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  1. DAquilina

    Durability of Nylon 11 coated disc (butterfly valve)

    That is the big question, right now our spec only accepts bronze discs and though nylon coated discs may work well, at one point they are going to break down, chip and potentially damage our system. Your comment follows this line of thinking. Thanks, Dave
  2. DAquilina

    Durability of Nylon 11 coated disc (butterfly valve)

    gerhardl, Thank you for the advice.
  3. DAquilina

    Durability of Nylon 11 coated disc (butterfly valve)

    I am considering accepting a butterfly valve that has a nylon 11 coated disc in a hydronic piping specification (for commercial/institutional HVAC applications). Currently, our specification calls for a bronze disc and I am considering expanding that to include a nylon coated disc. My...

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