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How To Pressure Test Headers

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Old 12-31-2010, 10:08 AM
  #11
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I use hot water from a slop sink faucet with a hose going into one end of the header with a pressure regulator , with a shut off valve on that hose . I then put a hose on the other side of the header (outlet side)with a ball valve at the end of that hose. Turn the hot water on and let it flow though the header of a minute or two. Then slowly start closing the outlet ball valve so all of the air is bled out of the system and then I lock both valves when the pressure regulator gauge says 35-40 psi .This method you can also see if the pressure drops . Take out my flashlight and look everywhere.. This system works well for me.
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Old 12-31-2010, 01:39 PM
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Originally Posted by TomFTM View Post
I use hot water from a slop sink faucet with a hose going into one end of the header with a pressure regulator , with a shut off valve on that hose . I then put a hose on the other side of the header (outlet side)with a ball valve at the end of that hose. Turn the hot water on and let it flow though the header of a minute or two. Then slowly start closing the outlet ball valve so all of the air is bled out of the system and then I lock both valves when the pressure regulator gauge says 35-40 psi .This method you can also see if the pressure drops . Take out my flashlight and look everywhere.. This system works well for me.
Next time you perform this, can you please take and post pics.

thanx
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Old 12-31-2010, 02:18 PM
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Originally Posted by IlmorDonzi View Post
If you really want to do the best job yourself, use helium gas rather than plain air to pressurize with. Helium molecules are much smaller than any gas contained in plain air and will leak through smaller holes where plain air will not. I manufacture frozen margarita machines and this is the procedure we use.
I wonder if the shielding gas tank from my mig welder would be similar. I think it's a helium, argon mix.
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