AirTAC 4A21008 5-Way Air-Piloted Valve
AirTAC 4A21008 5-Way Air-Piloted Valve
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The AirTAC 4A21008 is a 5/2-way pneumatic directional valve with PT 1/4 inlet and working ports. An external air signal actuates the spool.
Product Features
- The external pilot arrangement lets the valve switch from a pneumatic signal.
- The sliding spool and finished bore are designed for smooth switching with low friction.
- Matching manifold options can group multiple 4A valves. Consult the series manifold drawing.
Technical Specifications
| Order code | 4A21008 |
|---|---|
| Valve function | 5/2-way |
| Actuation | External pneumatic pilot |
| Pilot arrangement | Single pilot (10) |
| Inlet and working ports | PT 1/4 |
| Max. frequency, no load | 5 cycles/s |
| Exhaust ports | PT 1/8 |
| Catalog valve weight | 185 g |
| Catalog flow coefficient | Cv 1.00 |
| Working medium | Compressed air filtered through a 40 µm element |
| Operating pressure | 0.15–0.8 MPa |
| Proof pressure | 1.2 MPa |
| Ambient temperature | −20 to 70 °C |
| Body | Aluminum alloy |
| Lubrication | No added oil required |
Before You Order
Check the required pilot arrangement and center function against the pneumatic symbol. Confirm the location and size of the pilot, inlet, working and exhaust connections on the dimension drawing.
Match the thread standard and valve body size to the existing installation. If lubricated air is used, keep the lubrication consistent as described in the AirTAC catalog.
Technical Documentation
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Availability & Lead Time
Availability & Lead Time
Availability and lead time vary by model and quantity. For urgent orders, please contact sales@airtac-shop.com with the exact model number, quantity, and delivery country to confirm availability and estimated dispatch time before ordering.
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Payment Help
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