The AirTAC AirTAC SDA80X45B Compact Cylinder | 80mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø80mm bore and 45mm stroke, PT3/8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA80X45B is a double-acting single-rod compact cylinder engineered for high-force tasks in tight axial spaces. It delivers a push force of 2513.3 N and a pull force of 2267.8 N at 0.5 MPa. The riveted unibody design significantly reduces overall length compared to conventional round-body units, saving valuable machine footprint. This specific SKU includes a male M22x1.5 piston rod thread for robust mechanical coupling to your load.
Instead of an adjustable air cushion, the bore relies on a fixed NBR bumper at each end to decelerate the stroke. Because this unit lacks the -S magnet option, it cannot directly host AirTAC reed or electronic switches. Operating at speeds between 30-500 mm/s, it handles a safe working load of roughly 1508 N (about 60% of the 0.5 MPa push figure), which translates to a vertical lift capacity of approximately 128.1 kg with a 2:1 safety margin.
| Model | AirTAC SDA80X45B Compact Cylinder | 80mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø80 mm |
| Stroke | 45 mm |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod end thread | M14×1.5 female / M22×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 120 mm |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×45 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Uses the 2513.3 N extend force to positively eject heavy sheet metal blanks from a progressive die, where the short riveted body fits within the press bolster.
Deploys the 25 mm rod with a male M22x1.5 thread to square up misaligned pallets on a heavy-duty conveyor line prior to stretch wrapping.
Raises a lowerator lift gate using the 128.1 kg vertical lift capacity, though an external pilot-operated check valve must be fitted to prevent drifting under load.
When sizing this actuator, consider stepping down to the SDA63 if your application requires less force, as it provides 1558.6 N of push at 0.5 MPa. Conversely, if you need more power, the SDA100 offers 3927 N at the same pressure. Remember that a standard double-acting cylinder like this will not hold a load if air pressure drops or the valve is centered; the piston will drift, and the fixed bumper only decelerates near the stroke end rather than locking it. For suspended loads, integrate an external rod lock or a pilot-operated check valve. To order, confirm the 80 mm bore, 45 mm stroke, PT3/8 port, male M22x1.5 rod thread (B), and no magnet.
Quick checklist
At 0.5 MPa, the push force is 2513.3 N and the pull force is 2267.8 N. At 0.7 MPa, the push force is 3518.6 N. The theoretical maximum push force is 513 kgf at 1.0 MPa. The operating pressure range is 0.15-1.0 MPa, with a proof pressure of 1.5 MPa, and the speed range is 30-500 mm/s.
This specific SKU lacks the -S magnet, so it cannot support AirTAC reed or electronic switches. Additionally, it does not have an adjustable air cushion; it uses a fixed NBR bumper at each end to absorb the end stop. For high-speed or high-energy cycles, you should add an external shock absorber or slow down the approach speed.
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