Regulators At A Glance:

CGA 870:  Used with portable patient cylinders.  Connects to cylinders via pin index with standard or toggle post valve – size M6 thru E.

CGA 540:  Used with large back up cylinders.  Connects to cylinders via nut with CGA 540 valve – size M60/MM and large steel cylinders.

DISS:  Outlet used with bubble humidifier or quick connect tubing. Green hose nipple adapter can be used to connect standard cannula to the regulator.

Barb:  Outlet fitting used for connecting cannula.

Yoke Washer:  Assists to provide a complete seal of regulator to cylinder (CGA 870 connection). Must be changed regularly.  Constructed of Brass/Viton or Brass/BunaN material.  Crush sealing washers are not approved for use with RRI oxygen regulators.

LPM Flow Range:
– 3 LPM: Pediatric and low flow patients, smaller increment flows, prescribed in decimal or fraction liter increments
– 8 LPM: Standard flow, for most oxygen patients, liter flow settings typically 1 LPM increments
-15 LPM:  High flow, for hard to saturate patients requiring high flows over 8 LPM