The AirTAC AirTAC SDA25X75 Compact Cylinder | 25mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø25mm bore and 75mm stroke, M5×0.8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA25X75 is a double-acting single-rod compact cylinder engineered to deliver 245.4 N of push force and 206.2 N of pull force at 0.5 MPa. Its riveted assembly joins the barrel, rear cover, piston and rod into a very short unit, saving valuable axial mounting depth where a round-body component would not fit. The 25 mm bore features a 10 mm piston rod and an M5x0.8 port.
This model relies on a fixed NBR bumper at each end to decelerate the stroke end, meaning it is not an adjustable air cushion. Because this specific SKU lacks the -S magnet code, it cannot directly accept AirTAC magnetic switches. The hard-anodized bore and two-way piston seal ensure reliable operation across the 30-500 mm/s speed range.
| Model | AirTAC SDA25X75 Compact Cylinder | 25mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod end thread | M5×0.8 female / M8×1.25 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 | 245 N | 206 N |
| 0.7 MPa | 344 N | — |
| Max (@1.0 MPa) | 50 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. |
|---|---|
| 25 | Bore size in mm. |
| ×75 | 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).
Deploys a guide flap on a printed circuit board routing machine, using the 75 mm stroke to divert panels into an inspection bay without consuming excessive machine footprint.
Drives a short mechanical arm to tuck minor flaps on a packaging line, where the 245.4 N push force at 0.5 MPa easily overcomes light cardboard resistance.
Pushes non-conforming small parts off a conveyor belt, achieving a safe working load of 147 N to reliably clear items from the main product stream.
When sizing this actuator, note that the SDA20 provides 157.1 N of push at 0.5 MPa, while the SDA32 steps up to 402.1 N. This 25 mm bore yields a safe working load of roughly 147 N (about 60% of the 245.4 N figure) and can vertically lift approximately 12.5 kg with a 2:1 margin. If your application requires position holding on air loss, be aware the piston will drift; you must add an external rod lock or pilot-operated check valve.
To order, confirm the 25 mm bore, 75 mm stroke, M5x0.8 port, and the default female M5x0.8 rod-end thread. If your assembly needs male threading, request the B option, and add the S code if you require a magnet for reed or electronic switches.
Quick checklist
At 0.5 MPa this cylinder provides 245.4 N push and 206.2 N pull. At 0.7 MPa it provides 343.6 N push and 288.6 N pull. The theoretical maximum push is 50 kgf at 1.0 MPa, with an operating pressure range of 0.15-1.0 MPa.
This specific SKU lacks the -S magnet, so it cannot accept reed or electronic switches. End-of-stroke deceleration is handled by a fixed NBR bumper, not an adjustable air cushion; for high-speed cycling you should slow the approach or add external shock absorbers.
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