PureFlex, Inc.

- Model 890 Series - Butterfly Valve

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PureFlex Series 890 Butterfly Valve bodies are manufactured from Derakane 411/470 vinyl ester reinforced with ECR glass fiber in a proprietary process developed by PureFlex providing outstanding corrosion resistance to thousands of media. The Lug and Full-Face 890 valves offer full flange support in FRP and light gauge metal piping systems.

The world's First all-composite butterfly valve in sizes 14' and larger

PureFlex Series 890 Butterfly Valve bodies are manufactured from Derakane 411 vinyl ester reinforced with ECR glass fiber in a proprietary process developed by PureFlex providing outstanding corrosion resistance to thousands of medias. The Lug and Full-Face 890 valves offer full flange support in FRP and light gauge metal piping systems.

The heavy cross section of the Series 890 Full-Faced and Lug PureFlexs valve also provide complete support for FRP pipe flanges which eliminates the problem of piping flange breakage at installation. The Lug style valves are directly threaded and possess steel-like thread strength to resist high torque loading. PureFlex Series 890 Butterfly Valves are available in sizes 14'-42'

Shaft
17-4PH Stainless-Double 'D'. All wetted areas are fully encapsulated with glass reinforced Derakane 411 resin. Other materials available.

Corrosion Resistant
Virtually indestructible glass fiber reinforced Derakane 411 resin structure with double synthetic veil/ECR Derakane 411 corrosion liner. Valve Body rated to 150 psig, tested per MSS SP-68. Shell safety factor over 20x maximum rated working pressure.

Seat
Double offset Viton seat retainer. Can be replaced in (60) seconds

Typical Services

  • Chlorinated Brine
  • Chlorine Dioxide
  • Chlorinated Water
  • Wet Chlorine Gas
  • Sodium Chlorate
  • Sulfuric Acid
  • Phosphoric Acid
  • Hydrobromic Acid
  • Hydrochloric Acid
  • Plating Solutions
  • Pesticides
  • Flue Gas Scrubbers

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