APV 0356279651 is a mechanical shaft seal OEM reference for the APV W pump range. The listed pump models are APV W 50/50, 50/100, 60/300, 70/30, 80/50, 100/130, 30/100, 25/200. The referenced specification lists a 35 mm shaft diameter, silicon carbide (SiC) rotating and stationary sealing faces, and EPDM elastomers. The corresponding KE MOTION HYDRO product reference is NT W.