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Old 10-26-2020, 03:44 PM
Frankster13 Frankster13 is offline
Join Date: Feb 2019
Location: Sausalito CA in Northern CA near wine country
Posts: 48
Default Inexpensive O2 Bottle Refill SF Bay Area

Where can I get my portable oxygen bottle refilled in the SF Bay Area at a reasonable price? And as I understand, out of the factory there is no difference in moisture content between aviators O2 and welders O2.
Frank Ketcham
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Old 10-26-2020, 04:04 PM
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1001001 1001001 is offline
Join Date: Dec 2014
Location: Just Minutes from KBVI!
Posts: 1,068

Can't help with finding a place to do it in the Bay area, but if you are at all interested in DIY, check out Tim Olson's post on the topic:

Information on a DIY transfill option is near the bottom of that page.
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Old 10-26-2020, 04:52 PM
BobTurner BobTurner is offline
Join Date: Dec 2011
Location: Livermore, CA
Posts: 6,880

Frank, a while ago someone from Dublin (I think) posted that a dive shop in Pleasanton would do it for about $20 but you needed to bring an adaptor fitting of some sort - they werenít set up for aviation fittings. (Sorry about lack of detail - thatís all I remember). Of course the maintenance shop on the south side of LVK will do it for like $60, which is not reasonable in my book.
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Old 10-27-2020, 01:57 AM
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DrillBit DrillBit is offline
Join Date: Nov 2007
Location: Pleasanton, CA
Posts: 194

Web site for dive shop in Pleasanton:

Filled my 14.7 cu ft O2 bottle for 75 cents per cu ft. Needed this CGA-870 to CGA-540 adapter from Mountain High Aviation Oxygen Systems. It’s a spendy $117, but a) you don’t want to skimp on fittings to handle 2000 psi compressed gas; and b) two more fills and I’m way ahead of any on-airport costs at KLVK or anywhere else.
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Kurt Haller
P-town, CA (10 min from KLVK!)
N748PK, RV-9A
Flying as of 13 July 2019

VAF dues last paid 28 Dec 2019

Last edited by DrillBit : 10-27-2020 at 02:00 AM. Reason: Corrected cost per cu ft for O2 fill at Dive N Trips.
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Old 10-27-2020, 09:55 AM
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Carl Froehlich Carl Froehlich is offline
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 2,640

At the airpark six of us went in on a charging station. Fittings and connection hoses from Mountain High, Oxygen bottles from the local supply shop (~$40 a fill for a 80 cu-ft bottle). We daisy chain the six bottles to charge (start at the lowest charge bottle, progress to the top off with the highest charge bottle). We replace the lowest bottle perhaps twice a year. This way we get the most out of each bottle and we all share the initial cost of the charging rig.

In other words Iím below $10 a year to keep my 22 cu-ft airplane bottle charged. My rule is to use oxygen at 8Kí and above - so Iím charging at least four times a year.

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