Milestone D series multistage centrifugal pumps are horizontal end suction type with horizontal inlet and vertical outlet, suitable for horizontal installation.
Milestone D series multistage centrifugal pumps are horizontal end suction type with horizontal inlet and vertical outlet, suitable for horizontal installation. The pump impeller is closed type. This pump could work with electric motor and diesel engine.
Specifications of Multistage centrifugal pump 200kw
Pump Model | D280-43X4 |
Pump type | Horizontal centrifugal multistage pump |
Inlet/Outlet Dia | 200mm |
Range of flow rate | 185-355m3/h |
Range of head | 152-188m |
Pump Stage | 4 stages |
Range of liquid temperature | -20℃-150℃ |
Rotation speed | 1480rpm |
Seal type | Mechanical seal/ Packing seal |
Rated motor power | 200kw |
Pump material | Cast iron/Cast steel/Stainless steel |
Structure of the multistage centrifugal pump
Impeller
Closed radial impellers with single inlet. Suction impeller on the first stage to achieve a better NPSH value.
Balancing device
The axial thrust is balanced through holes on the impeller in combination with a blocking bush. The residual axial thrust is absorbed by the ball bearings
Shaft Seal
Packing seal or mechanical seal can be easily installed, for various application needed. In the seal area the shaft is fit with replaceable protection bushes.
Drive
Direct drive with electric motor through elastic joint. Suction end drive, clockwise direction of rotation; it is possible to supply the pump with shaft end on delivery side (anti-clockwise direction of rotation), or with drive on both sides.
Selection chart
MD Clear Water Performance | ||||
Type | Flow | Head | Speed | Motor Power |
m3/h | m | r/min | kw | |
MD6-50x2 | 6.3 | 100 | 2950 | 11 |
MD6-50x12 | 6.3 | 600 | 2950 | 55 |
MD25-50x3 | 25 | 150 | 2950 | 30 |
MD25-50x12 | 25 | 600 | 2950 | 110 |
MD46-50x12 | 46 | 600 | 2950 | 160 |
MD85-67x9 | 85 | 603 | 2950 | 250 |
MD120-50x2 | 120 | 100 | 2950 | 55 |
MD120-50x9 | 120 | 450 | 2950 | 220 |
MD155-67x9 | 155 | 603 | 2950 | 450 |
MD360-40X10 | 360 | 400 | 1480 | 630 |
MD580-70X10 | 580 | 700 | 1480 | 1800 |
MD720-60x9 | 720 | 540 | 1480 | 1600 |
Applications
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