| Part Number: | 3A | 2 | 20 | - | 08 |
|---|---|---|---|---|---|
| Explanation: |
Series 3A - Air-piloted directional valve with three main ports |
Body Size 1 - 100 size; port M5 or 06 |
Pilot Control 10 - Single pilot; three ports, two positions; select normally closed or normally open configuration |
Port Size M5 - M5; body size 1 |
3A directional valves use pneumatic pilot signals for three-port, two-position switching. Four body sizes cover M5 to 1/2″ nominal main connections, with single-pilot and double-pilot versions. The operating-pressure range is 0.15–0.8MPa across the listed models.
| Body size | Port code | Nominal connection | Single-pilot model | Double-pilot model | Function |
|---|---|---|---|---|---|
| 100 | M5 | M5 | 3A110-M5 | 3A120-M5 | 3/2 |
| 06 | 1/8″ | 3A110-06 | 3A120-06 | ||
| 200 | 06 | 1/8″ | 3A210-06 | 3A220-06 | |
| 08 | 1/4″ | 3A210-08 | 3A220-08 | ||
| 300 | 08 | 1/4″ | 3A310-08 | 3A320-08 | |
| 10 | 3/8″ | 3A310-10 | 3A320-10 | ||
| 400 | 10 | 3/8″ | 3A410-10 | 3A420-10 | |
| 15 | 1/2″ | 3A410-15 | 3A420-15 |
| Item | Specification or option |
|---|---|
| Switching method | Air pilot |
| Operating pressure | 0.15–0.8MPa |
| Body-size code | 1: 100; 2: 200; 3: 300; 4: 400 |
| Pilot-control code | 10: single pilot; 20: double pilot |
| Single-pilot initial state | NC: normally closed; NO: normally open |
| Thread options | G, PT or NPT for applicable threaded connections |
Select the required single-pilot initial state or double-pilot configuration together with the main port size. The main connections are P for supply, A for the working port and R for exhaust; the pilot connection is separate. The pictured valve is 3A210-08.
The drawing applies to 3A110-M5 and 3A110-06. It shows three M5 main connections on the M5 version and three PT1/8 main connections on the 06 version, plus a separate PT1/8 pilot port. Overall body dimensions are 56.6mm long, 27mm high and 18mm wide.
