Main Line Filter AFF Series

Caution
- Refer to the catalog for details on product specifications.
- The products shown in the image are representative. CAD data is not supported for some model numbers.
Product Description
The Main Line Filter AFF Series removes impurities such as oil, water and other contaminants.
[Features]
· Improves the function of down flow dryers, extends the life of precision filters and prevents trouble with equipment.
Main Line Filter AFF Series Details

Main Line Filter AFF Series: product images
Main Line Filter AFF Series Specifications
| Applicable fluids | Compressed Air |
|---|---|
| Maximum operating pressure | 1.0 MPa |
| Minimum operating pressure Note 1) | 0.05 MPa |
| Proof pressure | 1.5 MPa |
| Ambient temperature and working fluid temperature | 5 to 60°C |
| Filtration | 3 μm (filtration efficiency 99%) |
| Element replacement interval | 2 years Note 1) or when the pressure drop has reached 0.1 MPa |
- *Note 1) with auto drain: 0.1 MPa (N.O. type), 0.15 MPa (N.C. type)
Model
| Model | AFF2C | AFF4C | AFF8C | AFF11C | AFF22C |
|---|---|---|---|---|---|
| Rated flow capacity Note) L/min (ANR) | 300 | 750 | 1,500 | 2,200 | 3,700 |
| Piping connection port diameter | 1/8, 1/4 | 1/4, 3/8 | 3/8, 1/2 | 1/2, 3/4 | 3/4, 1 |
| Weight (kg) | 0.38 | 0.55 | 0.9 | 1.4 | 2.1 |
- *Note) Maximum flow capacity at pressure of 0.7 MPa. The maximum flow capacity varies according to the working pressure.
Accessories Part Nos.
| Applicable models | AFF2C | AFF4C | AFF8C | AFF11C | AFF22C |
|---|---|---|---|---|---|
| Bracket assembly (with mounting screws [2 pcs.]) | AM-BM101 | AM-BM102 | AM-BM103 | AM-BM104 | AM-BM105 |
Model Number Notation

Model number example
Structural Drawings

Main Line Filter AFF Series: structural drawings
- *Note) The figure shows the drain cock specification.
- *Note) In the structural drawings, a sight glass is included for easy understanding of component parts, but this differs from the actual construction.
Component Parts
| Number | Name | Materials | Additional notes |
|---|---|---|---|
| 1 | Body | Aluminum alloy | Inner/outer surface coatings |
| 2 | Housing (bowl) | Aluminum alloy | |
| 3 | Sight glass | Reinforced glass | - |
Replacement Parts
| Number | Name | Materials | Applicable models | Model | ||||
|---|---|---|---|---|---|---|---|---|
| AFF2C | AFF4C | AFF8C | AFF11C | AFF22C | ||||
| 4 | Element assembly | Cotton, paper, etc. | Except option F | AFF-EL2B | AFF-EL4B | AFF-EL8B | AFF-EL11B | AFF-EL22B |
| For option F | AFF-EL2B-F | AFF-EL4B-F | AFF-EL8B-F | AFF-EL11B-F | AFF-EL22B-F | |||
- *Element assembly: Includes a gasket (1 pc.) and O-ring (1 pc.)
Main Line Filter AFF Series: Dimensions Examples
(Unit: mm)

Main Line Filter AFF Series: dimensional drawing
| Model | Piping connection port diameter | A | B | C | D | E | F | G | Bracket related dimensions | Clogging checker related dimensions | Differential pressure switch related dimensions | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| H | I | J | K | T | U | L | M | V | N | O | P | Q | R | S | W | X | Y | Z | |||||||||
| AFF2C | 1/8, 1/4 | 161 | 10 | 99 | 63 | 23 | 63 | 10 | 176 | 56 | 20 | 5 | 6 | 6 | 12 | 6 | 10 | 35 | 54 | 70 | 26 | 4.5 | 1.6 | 24 | 37 | 32 | 41 |
| AFF4C | 1/4, 3/8 | 175 | 14 | 113 | 76 | 23 | 76 | 10 | 193 | 66 | 24 | 8 | 6 | 6 | 12 | 6 | 10 | 40 | 66 | 80 | 28 | 5 | 2 | 27 | 37 | 36 | 41 |
| AFF8C | 3/8, 1/2 | 207 | 18 | 145 | 90 | 23 | 90 | 10 | 225 | 80 | 28 | 8 | 7 | 7 | 14 | 7 | 12 | 50 | 80 | 95 | 34 | 5 | 2.3 | 32 | 37 | 42 | 41 |
| AFF11C | 1/2, 3/4 | 228 | 20 | 166 | 106 | 23 | 106 | 10 | 249 | 90 | 31 | 10 | 9 | 9 | 18 | 9 | 15 | 55 | 88 | 111 | 50 | 9 | 3.2 | 37 | 37 | 43 | 41 |
| AFF22C | 3/4, 1 | 262 | 24 | 200 | 122 | 23 | 122 | 10 | 281 | 100 | 33 | 10 | 9 | 9 | 18 | 9 | 15 | 65 | 102 | 126 | 60 | 10 | 3.2 | 39 | 37 | 51 | 41 |