R-Series Air Breathers

High Vibration Applications
Most mobile equipment, including maintenance of way equipment, farm implement, and off-road vehicles, are equipped with hydraulic fluid tanks or reservoirs which breathe outside air.
Typical applications include:
- Maintenance of way equipment
- Cranes
- Farm implement
- Off road vehicles

R-Series breathers are suitable for high vibration applications including off-road vehicles, construction vehicles, haul trucks, and farm vehicles typically equipped with hydraulic fluid reservoirs. R-Series breathers are easily mounted in place of standard breather caps via rugged steel pipe threads, included with all models except the R-111. The metal reinforced base is reusable.
When the silica gel cartridge turns color from gold to dark green, simply install a new replacement cartridge to the reusable metal base.
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Sizing Information
| Model |
Height in. (cm) |
Diameter in. (cm) |
Mounting Connection |
Weight lbs. (kg) |
Water Capacity fl.oz (mL) |
Maximum Air Flow cfm |
Maximum Reservoir Fluid Flow gpm |
Type Of Medium |
| R-100 |
5 (12.7) |
5.2 (13.2) |
1 inch male NPT |
2.5 (1.1) |
3.1 (91) |
35 |
262 |
100% Silica Gel |
| R-101 |
6.5 (16.5) |
5.2 (13.2) |
1 inch male NPT |
3.2 (1.5) |
6.2 (183) |
35 |
262 |
100% Silica Gel |
| R-102 |
9.5 (24.1) |
5.2 (13.2) |
1 inch male NPT |
4.5 (2.0) |
13.9 (411) |
35 |
262 |
100% Silica Gel |
| R-111 |
6 (15.2) |
5.2 (13.2) |
1.125 inch male NPT |
2.8 (1.3) |
6.2 (183) |
35 |
262 |
100% Silica Gel |
| R-123 |
12 (30.5) |
5.2 (13.2) |
2 inch male NPT |
5.5 (2.5) |
18.5 (547) |
100 |
750 |
100% Silica Gel |
| R-200 |
5 (12.7) |
5.2 (13.2) |
1 inch male NPT |
2.2 (1.0) |
– |
15 |
112 |
100% Activated Carbon |
| R-201 |
6.5 (16.5) |
5.2 (13.2) |
1 inch male NPT |
2.5 (1.1) |
– |
15 |
112 |
100% Activated Carbon |
| R-202 |
9.5 (24.1) |
5.2 (13.2) |
1 inch male NPT |
3.4 (1.5) |
– |
15 |
112 |
100% Activated Carbon |
| R-223 |
12 (30.5) |
5.2 (13.2) |
2 inch male NPT |
3.8 (1.7) |
– |
50 |
375 |
100% Activated Carbon |
| R-325 |
12 (30.5) |
5.2 (13.2) |
2 inch male NPT |
5.5 (2.5) |
12 (355) |
50 |
375 |
33% Activated Carbon 67% Silica Gel |
Replacement Sizing Information
| Model |
Height in. (cm) |
Diameter in. (cm) |
Replacement Cartridge for Model |
Weight lbs. (kg) |
Water Capacity fl.oz (mL) |
Maximum Air Flow cfm |
Maximum Reservoir Fluid Flow gpm |
Type Of Medium |
| A-300 |
3.75 |
5 (12.7) |
R-100 or R-111 |
1.8 (.8) |
3.1 (91) |
35 |
262 |
Silica Gel |
| A-301 |
5 (12.7) |
5 (12.7) |
R-101 or R-111 |
2 (.9) |
6.2 (183) |
35 |
262 |
Silica Gel |
| A-302 |
8 (20.3) |
5 (12.7) |
R-102 or R-111 |
3.3 (1.5) |
13.9 (411) |
35 |
262 |
Silica Gel |
| A-323 |
10 (25.4) |
5 (12.7) |
R-123 |
4.6 (2.1) |
18.5 (547) |
100 |
750 |
Silica Gel |
| A-303 |
3.75 (9.53) |
5 (12.7) |
R-200 |
1.2 (.55) |
– |
15 |
112 |
Activated Carbon |
| A-304 |
5 (12.7) |
5 (12.7) |
R-201 |
1.5 (.68) |
– |
15 |
112 |
Activated Carbon |
| A-305 |
8 (20.3) |
5 (12.7) |
R-202 |
2.4 (1.1) |
– |
15 |
112 |
Activated Carbon |
| A-324 |
10 (25.4) |
5 (12.7) |
R-223 |
2.9 (1.32) |
– |
50 |
375 |
Activated Carbon |
| A-325 |
10 (25.4) |
5 (12.7) |
R-325 |
4.6 (2.1) |
12 (355) |
50 |
375 |
33% Activated Carbon 67% Silica gel |
|