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DF(S)-type mining use wear&corrosion resistent centrifugal multistage pump has features of anti-cavitation,high efficiency,energy conservation,reliable and service long life.Especially applied in mine drainage,pumping solid particle content which is not more than 5%(particle diameter is less than 0.5mm)mine water and other similar liquid.
The pump follows the standards of ISO、API、GB、ASTM and JIS.
■ Salt manufacturing industry
■ Seawater desalination
■ Process industry
■ Power plant
■ Chemical and petro-chemical industry
Matched Power：N=280-2240 kW
The pump is first stage impeller of double suction and the radial part segmental structure.The flagstaff connects the suction section,middle section and disgorge section to be a whole part.Pump rotor is constituted by the first double suction impeller,secondary impeller and balancing drum,etc.
Axial force balance:Axial force produced by balance drum and two thrust bearing balance impellers.
Bearing:The drive end uses imported SKF or FAG cylindrical roller bearing radial force, the non-driving end uses two imported SKF or FAG radial-thrust bearing to bear radial force and to balance residual axial force.
Shaft seal:Packing seal or mechanical seal shall be applied according to user’s demand.
Transmission:Driving is proceeded through the flexible diaphragm coupling driven directly by the prime motor.Pump rotates clockwise from the direction of driving end.
Heat dissipation of bearing:Lubricating ring is used to cool lubrication down.The effect shall be better if cooperated with fans and heat radiation rib.
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