Mechanical seal R-706B for GRUNDFOS BBUE pumps of the TP, LM, LP, NM, NP series with shaft diameters of 12mm and 16mm. Mechanical seal for pumps Grundfos TP, NB, NK, TPD, TPE, TPED with a shaft diameter of 28 millimeters.
This part belongs to the list of wear parts with an estimated service life of 2-3 years. As a rule, mechanical seals for this type of pump fail due to wear or dry running. A signal about the need to replace the mechanical seal is a leak from under the pump shaft. On the assembly drawings, this position is indicated at 105.
