The AirTAC AirTAC SDA25X120 Compact Cylinder | 25mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø25mm bore and 120mm 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 SDA25X120 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 significantly shortens the overall axial length, making it ideal for machinery where a standard round-body unit would encroach on the available mounting envelope. The hard-anodized bore and two-way piston seal ensure reliable service across millions of cycles.
This specific configuration features a 120 mm stroke, matching the maximum standard stroke limit for this 25 mm bore size, alongside a 10 mm piston rod and M5x0.8 air ports. End-of-travel deceleration is handled by a fixed NBR bumper rather than an adjustable cushion. Note that this SKU lacks a piston magnet, so it cannot directly host AirTAC reed or electronic switches without selecting the -S option.
| Model | AirTAC SDA25X120 Compact Cylinder | 25mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø25 mm |
| Stroke | 120 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. |
| ×120 | 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).
Actuates a routing flap on a logistics sorting line, utilizing the 120 mm travel to redirect parcels efficiently within a narrow conveyor frame.
Deploys a folding arm to tuck corrugated box flaps prior to tape sealing, where the 245.4 N thrust easily overcomes cardboard resistance.
Raises a small tooling plate or empty pallet stacker in a compact assembly cell, providing a 12.5 kg vertical lift capacity with a 2:1 safety margin.
When sizing this unit, evaluate your force requirements carefully: stepping down to the SDA20 reduces the 0.5 MPa push output to 157.1 N, while upgrading to the SDA32 increases it substantially to 402.1 N. Based on the 245.4 N output at 0.5 MPa, the computed safe working load is approximately 147 N (about 60% capacity), which translates to a vertical lift capability of roughly 12.5 kg with a 2:1 safety margin. Keep in mind that a standard double-acting cylinder drifts when air pressure is lost or the valve is centered—the fixed bumper only decelerates the stroke end and does not function as a locking brake, so an external rod lock or pilot-operated check valve is required to hold a load safely in place.
To finalize your RFQ, confirm this exact configuration: 25 mm bore, 120 mm stroke, M5x0.8 porting, female M5x0.8 rod-end thread (default), and no sensor magnet. If your application requires position feedback, specify the -S code to add a magnet for reed or solid-state sensing.
Quick checklist
This 25 mm bore cylinder generates 245.4 N push and 206.2 N pull at 0.5 MPa, increasing to 343.6 N push and 288.6 N pull at 0.7 MPa. The theoretical maximum push force is 50 kgf at 1.0 MPa. It operates on filtered air between 0.15 and 1.0 MPa, with a speed range of 30-500 mm/s.
No, the SDA series uses a fixed NBR bumper at each end to absorb impact energy, which is not field-adjustable like a pneumatic air cushion. If your application runs at high speeds or involves heavy masses, you should add an external shock absorber or decelerate the approach via flow controls.
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