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Model S pump is a single-stage double-suction horizontal split centrifugal pump and used to transport pure water and the liquid of both physical and chemical nature similar to those of
water, the maximum temperature of which must not be over 80 ℃,suitable for water supply and drainage in factories, mines, cities and electric stations, waterlogged land drainage and irrigation of farming land and carious hydraulic projects.
This series pump comply with the standards of GB/T3216 and GB/T5657.
Both inlet and outlet of this pump are placed under the axial line, horizontally and vertical to the axial line, the pump casing is opened in the middle so it is unneccessary to remove the water inlet and outlet pipelines and motor(or other prime movers). The pump moves CWviewing from the clutch to it. The pump moving CCWcan also be made, but it should be specially noted at order.
The main parts of the pump are: pump casing(1), pump cover (2), impeller(3), shaft(4), dual-suction seal ring(5), muff(6), bearing(15) etc.and all of them, except the axle which is made of
quality carbon steel, are made of cast iron. The material may be replaced with others upon different media.
Both pump casing and cover form the working chamber of the impeller and there are threaded holes for mounting vacuum and pressure meters on the flanges at both inlet and outlet and for water draining on the lower side of them.
The impeller is static-balance calibrated, fixed with the muff and the muff nuts in both sides and its axial position can be adjusted via the nuts and axial force gets balanced by means of
the symmetrical arrangement of its blades, there may be residual axial force which is borne by the bearing at the axle end.The pump shaft is supported by two single-column centripetal
ball bearings, which are mounted inside of the bearing body on both ends of the pump and lubricated with grease. The dualsuction seal ring is used to reduce the leak at the impeller.
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