During normal operation of the fire pump the excess water will drip from the pump.
Fire pump packing leaking.
Follow these two steps.
You ll be confident that your system is ready to operate with real time monitoring and the added benefit of alerts and alarms notifications that you can configure.
Adjust the followers one flat or of a turn every 30 minutes or until the leakage is controlled.
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Start the pump and allow the packing to leak freely at start up.
The packing gland should be placed on top of the packing.
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More water is brought to the packing than can be absorbed.
At the beginning of the pump operation loosen the gland nuts and allow the packing boxes to leak liberally.
Overtightening is the most common cause of packing failure.
When compression packing fails the consequences can be devastating.
When adjusting pump packing the goal is to arrive at the lowest acceptable leak rate while maintaining thermal equilibrium.
Packing failure can cause pump damage pump failure and unscheduled plant shutdowns not to mention the cleanup effort.
For most braided pump packing liquid leakage is absolutely necessary to provide lubrication and cooling of the sealing surface and ensure the seal s long life.
Remember extra consideration during break in will result in longer packing life.
Our blog today looks at the proper procedures for packing gland adjustments which will help extend the service life of your fire pump.
The amount of leakage is controlled by the packing gland d.
Feel the packing gland be careful of the rotating shaft to see if the packing gland is too hot or uneven which will result in damage to the pump shaft.
But as the pump and packing start to set in you can expect a couple years of consistent and reliable service.
These pumps have continuous dripping from the packing gland even when the pump is not running.
Considering the potential cost impact keeping compression packing functioning properly may well be the most critical factor ensuring that the pump keeps working.
