... impellers.2. Designation:10/8(200)NZJ-ST (TU, C, D, E, S, R)-AH (AHR, M, HH)10---- diameter of pump ... 200mmNZJ----Naipu Group, initial letters for slurry pumpST (TU, C, D, E, S, R)---- mode of baseAH (M, HH) ----slurry pumpAHR---- wear ... four types of configurations, which are A, B, C and D. The user shall select his configuration when placing an order ...