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A-4000 Series Oil Removal and Pressure Reducing Stations & Air Compressor Accessories

Pneumatic Air Supply Manual 718

Filter Stations Section

Product Bulletin

Issue Date 0907

A-4000 Series Oil Removal and Pressure Reducing

Stations & Air Compressor Accessories

Oil Removal and

Pressure Reducing

Stations

The A-4000 Series Oil Removal

and Pressure Reducing Stations

(see Figs. 1 through 4) are

available in single or dual PRV

models in 10 or 20 SCFM (4.7 or

9.4 L/s) maximum flow

capacities. In addition, each unit

features a four-way bypass

valve, coalescing and activated

charcoal oil removing filters, and

is completely piped with copper

tubing which reduces friction,

allows higher flow rates, and

meets fire codes in mechanical

equipment rooms. The filter

combination removes both oil

aerosols and vapors to provide

clean, oil free air for pneumatic

control systems. All models

provide maximum performance

for a period of one year at which

time the coalescing and

activated charcoal filter elements

will need to be replaced.

Gauges are provided to monitor

system operations and

performance. All models can

provide filtered, high pressure air

to remote PRV stations. All

models have a maximum input

pressure rating of 150 PSIG

(1050 kPa) and an upper

temperature limit of

120°F (52°C). Note: The air

supply to these stations must

be from a properly broken in

air compressor producing less

than 6 ppm aerosol oil (as

measured by a Johnson

Controls A-4000-120 Oil

Indicator on the compressor

tank outlet) and must also

pass through a properly

operating air dryer.

Fig. 1: A-4000-139

10 SCFM, Single PRV Station

(Shown with Optional Oil

Reservoir)

Fig. 3: A-4000-141

20 SCFM, Single PRV Station

Fig. 2: A-4000-140

10 SCFM, Dual PRV Station

Fig. 4: A-4000-142

20 SCFM, Dual PRV Station

(Shown with Optional Oil

Reservoir)

Part No. 64-257-14, Rev. B

Code No. LIT-718060

Summary of content (8 pages)

PAGE 1
Pneumatic Air Supply Manual 718 Filter Stations Section Product Bulletin Issue Date 0907 A-4000 Series Oil Removal and Pressure Reducing Stations & Air Compressor Accessories Oil Removal and Pressure Reducing Stations The A-4000 Series Oil Removal and Pressure Reducing Stations (see Figs. 1 through 4) are available in single or dual PRV models in 10 or 20 SCFM (4.7 or 9.4 L/s) maximum flow capacities.
PAGE 2
Single PRV models are factory set for approximately 20 PSIG (140 kPa) and dual PRV models are factory set for approximately 15 and 20 PSIG (105 and 140 kPa). Dual 10 SCFM units have a maximum of 1 PSI (7 kPa) pressure drop with a 10 SCFM flow from the PRVs through the three-way air valve; dual 20 SCFM units have a maximum of 2 PSI (14 kPa) pressure drop. The three-way air valve is equipped with a 1/2 in. O.D. compression fitting to furnish the dual supply air to the system. A 1/2 in.
PAGE 3
A-4000 Product Bulletin 3
PAGE 4
Remote Mounted 3/8 in. Pressure Reducing Station Fig. 9: A-4000-138 Remote Mounted 3/8 in. Pressure Reducing Station The A-4000-138 Remote Mounted 3/8 in. Pressure Reducing Station (see Fig. 9) comes completely assembled with a wall mounting bracket, 0 to 30 PSIG gauge, safety relief valve, and 3/8 in. O.D. compression elbow fittings on the high and low pressure sides. The desired output pressure can be easily adjusted between 0 and 30 PSIG using the black knob.
PAGE 5
Oil Reservoir Oil Removal Filters Coalescing Filter Charcoal Filter Fig. 14: Oil Removal Filters Fig. 13: A-4000-145 Oil Reservoir and Bracket Assembly The A-4000-145 Oil Reservoir (see Fig. 13) provides a means of identifying excess oil pumping (compressor maintenance) as well as water entrainment (air dryer maintenance). If either occurs, replacement of the oil removal elements is required. The oil reservoir also provides a means of collecting the coalesced oil for proper disposal.
PAGE 6
Table 5: Repair Parts Description Code No. Coalescing Filter Elements 10 SCFM (4.7 L/s) A-4110-604 20 SCFM (9.4 L/s) A-4000-604 40 SCFM (18.9 L/s) A-4000-605 Charcoal Filter Elements 10 SCFM (4.7 L/s) A-4000-632 20 SCFM (9.4 L/s) A-4000-633 Filter Auto-Drain Kit (All Coalescing Filters) A-4000-6010 Servicing Procedure for Coalescing Filters All coalescing filters are equipped with an automatic drain from which accumulations of entrapped liquids are automatically blown out.
PAGE 7
Servicing Procedure for Activated Charcoal Filter Refer to the white service label on the activated charcoal filter element for proper replacement procedure. Wall Bracket for Small, Horizontal, Single Compressors and Tanks Note: After the activated charcoal filter element has been replaced, apply the white service label included and record the next replacement date (month and year). A-4000-6010 Filter Auto-Drain Replacement (see Fig. 18) Fig.
PAGE 8
Drain Cock Fig. 24: Intake Air Filters Fig. 23: Drain Cock The 1/8 in. NPT A-4000-118 Drain Cock (see Fig. 23) is available as a repair part for installation in air tanks for draining condensation. Use the 1/8 in. model for 10 gallon tanks and the 1/4 in. model for 15 and 30 gallon tanks. The 1/8 in. model is also the replacement drain cock for the A-4000-145 Oil Reservoir. The dry-type intake air filters (see Fig.