Two mechanical shaft seals for both, drive-end and non drive-end of the pump.
When mechanical shaft seals are renewed in a pump, we always recommend renewing of the bearings as well.Read More
When you must renew the mechanical shaft seals of the pump, you must first dismantle the bearings, which will cause an internal damage on the bearings. Although not always obvious to the naked eye, an internal damage of bearings always occurs when they are dismantled from the pump.
Subsequently, they must be replaced for the pump to operate properly.