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Thread: CO2 Solenoid sticking open!!! Reply to Thread
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Topic Review (Newest First)
05-26-2013 08:31 PM
happi Darkblade thanks for the pic, i have already sent the regulator for repair, i couldn't fix it
05-24-2013 05:56 PM
Darkblade48
Quote:
Originally Posted by happi View Post
this is the old post, but can anyone explain this further, with picture or art.
For example, the Burkert 6011 solenoid has directionality. If gas flows the wrong way, then the solenoid will not work as designed.



In this particular image, CO2 must flow from "P" to "A".

Image is not mine, and is Matt F's over at The Barr Report.
05-23-2013 04:26 PM
happi
Quote:
Originally Posted by shane3fan View Post
this may sound silly--but make sure you have the solenoid installed with the 'I' and 'O' oriented correctly ( in and out ) If the solenoid is backwards it wont seal.
this is the old post, but can anyone explain this further, with picture or art.
02-13-2013 11:24 PM
newday3000
CO2 Solenoid sticking open!!!

Debris is easily fixed by blowing off co2 on the tank before connecting the solenoid mine is fine for over a year since doing this at each tank refill
02-13-2013 04:54 PM
oldpunk78 Only when there's some debris in it.
02-13-2013 03:31 PM
herns Does anyone experience if this happens to Burkert?
06-26-2010 10:12 PM
newday3000 Not sure if people are describing the same problem. I believe my issue was from the piston not sealing or closing the hole completely. Cleaning restores it to normal and or the spring is too weak, or the piston is not aligned and rubbing on the way up and not fully closing the hole to block CO2.

I'm still operating fine since my cleaning and lubricant I added (described earlier in the thread).
06-26-2010 04:37 AM
Oreo Orlando has a post on his GLA site detailing with pictures how the Clippard solenoid valves are now being manufactured over seas and the quality has gone to crap. I agree. There are far higher quality valves then the clippard now I would look at Parker first (that's my thread above about two of them dieing. I purchased an incorrectly spec'd valve) and then maybe Burkert. Just make sure you're buying one that is spec'd proper for the job.
06-25-2010 10:09 PM
herns
Quote:
Originally Posted by shane3fan View Post
this may sound silly--but make sure you have the solenoid installed with the 'I' and 'O' oriented correctly ( in and out ) If the solenoid is backwards it wont seal.
A photo on post #17 shows where the leak is coming from.

http://www.plantedtank.net/forums/eq...leaking-2.html

I've read a lot of solenoid problems lately. I hope those folks who are looking for solenoids, particularly Clippards, would have a chance to read these threads before buying.

Thread Title: "Just had TWO parker solenoid valves die on me in one day!"
Link below.

http://www.barrreport.com/showthread.php?t=7326
06-25-2010 04:10 PM
DarkCobra
Quote:
Originally Posted by newday3000 View Post
When you say leaked, do you mean it's not closing and CO2 is passing through it when it should be off. (seen in a bubble counter as bubbles) OR it's leaking CO2 out of the solenoid?
If that's addressed to me, I meant passing CO2 when it should not have. I did not have the needle valve installed yet because I wanted make sure any debris was first flushed from the system. When on, the solenoid passed a blast of CO2. When off, it passed a small amount at 15 psi, which became rapidly greater as I increased pressure at the regulator.

If I'd had the needle valve installed before diagnosing the solenoid problem, I think I would have seen a similar bubble rate regardless of whether the solenoid was on or off. The leak was enough, and the flow restriction in a needle valve is so high, that it probably would have resulted in almost the same pressure at the needle valve input either way.
06-25-2010 12:50 PM
Momotaro To follow up on shane3fan: Improperly installed Clippard solenoids will "leak" CO2 via normal flow pattern.

The CO2 should flow in the same path as the word "CLIPPARD" on the label of the solenoid. If the label is removed, look inside the ports of the solenoid. The port with the large hole in the center is the INPUT port. The port with the small, offset hole is the OUTPUT port.
06-25-2010 12:02 PM
newday3000 When you say leaked, do you mean it's not closing and CO2 is passing through it when it should be off. (seen in a bubble counter as bubbles) OR it's leaking CO2 out of the solenoid?

My problem was failing to close when power was off and bubble counter was showing full BPS as if it was turned on.

my cleaning done earlier in this thread has solved the issue for now and solenoid is shutting off CO2 via PH controller with out any issues now. Need to monitor to see how long this latest cleaning lasts.

FYI I doubt my solenoid was installed backwards, since it came from GLA assembled.
06-25-2010 11:44 AM
DarkCobra
Quote:
Originally Posted by shane3fan View Post
this may sound silly--but make sure you have the solenoid installed with the 'I' and 'O' oriented correctly ( in and out ) If the solenoid is backwards it wont seal.
+1. I didn't see an 'I' or 'O' on mine though, so I just tried it out, and found it leaked.

Then I found this picture in a build guide:



And found it was backwards. I used the two holes in the metal solenoid body as the reference to which side was the input.
06-25-2010 03:16 AM
shane3fan this may sound silly--but make sure you have the solenoid installed with the 'I' and 'O' oriented correctly ( in and out ) If the solenoid is backwards it wont seal.
06-25-2010 03:01 AM
herns I have new Clippard that I have been using for barely a month and it was leaking!
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