Circulating water vacuum pump is a centrifugal pump model of a product. Circulating water vacuum pump temperature within 120 degrees. Circulating water vacuum pump failure mainly without water, lack of flow, noise, vibration, leak several kinds of faults, the following specific explanations of various causes of failure and solutions.
First, the circulating water vacuum pump failure Water is not the reason for the import and export of hot water pump valve is not open, out of the pipeline obstruction, impeller impeller blockage. The solution is to remove the obstruction. The motor runs in the wrong direction. The motor is out of phase. The speed is very slow. Adjust the direction of the motor. Sturdy motor wiring. Circulating water vacuum pump Suction tube leakage: Tighten the sealing surfaces to eliminate the air. Cavity with air: Open the pump cover or open the exhaust valve, drain the air; import and export of inadequate water supply, suction stroke is too high, the bottom valve leakage: downtime inspection, adjustment (grid connection pipe and with suction use prone to this Phenomenon); pipeline resistance is too large, improper selection of centrifugal pumps: reduce pipe corners, re-election pump.
Second, the circulating water vacuum pump failure due to lack of flow pipe, circulating water vacuum pump impeller impeller blockage, scale deposition, valve opening insufficiency: to remove the obstruction, to re-adjust the valve opening; centrifugal pump voltage is low: regulator; impeller Wear and tear: replace the impeller; over the rated flow Use: to regulate the flow of small outlet valve off; centrifugal suction stroke too high: lower suction stroke; pump bearing wear: replace the bearing.
Third, the circulating water pump failure noise vibration causes instability pipeline support: a solid pipeline; liquid mixed with gas: to enhance the suction pressure exhaust; produce cavitation: reduce the degree of vacuum; bearing damage: replacement of bearings; motor overload heating operation : Regulate the flow of small outlet valve.
Fourth, circulating water vacuum pump fault motor heating reasons circulating water vacuum pump flow is too large, overload operation: off the small outlet valve; touch rub: check exclusion; circulating water vacuum pump motor bearing damage: replace the bearing; voltage shortage: regulator.
Fifth, the circulating water pump failure causes leakage of circulating water vacuum pump seal wear: replacement; pump sand holes or cracks: welding repair or replacement; sealing surface uneven: trimming; loose bolts installation: fastening.
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