Parker Hannifin Corporation
Industrial Gas Filtration and Generation Division
Haverhill, MA
• 1-800-343-4048
Prefiltration
Hydrocarbon
Removal
Cooling
Final Filtration
The Parker Zero Air Generator is equipped with an operational status LED display (Figure 5)
on the front panel to show hydrocarbon concentration as a function of time and flow rate. A
“Check System” light and an “Overflow” light have been included to alert the operator to any
operational situations which require attention.
Two stages of high efficiency coalescing prefiltration are incorporated into the Parker Zero Air
Generator to protect the catalyst bed from potential oil and particulate contamination. The pre-
filters are located on the right side of the unit, behind the removable filtration access panel.
They remove liquids and particulate matter from the incoming air supply to 0.01 micron. These
filters are equipped with float drains which automatically open to empty any liquids from inside
the filter housing. The drains are connected to
1/4” O.D. plastic tubing which discharges to
atmosphere on the right side of the generator (see Figure 1).
The catalyst module is a stainless-steel vessel filled with catalyst and assembled with a cartridge
heater and controller. During operation, hydrocarbons are oxidized into carbon dioxide and water
vapor. The heater controller operates the catalyst bed at the required temperature for optimal
oxidation. If the heater should fault during operation, the red
“Check System” light will be
illuminated.
The Parker Zero Air Generator is equipped with a coiled copper aftercooler and fan (except
model HPZA-3500) to cool the hot outlet air from the hydrocarbon removal module.
The final filter on the Parker Zero Air Generator is a Parker Balston Grade GS membrane
filter which removes particulate contamination to 0.01 micron (absolute).
Figure 2 - Flow Schematic
Figure 3 - Mounting Dimensions
BALSTON GRADE
BX PRE-FILTER
BALSTON GRADE
DX PRE-FILTER
