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Author Topic: vibration at running pressure  (Read 4974 times)

sprinklefish@comcast.net

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vibration at running pressure
« on: June 27, 2012, 07:32:43 AM »
The cycle valve starts to vibrate slightly at first, as pressure goes up the vibration gets worse.  Is there air in the main line
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Cary Austin

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Re: vibration at running pressure
« Reply #1 on: June 27, 2012, 11:59:57 AM »
If it is a 2" or larger valve, there maybe air in the top chamber.  You can loosen the top plug to let the air out.  Air in the mainline will cause a slower pulsing, not really a vibration.
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