PUREGAS, LLC
P4200PM / P5000PM Remote Air Dryer User’s Guide
Page 10 of 79
P012649 – Rev B
5.4 Dryer Function Overview
# Component
Description
1
Compressor
Compresses drawn in ambient air.
2
Precooler
Cools compressed air prior to drying function.
3
Unloader Valve
Relieves excess compressor head pressure.
4
Heatless Dryer
Removes moisture from compressed air.
5
Capacity Control Valve
Regulates system pressure and prevents air from
bleeding back through the heatless dryer.
6
Safety Relief Valve
Prevents system from over pressurizing by
releasing at high pressure.
7
Air Tank
Stores dry compressed air.
8
Humidity Sensor
Measures the humidity of the compressed air.
9
F-Type Valve
Provides a point to test system Humidity with an
external tester.
10 Outlet Pressure Regulator
Regulates the outlet pressure.
11 Flow Meter
Measures the flow of compressed air.
12 Bypass Valve
Bypasses wet humid air to atmosphere.
13 Pressure Outlet
Outputs the pressure set by the Outlet Pressure
Regulator.