Pilot regulators used to control the outlet pressure of a pilot operated regulator|R41 can be close coupled with an R18 pilot regulator|Conventional pilot regulator provides good pressure regulation, rapid response to changing flow demands, and excellent stabililty|Feedback pilot regulator provides superior pressure regulation under changing flow demands where changes in flow demand are not sudden or cyclical|Constant bleed feature provides maximum sensitivity to system changes|Conventional pilot regulator provides good pressure regulation, rapid response to changing flow demands, and excellent stability