Attributes . Operating pressure for couplings utilizing hose barb connections may be dramatically reduced to that of the hose rating and/or hose end connection combination. Consult hose manufacturer's catalog for hose end connection ratings. If in doubt, test under controlled conditions for suitability to application Dixon cannot assume liability for misapplication of production resulting in equipment down-time, lost production, and/or personal injury including deat. Pressure rating given at ambient temperature 70?F (21?C). . Names