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Rebuilt valve sticking open

Discussion in 'Irrigation' started by ArTurf, Aug 6, 2013.

  1. ArTurf

    ArTurf LawnSite Platinum Member
    Male, from Ark
    Messages: 4,263

    Approx 2 weeks ago I rebulit an old Buckner valve (which Ewing now sells under their name). Replaced the diaphram and top end and it worked fine. Got a call today and the valve was stuck open. HO eventually turned off the water supply. I went out and turned the water back on and the valve had closed. I went ahead and pulled the top and checked for debris and flushed the valve. It was working fine when I left but am wondering if it's going to act up in the future. Don't really want to bill the customer till I know it's right. Ever worked any similiar cases or have any thoughts?
     
  2. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 50,261

    Plastic valve? Flow control on the new bonnet?
     
  3. ArTurf

    ArTurf LawnSite Platinum Member
    Male, from Ark
    Messages: 4,263

    Plastic & no flow. I didn't mention it but the reason I rebuilt it was because it was not opening.
     
  4. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Messages: 50,261

    Buckner used to catalog an imitation Richdel valve, but that was a while ago. A flow-control bonnet, appropriately throttled down, would be good insurance against a repeat stick-open.
     
  5. bcg

    bcg LawnSite Bronze Member
    from Tx
    Messages: 1,865

    I have this happen with older valves (the HR100, etc.) from time to time. My rule is if it sticks open more than 1 time after a rebuild, I replace the valve. I'm sure it could be fixed but callbacks are lost opportunity and the customer just wants it to work. I bill the difference between the rebuild and the replacement if it needs to be replaced.

    I think on some of those 20+ year old valves that parts of the body wear over time and the new diaphragms just don't "fit" as well.
     
  6. ArTurf

    ArTurf LawnSite Platinum Member
    Male, from Ark
    Messages: 4,263

    Good idea. I'll replace the top with a flow if it keeps sticking

    bcg,
    This valve would be a tough replacement but I know what you mean. After a certain point that's what needs to be done.
     
  7. Mike Leary

    Mike Leary LawnSite Fanatic
    Messages: 23,097

    Flow controls rule, that's the only way to seat the diaphragm to the valve body.:clapping:
     
  8. azsprinker

    azsprinker LawnSite Member
    Messages: 12

    A flow-control bonnet I think is going to be your best bet here while just replacing the valve would be your second best option. I would definitely suggest though, this you continue to have problems consider replacing the valve, or having someone come out and do it for you.
     
  9. Kiril

    Kiril LawnSite Fanatic
    Messages: 18,334

    IMO, you shouldn't be billing the customer for this, it should be covered by warranty.
     
  10. Mike Leary

    Mike Leary LawnSite Fanatic
    Messages: 23,097

    Jeez, things have changed for the better; factory warranty now covers parts and labor? :dizzy:
     

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