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Recent content by Nengfrd

  1. N

    Surge Protection

    Thanks for all pierreick, Have you ever used this device? How does its cost compare to a surge tank (hydropneumatic)?
  2. N

    Surge Protection

    " wave anticipation valve " opens when the line has a vacuum due to the wave and will close later when the the nominal pressure is reached, end of surge. ( like Dorot S300-REEL or Bermad MN-735 )
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    Surge Protection

    Good afternoon I would like to know your experience with 2 devices that I have observed in some installations to reduce the effects of surge pressures: a) Dynamic combination air valve (cushioned closing) b) Surge anticipation valve. Would they be efficient and reliable? How could they be...

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