 700 r.p.m. |
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Max avail. Power at pump shaft |
Approx. 250 kW |
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Capacity DOP 3025 |
See QH curves |
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Power taken off at the shaft |
See QH curves |
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Sealing |
Oil lubricated mechanical seal seals the shaft. |
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Working depth: |
Maximum working depth for the standard executed DOP pump is -40m. However, greater working depths are possible after special adjustments. |
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Execution: |
- The suction pipe is provided with a suction mouth with 8 jet water nozzles and a dirt grit or alternatively with a flat suction head with jet water ring and dirt grit. - A protective casing, made of steel, is surrounding the dredge pump and drive. |