The AirTAC AirTAC SDA25X120SH 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 SDA25X120SH is a double-acting, single-rod compact cylinder engineered with a 25 mm bore and 120 mm stroke. It generates 245.4 N of push force and 206.2 N of pull force at 0.5 MPa, making it suitable for medium-duty positioning tasks. The riveted body design drastically reduces axial mounting depth compared to conventional round-body units, freeing up valuable space within tight machine footprints.
This specific configuration includes a built-in piston magnet (-S) for direct mounting of AirTAC reed or electronic switches along the body grooves, plus fluororubber (FKM) seals (-H) for enhanced thermal and oil resistance. End-of-travel deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion, meaning operators should slow the approach speed or add external shock absorbers for high-energy loads. Operating speed ranges from 30-500 mm/s.
| Model | AirTAC SDA25X120SH 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 packaging conveyor, utilizing the 120 mm stroke to redirect cartons into secondary lanes without consuming excessive frame depth.
Drives a probe head onto printed circuit boards, relying on the FKM seals to withstand flux residues and the piston magnet to confirm seating position.
Pushes storage totes from an accumulation roller track onto a pick station, where the 245.4 N output easily overcomes sliding friction.
When sizing this unit, consider stepping down to the SDA20, which yields 157.1 N of push at 0.5 MPa, or moving up to the SDA32, which provides 402.1 N at the same pressure. For the SDA25X120SH, the computed 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. Keep in mind a standard cylinder will drift and cannot hold a load if air pressure drops or the valve is centered; integrating an external rod lock or pilot-operated check valve is necessary for secure positioning. To order, confirm the 25 mm bore, 120 mm stroke, M5x0.8 port, built-in magnet, and female rod-end thread.
Quick checklist
This 25 mm bore cylinder provides 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 between 0.15-1.0 MPa, with a proof pressure of 1.5 MPa, and supports a speed range of 30-500 mm/s.
It relies on a fixed NBR bumper at each end to decelerate the piston, which is not an adjustable air cushion or a locking brake; for high-speed cycles, external shock absorbers are advised. The included piston magnet works with AirTAC reed or electronic switches fitted into the body grooves for position confirmation.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.