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Old 05-05-2013, 03:47 PM   #1
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Default Weird Regulator issue, please help

I have had issues with leaks in my system but I think I have most all of them solved. The issue I am having is that when I turn the screw to increase the keg (low side) pressure to 10 PSI the needle on the low pressure gauge goes nuts vibrating and bouncing. I can also hear the regulator hissing. When this occurs I have soaped the entire gauge and zero bubbles appear. I have taken the regulator apart and found no internal issues (beer, liquid, etc...) The only part of the regulator that I didnít dis-assemble was the screw-in poppet in the middle of the regulator. When I turn the pressure back down to about 8 PSI the vibrating stops. I purchased the regulator about 2 years ago and it started doing this about 2 months ago. TIA


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Old 05-05-2013, 05:34 PM   #2
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I had one do that found the check valve was sticking


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Old 05-05-2013, 07:47 PM   #3
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thx. maybe due to beer getting in it?
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Old 05-05-2013, 10:17 PM   #4
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Is ^that the untold part of the question?

Cheers!
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Old 05-06-2013, 01:01 AM   #5
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Beer in gas QD but I don't think it got as far as the regulator due to the T in my line.
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Old 05-06-2013, 02:21 AM   #6
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I'm having this same problem with dual body regulator I just received with my kegging kit. One of the gauges is acting the same way (needle going bezerk at anything over 8psi, buzzing real bad, etc.).

I'm a total n00b here, so could you explain more about the check valve sticking, and how I could go about fixing it?
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Old 05-06-2013, 02:26 AM   #7
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Just pick up a new low pressure gauge. LHBSs sell them for around $10. Most of these plastic gauges are throwaway items.
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Old 05-07-2013, 02:04 AM   #8
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So is it more likely the gauge or the check valve?
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Old 05-07-2013, 02:23 AM   #9
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Can you remove the check valve and see what happens to the gauge? If it's really a check valve, there's a spring loaded ball inside, and if that is sticking, it might cause the gas flow to chatter, and the gauge would just be a witness...

Cheers!
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Old 05-07-2013, 08:20 PM   #10
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It could be the check valve. You are saying that the air comes out, but it vibrates? If the air comes out of the end of the check valve, but you are getting a vibration it is probably the duck bill valve or the ball valve depending which type your regulator has. This generally does not hurt anything and we see this happen even on new regulators. It will make noise or vibrate while a large amount of volume is coming out, but this will stop once the pressure equalizes out. I don't completely understand what it is doing, but you are welcome to call me and I will help you troubleshoot it over the phone. Our number is 325-356-5204 and my name is Todd.


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