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PVB question

Discussion in 'Irrigation' started by Dirt Boy, Aug 29, 2011.

  1. Dirt Boy

    Dirt Boy LawnSite Senior Member
    Messages: 489

    Who are you asking? The piggybacker?

    If you're asking me, then its a VFD setup. I will have to apologize if the VFD method doesn't use a pressure switch. I just "assumed" :hammerhead:that that is what was used.
  2. bcg

    bcg LawnSite Bronze Member
    from Tx
    Messages: 1,860

    VFD uses some fairly high-end electronics to control the pump. I think a pressure tank CSV combo is better because there is less complexity and fewer failure points but either way, I still wouldn't worry about a PVB doing what it's designed to do.
  3. AI Inc

    AI Inc LawnSite Fanatic
    Messages: 26,072

    No, its actualy a flow senser.
  4. Sprinkus

    Sprinkus LawnSite Silver Member
    Messages: 2,237

    VFD uses a pressure transducer, or pressure transmitter as called in this VFD lesson.
  5. AI Inc

    AI Inc LawnSite Fanatic
    Messages: 26,072

    Thanks for posting

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