American AVK Company

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HDPE Series 891

Series 891:   Wafer Butterfly Valve

The AVK Fusible Wafer Butterfly Valves are designed to be installed into flanged piping systems -Whether HDPE or not. The Series 891 utilizes existing flanges and eliminates the need for valve spacers. The wafer valve is preferred in applications where easy access into the piping system is needed.


  • 100% HDPE body
  • IPS, SDR 11, HDPE fusible ends standard
  • 316 Stainless Steel disc standard
  • Operating levers for 2"-6" sizes
  • Gearboxes for 8"-12" sizes