Possible Malfunctions Of Fire Pumps: Leakage Of Packing Seals

May 05, 2025

Reason 1 for leakage of fire pump packing seal: Poor packing quality and poor sealing performance.

Corresponding measures: Choose asbestos fillers that meet the requirements for replacement.

Reason 2 for leakage of fire pump packing seal: excessive wear of the shaft sleeve.

Corresponding measures: Replace the shaft sleeve.

Reason 3 for leakage of fire pump packing seal: uneven packing size or severe wear.

Corresponding measures: Replace the packing with a uniform model.

Reason 4 for leakage of fire pump packing seal: too loose packing pressure.

Corresponding measures: Tighten the packing gland to an appropriate degree.

Reason 5 for leakage of fire pump packing seal: poor packing device.

Corresponding measures: Adjust the filling overlap so that it is staggered by an angle and not in the same direction.

Leakage of packing seal in fire pumps is one of the common faults of fire pumps. No matter where your fire pump comes from or which production enterprise it comes from, it is inevitable that as the service life of the fire pump increases, the packing seal will leak. But this is not a terrible or irreparable problem either. As long as daily maintenance is done well, the problem of sealing leakage of fire pump packing can actually be avoided. Thank you for your attention. For more common questions about fire pumps, if you don't understand, please feel free to consult at any time if you want to delve deeper.