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Class 300 Suction Diffusers

Series 1012 Class 300 Suction Diffusers provide economical and compact pump protection by straining foreign particles and providing proper flow conditions to the pump. This series mounts directly to the suction side of a pump in either the horizontal or vertical position.


  • Knobs open quickly for easier maintenance access
  • Reduces installation cost and joint leak paths because one unit acts as elbow, strainer, and entry pipe to the suction side of the pump
  • O-ring seal eliminates need to clean sealing area and install a new flat gasket
  • Rating: 300 psi at 100°F

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 1012

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: