Types of Regulators Beverage ◊ E/P ◊ Electronic Air Pressure ◊ Filter Pressure ◊ General Air Pressure ◊ Pilot ◊ Precision Air Pressure ◊ Pressure ◊ Screw-In Pressure ◊ Vacuum ◊ Regulator Manufacturers Airtrol ◊ Aventics ◊ Clippard ◊ Controlair ◊ Fabco-Air ◊ Go Regulator ◊ Norgren ◊ Proportion Air ◊ SMC