[PSUBS-MAILIST] Pressure Test Chamber

[Hugh Fulton via Personal_Submersibles]

Alan,

Never pressurise oil with air to those pressures.  An explosion waiting to happen.  Oxygen partial pressures!!

If you want to do it use nitrogen.

Hugh

 

From: Personal_Submersibles [mailto:personal_submersibles-bounces at psubs.org] On Behalf Of james cottrell via Personal_Submersibles
Sent: Wednesday, 21 June 2017 3:34 PM
To: Personal Submersibles General Discussion
Subject: Re: [PSUBS-MAILIST] Pressure Test Chamber

 

Alan,

 

Pressure testing that high needs to be done with liquid not gas. High pressure air is VERY dangerous. A pressure washer pump using water would be a safer choice.

 

Greg

 

  _____  

From: Alan via Personal_Submersibles <personal_submersibles at psubs.org>
To: personal_submersibles at psubs.org 
Sent: Tuesday, June 20, 2017 9:01 PM
Subject: [PSUBS-MAILIST] Pressure Test Chamber

 

I am making a plastic container to fill with water & stand inside my

pressure chamber. There is a gap between the wall of the container

& the chamber which I intend to fill with oil. There will be about an

inch of air at the top of the chamber & I'm using a scuba tank to

pressurise the unit up to 3000psi.

Will car engine oil do to fill the gap between my plastic container &

the chamber wall, or do I need to go with a hydraulic fluid.

Am using the plastic container to keep water from rusting my test

chamber. (Aussie Steve's idea)

Cheers Alan

 

Sent from my iPad

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