Page 72 - Pneumatic ebook (2)_draft 13 sept 2021

Function and principle of FRL unit

1. Pneumatic components usually
consist of internal moving part, 1. This unit combines filter,
thus adding controlled amount of regulator and lubricator
oil lubricant helps to ensure proper as shown in the Figure X.
lubrication of the components. In this unit, filter is the
first component followed
2. Basically, lubricants are used to by regulator and
a. To reduce the wear of the lubricator.
moving parts in components,
b. Reduce frictional losses 2. The arrangement of
c. Protect components and Filter-regulator- these components are in
equipment from corrosion. lubricant Unit (FRL) such a way to prevent 1
foreign matter from
3. Lubricator is added in the form of causing a malfunction of
fine mist and it is placed near the the regulator. Usually,
equipment to be lubricated. lubricator is placed last to
Lubricator should never be used Air Lubricator avoid oil mist or droplets
on - oil-less compressors. from deposited in turns or
valves in the system.

INTRODUCTION TO PNEUMATIC SYSTEM 31