500223 Refrigerating Specialties (RS) 2 A4AD Dual Inlet- No Variation- Dual Pressure Range A/A

Parker's A4AD pressure regulator features dual pressure regulating pilots in a single housing which allows users to control two different pressure set points without the need for additional piping, valves, or controls. The active pressure regulating pilot is selected using a standard pilot solenoid. This simple control gives users flexibility in their process but keeps implementation costs to a minimum. The A4AD is part of the popular A4A line and features common components and service parts.Features and Benefits:Pilot Operated characterized Modulating Plug for precise controlSuitable for all common refrigerants and oil28bar (400psig) Maximum Rated Pressure (MRP)Flanges for threaded or welded steel pipe and copper tube (copper not for ammonia)Unique modular constructionInterchangeable partsEasy to serviceClose coupled strainers, optionalMany control variations are possible with the use of a few modules and kitsStainless Steel diaphragmChrome plated Pilot SeatManual Opening StemApplication:Capacity Control of an evaporator at two different pressure levels to regulate temperatureEvaporator Pressure Control combined with Defrost Pressure Relief