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  • Users: pohj
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  1. pohj

    Bray lined butterfly valves

    Bray’s stem and disk design is a three part system, consisting of an upper stem, disk and lower stem. The upper stem and the disk are pressed together during assembly. It’s not clear how the lower stem is connected; I can only assume that the lower stem is pressed in as well. Both lower and...
  2. pohj

    Bray lined butterfly valves

    Has any one out there, had any experience with Bray Series 23 PTFE line Butterfly valves in NaOH or KOH service. I have a concern with bray stem and disk design.

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