Grundfos 9843904 replacement mechanical seal to suit NBG/NKG end Suction pumps
This seal is an aftermarket direct replacement for the OEM version and suits various Grundfos NBG/NKG size end suction standard pumps.
This seal fits the following pump sizes:
50-32-160
65-40-200
50-32-200
65-50-160
80-50-200
80-65-160