C OMPRESSED A IR C ONNECTION
In order for the automatic pulse filter cleaning system to operate, the Clean Air Industries Liberty Weldcell requires a compressed air connection to be made.
The compressed air inlet is located at the back of the unit
This Liberty Weldcell compressed air inlet supply is a 1” NPT male fitting
Use a regulator to adjust the pressure to 70 to 90 PSI.
A dryer may be needed to condition the air before entering the Liberty Weldcell.
1.0 ft 3 Valve Pulse at 70 - 90 psi
5/8" Minimum compressed air supply line required; 1" Recommended
NOTE: Do not operate the Liberty Weldcell for an extended period of time without an
appropriate compressed
air supply. Doing so will
greatly diminish the life
of the filter cartridges.
A IR R EGULATOR
The compressed air for the Liberty
Weldcell must be regulated at 70 to 90
PSI. A Regulator is used to allow the
high-pressure air supply lines or tanks
to be reduced to safe and usable
pressure for pulsing the unit. If the pressure is too low, the valves may not properly clean the filters. If
the pressure is too high, it may damage the valves.
A IR F ILTER
The compressed air for the Liberty Weldcell must be clean. Dirty air entering the system can cause
damage to pneumatic components. The air should be filtered to remove all contaminants by the
compressed air supply system prior to entering the Liberty Weldcell.
Copyright © Clean Air Industries , Inc.
Liberty WeldCell User Manual, August 2023
Page 17 of 66
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