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QJD. QJ Multistage Deep-well submersible pump consists of motor and multistage pump.The pump consists of impeller,vane,pump body, inlet flap,outlet flap,shaft and bearing.The motor is applied with double -face mechanic sealing with"0" shaped rubber ring as static sealing.
This series pump is extensively used for electrical irrigation, forest water spraying, water pumping from well, water tower deliver and urban construction water supply and discharge for farms, villages, industrial and mining enterprise.
Condition of usage:
The pump can work properly and continuously under following operational conditions:
1.Medium is not corrosive .Sand contents should be max.0.10% by volume and granular size should be max.0.20mm.
2.Medium temperature shouldn’t be over 40*C and PH should be 6.5-8.5.
3.The pump should be opera ted within rated head. The pump should be min.0.5m over the water bottom and not be inserted into sludge.
4.Power frequency should be 50Hz,single phase voltage 220V,three-phase voltage 380V, and voltage fluctuation should be 0.9-1.1 times than the rated.
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