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[Equipment] O2 Check Valve
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justMongo Offline

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Posts: 3,851
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Machine: ResMed VPAP Auto (S9)
Mask Type: Full face mask
Mask Make & Model: ResMed Mirage Quattro
Humidifier: ResMed H5i
CPAP Pressure: 18 IPAPmax - 11 EPAPmin, PS=5
CPAP Software: Other Software

Other Comments: μολὼν λαβέ

Sex: Male
Location: Калифорния

Post: #11
RE: O2 Check Valve
There is one compressor that is regulated to 15 PSI. It alternately pressurizes two tanks that have a zeolite that absorbs nitrogen under pressure. The tanks are alternately switched between one being pressurized; and one providing O2. Before the pressure is too low, the tanks switch and the remaining pressure is dumped to atmosphere -- releasing the nitrogen. The O2 passes through a micro-particle filter; a second pressure regulator to 5PSi; then to an Oxygen purity sensor. The flow is regulated by the needle valve on the ball flow meter on the outside of the unit.

Given that there is some moisture in all air -- perhaps it's not a problem. Still, I'd like to make sure it's protected.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
09-17-2014 09:29 AM
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Galactus Offline

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Posts: 1,384
Joined: Jan 2014

Machine: Phillips Respironics System One PRS1 DS760P Auto BiPAP
Mask Type: Nasal pillows
Mask Make & Model: ResMed Airfit P10 Nasal Pillow
Humidifier: System One Heated Humidifier + Climate Line
CPAP Pressure: E/I 13/20 PS 4/7 BiFlex 3
CPAP Software: SleepyHead EncoreBasic

Other Comments: Sleep can be a good thing.

Sex: Male
Location: USA

Post: #12
RE: O2 Check Valve
Is this what you are looking for? In technical terms it has a spring loaded doohickey in there, I have no idea what it is or what it's for, just that it was in the unit when I got it along with some other oxygen parts. (sorry for the crappy picture I was in a rush today).

[Image: m9y5q1.jpg]

If everyone thinks alike, then someone isn't thinking.
Everyone knows something, together we could know everything.
(This post was last modified: 09-17-2014 11:45 AM by Galactus.)
09-17-2014 11:44 AM
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justMongo Offline

Monitors

Posts: 3,851
Joined: Sep 2013

Machine: ResMed VPAP Auto (S9)
Mask Type: Full face mask
Mask Make & Model: ResMed Mirage Quattro
Humidifier: ResMed H5i
CPAP Pressure: 18 IPAPmax - 11 EPAPmin, PS=5
CPAP Software: Other Software

Other Comments: μολὼν λαβέ

Sex: Male
Location: Калифорния

Post: #13
RE: O2 Check Valve
(09-17-2014 11:44 AM)Galactus Wrote:  Is this what you are looking for? In technical terms it has a spring loaded doohickey in there, I have no idea what it is or what it's for, just that it was in the unit when I got it along with some other oxygen parts. (sorry for the crappy picture I was in a rush today).

Interesting device. It looks like an overpressure relief valve for CPAP.

My current setup -- O2 Tee on H5i
[Image: IMG_1574.jpg]

Inline flow meter -- I'd like to replace it with a check valve:
[Image: IMG_1573.jpg]

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
09-17-2014 12:25 PM
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Galactus Offline

Advisory Members

Posts: 1,384
Joined: Jan 2014

Machine: Phillips Respironics System One PRS1 DS760P Auto BiPAP
Mask Type: Nasal pillows
Mask Make & Model: ResMed Airfit P10 Nasal Pillow
Humidifier: System One Heated Humidifier + Climate Line
CPAP Pressure: E/I 13/20 PS 4/7 BiFlex 3
CPAP Software: SleepyHead EncoreBasic

Other Comments: Sleep can be a good thing.

Sex: Male
Location: USA

Post: #14
RE: O2 Check Valve
Ahhhhhh I see what you're looking for. Sorry, don't have one of those.

If everyone thinks alike, then someone isn't thinking.
Everyone knows something, together we could know everything.
09-17-2014 04:06 PM
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