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Class 125 Cast Iron Sure Check Valves

Series 71U Class 125 Cast Iron Sure Check Valves are designed for liquids and gases where flow reversal can cause surge and water hammer. Elastomer seats provide bubble-tight shutoff.


  • Dual shaft design allows interchangeability of shafts
  • Compact design with short face-to-face dimensions minimizes space requirements
  • Torsion springs close valve prior to flow reversal and provide long sealing capability
  • Buna-N elastomer seats

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 71U

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: