The AirTAC AirTAC SDA25X100S Compact Cylinder | 25mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø25mm bore and 100mm 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 SDA25X100S 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. By utilizing a riveted assembly that permanently joins the barrel, rear cover, piston, and rod, the overall axial length is drastically reduced compared to conventional round-body units. This space-saving footprint is ideal for machinery where mounting depth is strictly limited.
This specific configuration includes a built-in piston magnet (indicated by the S option) for direct compatibility with AirTAC reed or electronic switches along the body grooves. The unit features a 10 mm piston rod, an M5x0.8 port, and relies on a fixed NBR bumper at each end to decelerate the stroke end. With a 100 mm stroke, it operates efficiently within the 30-500 mm/s speed range.
| Model | AirTAC SDA25X100S Compact Cylinder | 25mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 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. |
| ×100 | 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).
Pushes small to medium cardboard cartons off a sorting line using 245.4 N of extend force, fitting neatly within tight transfer station footprints.
Positions safety gates on printed circuit board routing machines, utilizing the 100 mm stroke and built-in magnet for precise end-of-travel detection.
Tamps adhesive labels onto product cases at high speed, relying on the fixed NBR bumper to absorb the impact at the end of the 100 mm extension.
When sizing this 25 mm bore actuator, evaluate your force requirements carefully. Stepping down to the SDA20 provides 157.1 N of push at 0.5 MPa, while moving up to the SDA32 yields 402.1 N at the same pressure. For the SDA25X100S, the safe working load is approximately 147 N (about 60% of the 245.4 N figure), translating to a vertical lift capacity of roughly 12.5 kg with a 2:1 safety margin. To finalize your order, confirm the 25 mm bore, 100 mm stroke, M5x0.8 port, female rod-end thread, and the required magnetic sensor option.
Keep in mind that a standard compact cylinder does not hold its position if air pressure is lost or the directional valve is centered; the piston will drift. The fixed NBR bumper only decelerates the load near the stroke extremes and does not function as a mechanical lock. If your application demands strict position holding without live air pressure, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
This double-acting cylinder generates 245.4 N push and 206.2 N pull at 0.5 MPa, and 343.6 N push at 0.7 MPa. The theoretical maximum push force is 50 kgf at 1.0 MPa. It operates on filtered air between 0.15-1.0 MPa, with a proof pressure of 1.5 MPa, and supports a speed range of 30-500 mm/s.
The S suffix confirms a built-in piston magnet for AirTAC reed or electronic switches. However, it does not use adjustable air cushions; instead, a fixed NBR bumper absorbs impact at the stroke ends. For high-energy or high-speed loads, adding an external shock absorber is recommended.
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