As an alternative to packing materials Mechanical Seals can compensate for shaft width, axial/radial end play, vibration & wearing of the sealing faces in pump applications. See typical configurations & applications in this video.
Berliss is a proud manufacturer of high quality, cost effective mechanical seals for a wide range of applications such as pool & spa pumps, centrifugal pumps and well point pumps. Berliss stocks a complete line of drop-in replacement mechanical seals ranging in shaft sizes from 3/8" to 4". We also offer a selection of seal head and stationary seats in various dimensions and materials.