Parallel or Series, which is better?

[David Brinza]

Originally Posted by Daniel_LaFleur

I believe that the regulators are a 'bleed' type which means that when the output overpressurizes (goes over the setpoint pressure of the diaphram) the regulator bleeds off the excess pressure through a pressure relief vent. This would mean that if both regulators weren't set EXACTLY at the same pressure (no easy feat) then one would continue to supply air while the other would be venting it, and that would tax your on-board compressor.

I think you're right about two regulators on a common 60 psi circuit.

I'm asking whether it's legal two have two independent 60 psi paths, each with its own regulator, valve and piston, operating off of a common 120 psi source.