Leaking regulator
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Old 09-15-2012, 12:51 AM   #1
ltsai
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Leaking regulator


Hi,

I'm using a single stage, single gauge regulator and no solenoid.

I opened the tank valve and the regulator shows about 1000 psi. To test for a secure connection between the tank and regulator, I shut the tank valve and left it standing for about 48 hours.

The PSI gauge has dropped about 100 psi.

Is there a confirm leak?

But I tested with soapy water around all connections and I couldn't detect a leak.
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Old 09-15-2012, 12:59 AM   #2
Bettatail
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It is ok to me, the 100 psi drop from1000 psi, probably the temperature goes into play.
If the leak rate is 1 bubble per 5 seconds, you can notice a sharp decrease in 48 hours.
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Old 09-15-2012, 01:05 AM   #3
ltsai
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Ah, didn't think about the temperature change.

Now I kept it in a cool dark place in my storage room.

Let's see how it goes...
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Old 09-15-2012, 01:40 AM   #4
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I really commend you for doing the testing with soapy bubbles. If it is done thoroughly, it will show even tiny leaks. One time far far away, I worked on telephone cables which were designed to hold air. The best way to find tiny leaks was with soap. These were cables meant to be aired up and stored outside for months without getting wet so even the tiny leaks were a problem. Many new folks could not do the soap testing due to their need for speed. They just would not smear the soap on and wait for a couple minutes to see if any bubbles were getting bigger. It is slow and tedious but has big rewards when you don't want to lose your CO2 quickly.
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Old 09-15-2012, 01:43 AM   #5
ltsai
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I don't think I should submerge the tank + regulator under water, right?
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