CHANGSHA SANCHANG PUMP CO., LTD.
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Horizontal Ring Section Self-Balancing Multistage Centrifugal Water Pump MDP85-45X4
This pressure loss results in an axial force acting upon the balancing device which counteracts the impeller's axial thrust and effects the required balancing. Balancing devices are used when the axial thrust involved is extremely high, as is the case with super pressure pumps.
In any centrifugal pump, each impeller tends to produces some amount of thrust because of different pressures and different geometries on the two sides of the impeller. In a high pressure multi-stage pump (such as BFW) the number of impellers is high, thus the net thrust would be large unless something is done to balance it out. The two main ways to reduce the net thrust are to oppose the impellers or to use a balance disk/drum. For axial split pumps, it is usually most economic to oppose the impellers. About half of the stages are oriented with the suction pointing toward the coupling and the rest are oriented with the suction toward the thrust bearing. The thrust of the stages pointed in opposite directions tend to cancel out. The net thrust that the thrust bearing must take is much smaller than it would be if they all pointed in the same direction.
Applications
* Boosting in General Industries of chemical process
* Boiler water feeding
* Commercial water supply, High building water supply
* Mining water discharge
* Supper long distance water transferring
Parameters
| Flow Capacity | 55-100 m3/h | Delivery Head | 117-510 m |
| Inlet/Outlet Dia. | 100mm/100 mm | Working Pressure | ≤ 7.65 MPa |
| Liquid Temperature | 0 - 120 ℃ | Driven By | Electric Motor / Diesel Engine |
| Seal Type | Mechanical seal / Gland packing | Liquid | Clean water or similar |
| Material of Construction | Cast Iron / Cast Steel / S.S304 / S.S316 / Duplex S.S2205 | ||
