Nitrogen and compressor



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Offline Ironman482

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Nitrogen and compressor
« on: January 14, 2019, 10:50:27 AM »
I have a question,  maybe someone has done this and can advise me on details. I have a nitrogen tank (not the 6000 psi one ) I  got it for my tig welder so will have it refilled with argon, it still has 1500 psi in it so I  want to fill my scba tank to 1500 then attach the nitrogen bottle to my alkun compressor with it reg to a low pressure 5 to 10 psi on the flow meter to top off the tank . Has any one done this , and is there any special concerns using nitrogen in a pcp  ?
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Offline rsterne

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Re: Nitrogen and compressor
« Reply #1 on: January 14, 2019, 02:07:33 PM »
Nope, Nitrogen works perfectly in PCPs.... Just make sure you don't have a "mixed gas" in your welding tank....

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Offline Ironman482

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Re: Nitrogen and compressor
« Reply #2 on: January 14, 2019, 04:19:20 PM »
Nope, Nitrogen works perfectly in PCPs.... Just make sure you don't have a "mixed gas" in your welding tank....

Bobno worries there ,got it from my brother he works at a welding supply store, I'm just worried about getting the press-flow rate right, proberly just do it till the nitrogen pressure falls below 500 psi . But if it increases efficiency  might be tempted to try again
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Offline prfssrlee

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Re: Nitrogen and compressor
« Reply #3 on: January 14, 2019, 07:23:12 PM »
I do almost the same thing. Fill off 6k nitrogen until it's too low then I use my Yong Heng in "booster mode" and feed it 5 psia nitrogen from the nitrogen tank. Speeds up the fill time by about 50% and also means there is no moisture at all going in. But I wouldn't feed it more than 5-10 psia the YH first stage compression is fixed at 10:1.
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