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Old 02-12-12, 09:41 AM   #6
BradC
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Join Date: Dec 2010
Location: Western Australia
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Quote:
Originally Posted by dc€x View Post
PS:
The pressure test could be done by BBQ-gas as well.Only raise the temp in the tank upto +40degC => then you get abt. 15bar out!
Err.. unless you plan on raising the temperature of your hoses and lineset to the same as the tank this is not going to work the way you think it will.

What will happen is as you raise the tank pressure gas will immediately start to condense in your hoses and lineset. This will continue until they are completely full of liquid, at which time the overall pressure will start to increase toward your desired test pressure.

You will then need to re-cool the tank below the temperature of your lines and hoses to allow the liquid to migrate back to the tank before disconnecting things.
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