Bell & Gossett 3/4″ EPT Mechanical Seal Bell & Gossett 185223LF – Seal Kit No. 14 (EPT) Bell & Gossett seal kit for B&G series 60 and 90 pumps, as well as, series 80 pumps with a 1-5/8″ shaft size. Seal kits prevent the pump from leaking water at the pump shaft. It is recommend to order a new pump cover gasket when replacing the seal kit as it necessary to replace it each time the pump is opened for maintenance.