Sectional stainless steel multistage pump common troubleshooting

sectional multi-stage stainless steel water pump in use is the use of certain technical requirements, if not according to the manufacturer's technical requirements, use is used to produce. If the problems appeared in the process of using stainless steel multistage centrifugal water pump what should we do? Below the pump manufacturer pump industry professional and technical personnel to introduce the sectional multi-stage pump under common troubleshooting methods.

1, the sectional stainless steel multistage pump starts not to water:

pump with air or gas inlet pipe, or bottom valve closed lax irrigation water diversion, vacuum packing serious leakage, a gate or door closed lax.

ruled out: removing debris, the replacement of damaged rubber MATS, change the direction of the valve; Pressure or replace new packing, close the gate valve or door; Increasing irrigation amount, until don't bubble deflated plug place; Replace the crack pipe; Reduce the head, to press the pump nozzle into underwater 0. 5 meters.

2, sectional stainless steel multistage pump pump start-up not turn:

packing too tight or between the impeller and the pump body is sundry jam and congestion, or the pump shaft, bearings, minus leakage ring rust to live, or severe bending pump shaft.

ruled out: relax, dredge flume; Disassemble pump body to remove debris, rust; Remove the pump shaft correction or replacement of the new pump shaft.

3, heat sectional stainless steel multistage pump water pump bearing damage:

rolling bearing gap is too small or bracket cover; shaft bending or two different axis; Belt is too tight; Lack of oil or oil; Impeller balance hole plugging, impeller out of balance, increases the thrust to one side.

ruled out: replace the bearing; Demolition of rear cover in the bracket with shim between bearing; Adjustment pump shaft or two shaft concentricity; The appropriate loose belt tightness; Supplying clean butter, butter 60% of bearing inner space; Clean up balance hole plugs.

4, sectional stainless steel multistage pump after start-up flow:

or belt creep speed does not form a complete set, the rotational speed is low; Axial flow pump blade installation Angle is too small; Lift is insufficient; On the high side suction; Local blockage or bottom valve, pipe and impeller impeller defect; Outlet pipe leaking badly.

ruled out: restore the rated speed, remove belt oil dirties, adjusted the belt tightness; Adjusted the blade Angle, reduce the water pump installation location; Sealing water pump leakage, pressure packing; Unclog, replace the impeller; Replacement minus leakage ring, plug leaks.

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