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 control
Suitable for all common refrigerants and oil
28bar (400psig) Maximum Rated Pressure (MRP)
Flanges for threaded or welded steel pipe and copper tube (copper not for ammonia)
Unique modular construction
Interchangeable parts
Easy to service
Close coupled strainers, optional
Many control variations are possible with the use of a few modules and kits
Stainless Steel diaphragm
Chrome plated Pilot Seat
Manual Opening Stem
Application:
Capacity Control of an evaporator at two different pressure levels to regulate temperature
Evaporator Pressure Control combined with Defrost Pressure Relief
More Information
More Information
Weight
70.210000
Manufacturer
Parker RS - Refrigerating Specialties
Condition
New
Port Size
1-5/8"
Pressure Range PSI
20" Hg to 120 psig/5 to 150 psig
Capacity Range
Full Capacity
Coil Type
120/60 Hz-Leaded Standard
Flange Size
No Flanges
Strainer Type
Without Strainer
Pressure Set Point
15 psi/40 psi
Reviews
Product Questions
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