The amount of leakage is controlled by the packing gland d.
Fire pump packing leaking.
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Our blog today looks at the proper procedures for packing gland adjustments which will help extend the service life of your fire pump.
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.
Remember extra consideration during break in will result in longer packing life.
If you have any questions about replacing fire pump packing or would prefer we perform the service for you simply pick up the phone and call us at 302 652 4722.
Overtightening is the most common cause of packing failure.
Tighten down the followers.
Adjust the followers one flat or of a turn every 30 minutes or until the leakage is controlled.
But as the pump and packing start to set in you can expect a couple years of consistent and reliable service.
Packing failure can cause pump damage pump failure and unscheduled plant shutdowns not to mention the cleanup effort.
Considering the potential cost impact keeping compression packing functioning properly may well be the most critical factor ensuring that the pump keeps working.
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.
Follow these two steps.
The packing gland should be placed on top of the packing.
During the break in period adjustments should be made gradually one flat at a time allowing 5 to 10 minutes between adjustments.
During normal operation of the fire pump the excess water will drip from the pump.
When adjusting pump packing the goal is to arrive at the lowest acceptable leak rate while maintaining thermal equilibrium.
More water is brought to the packing than can be absorbed.
These pumps have continuous dripping from the packing gland even when the pump is not running.
Packing adjustment will be more frequent at first.
Start the pump and allow the packing to leak freely at start up.
