Rotating Assemblies to replace Allis Chalmers NSR’s July 24, 2014 abbadesign Latest Projects Two complete rotating assemblies, ABBA model ACN 0423/NSRFM with vortex impellers. All in standard construction but with special CD4MCU wear plate. Sold to our Rep, Bendlin Inc, for Cape May County MUA Please Share This Tweet Share Plus one Pin It Related Posts 10 Things you should know about our product! 10 Things you should know about the quality of our product. ABBA Parts… Repair or Retrofit? Advantages and Disadvantages of Different Types of Centrifugal Pumps in Wastewater Treatment Pumps play a major role in water and wastewater treatment plants and pumping stations. Ease… Come see us at NEWEA 2019 and win a door prize!!