Pressurized CO2...Just thought I'd share. - Page 17
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Old 12-06-2013, 02:29 AM   #241
Darkblade48
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From what I understand, your regulator knob is loose and turned all the way counterclockwise when you attach the regulator to your CO2 cylinder.

Upon opening the CO2 cylinder valve, gas immediately start coming out of your pressure release valve.

This indicates a possible diaphragm rupture (high pressure side).

The low pressure diaphragm is not even in use yet, since you said that the regulator knob is turned all the way counterclockwise and loose (this means gas from the first stage has not even entered the second stage yet).
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A Primer to Pressurized CO2 and A Primer to Planted Tanks
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Old 12-06-2013, 01:01 PM   #242
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Quote:
Originally Posted by Darkblade48 View Post
From what I understand, your regulator knob is loose and turned all the way counterclockwise when you attach the regulator to your CO2 cylinder.

Upon opening the CO2 cylinder valve, gas immediately start coming out of your pressure release valve.

This indicates a possible diaphragm rupture (high pressure side).

The low pressure diaphragm is not even in use yet, since you said that the regulator knob is turned all the way counterclockwise and loose (this means gas from the first stage has not even entered the second stage yet).
OK so I bought the wrong parts. I need the high pressure diaphragm. If the high pressure diaphragm is working properly, there should be be zero gas coming from the relief valve or the relief valve socket correct? Do you know if the high pressure diaphragm assembly uses a different size diaphragm than the low pressure one? I was able to buy the low pressure diaphragm solo, but it looks like the high pressure one only comes as an assembly.
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Old 12-06-2013, 01:25 PM   #243
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Quote:
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OK so I bought the wrong parts. I need the high pressure diaphragm. If the high pressure diaphragm is working properly, there should be be zero gas coming from the relief valve or the relief valve socket correct? Do you know if the high pressure diaphragm assembly uses a different size diaphragm than the low pressure one? I was able to buy the low pressure diaphragm solo, but it looks like the high pressure one only comes as an assembly.
If the diaphragm is intact, gas should not come out of the pressure relief valve, assuming that the CO2 cylinder was not overfilled.

I am not sure if the VTS253 uses a different sized diaphragm; have you checked the specification sheet?
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A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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Old 12-06-2013, 01:54 PM   #244
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Quote:
Originally Posted by Darkblade48 View Post
If the diaphragm is intact, gas should not come out of the pressure relief valve, assuming that the CO2 cylinder was not overfilled.

I am not sure if the VTS253 uses a different sized diaphragm; have you checked the specification sheet?

I'm just going to open it up and look. I wasn't able to get a good enough grip on it with my tools to open the HP side. Once I take it to my shop i'll look.
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Old 12-06-2013, 04:09 PM   #245
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Quote:
Originally Posted by Darkblade48 View Post
If the diaphragm is intact, gas should not come out of the pressure relief valve, assuming that the CO2 cylinder was not overfilled.

I am not sure if the VTS253 uses a different sized diaphragm; have you checked the specification sheet?
The HP diaphragm is definitely different, and is not separable from the assembly. My HP diaphragm is not damaged at all. I visually inspected it and see no tears, holes or otherwise. I spoke to victor technologies about it and they think its the seat assembly, which they don't recommend people mess with on their own.

Last edited by D90; 12-06-2013 at 04:25 PM.. Reason: more info
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Old 12-26-2013, 04:22 AM   #246
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Just an update. I had the regulator repaired. Hp and lp seat assemblies needed to be replaced. It's now in like new condition or "certified rebuilt". My co2 system is all set up now. Thanks again for the help!
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Old 12-27-2013, 02:35 PM   #247
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Great to know that you're up and running now
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A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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Old 01-17-2014, 03:41 PM   #248
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Thank you so much, for a newbie to pressurized C02 this was invaluable to me. I have used DIY years ago and resuming my interest in planted aquariums again. This time I didn't skimp on my tank.
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Old 01-17-2014, 03:45 PM   #249
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Glad that the guide was helpful for you!
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A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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Old 02-06-2014, 08:35 AM   #250
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Cleanly written!! hatss off to you
1)When should I open the Co2Tank knob
after installing the regulator(with needle valve closed or open)??

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Old 02-06-2014, 08:44 AM   #251
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Quote:
Originally Posted by harilp View Post
Cleanly written!! hatss off to you
1)When should I open the Co2Tank knob
after installing the regulator(with needle valve closed or open)??

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The needle valve should be open when opening the main CO2 cylinder valve.
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A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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Old 02-06-2014, 10:26 AM   #252
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Old 02-06-2014, 10:32 AM   #253
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Quote:
Originally Posted by harilp View Post
My co2 tank knob is like this
I'm not sure what the problem is...?
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A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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Old 02-06-2014, 10:51 AM   #254
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Just say me how to fit it and when to open the nozzle ??

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Old 02-06-2014, 11:13 AM   #255
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Quote:
Originally Posted by harilp View Post
Just say me how to fit it and when to open the nozzle ??
I'm still not sure what you are asking.

Just put the regulator onto the CO2 cylinder (you can see the threaded part). Then follow the instructions as I have outlined in this thread.
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A Primer to Pressurized CO2 and A Primer to Planted Tanks
Eheim Pimp #362 - Eheim 2213 x2, Eheim 2028, Eheim 2217, Eheim surface skimmer and Eheim autofeeder.
Victor Pimp #33 - HPT272-125-350-4M
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