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Common CGA Connections
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| Oxygen Air Carbon dioxide Nitrogen Nitrous oxide |
540 346 320 580 326 |
870 950 940 960 910 |
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U.S. Medical Gas Color Chart
| Oxygen Air Carbon dioxide Nitrogen Nitrous oxide Suction Evacuation (WAGD) Helium |
Green Yellow Gray Black Blue White Purple Brown |
Abbreviations
| DISS CGA NPT PTO |
Diameter index safety system Compressed gas association National pipe thread Power take off ( 50 psi valve ) |
Cylinder Size Chart
NPT Thread Size Chart
Type of Wall Outlets
The most popular quick connect in the hospital setting is OHMEDA. Push in to connect. 1/4 turn to release.
Next is CHEMETRON, Push in to connect. Press button on wall outlet to release.
Next is PURITAN BENNETT, Push in to connect. Press button on wall to release.
OXEQUIP, MEDSTAR, and SCHRADER are other less popular quick connects.
The DISS connection is very popular. Most therapists prefer the quick connect type because with the DISS you have to thread it on and it takes longer.
