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The reasons of sudden high pressure after hydraulic gear pump stopping
| Author : Xiong Date : 11/19/2012 5:10:10 AM |
The reasons of sudden high pressure after hydraulic gear pump stopping
1, hydraulic gear pump after stopping pressure rise suddenly, only two reasons:
1), hydraulic gear pump's output of the "check valve" dama
2), if the pump output end was not put "check valve, then, affirmation is the pump next level check valve or valve wrong. Let work system" working pressure (pressure) by secondary pump back into the first gear pump). Due to keep unit, secondary pump work, therefore, keep unit pump not overpressure.
2, hydraulic gear pump flow too big how to solve? In addition to the replacement of gear pump and lower speed, but also what method, install overflow valve line?
That hydraulic gear pump output line coat a relief valve can reach it. Seems to have no better way, installation throttle valve, it will be hard damage pump.
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Pressure switch
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