The AirTAC AirTAC SDA25X30SN Compact Cylinder | 25mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø25mm bore and 30mm 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 SDA25X30SN is a double-acting, single-rod compact cylinder engineered for tight machinery footprints. Its riveted assembly minimizes axial mounting depth, while the hard-anodized 25 mm bore delivers 245.4 N of push force at 0.5 MPa. Equipped with an integrated piston magnet, the body features peripheral grooves for direct mounting of AirTAC reed or electronic switches.
This 30 mm stroke unit relies on a fixed NBR bumper at each end to decelerate the piston, meaning it is not a field-adjustable air cushion. Operating at speeds between 30 and 500 mm/s, it utilizes an M5x0.8 port and a 10 mm rod to translate motion efficiently in lightweight positioning tasks.
| Model | AirTAC SDA25X30SN Compact Cylinder | 25mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø25 mm |
| Stroke | 30 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. |
| ×30 | 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).
Provides the precise 245.4 N push at 0.5 MPa needed to eject cut circuit boards from a routing fixture without damaging delicate traces.
Uses the 30 mm stroke to tuck minor flaps on small packaging lines, where the short riveted body conserves valuable axial conveyor space.
Drives a metering valve for chemical dosing, relying on the -S magnet and a solid-state switch to confirm the exact dispense stroke position.
When sizing this actuator, compare its 245.4 N push at 0.5 MPa against adjacent bores: stepping down to the SDA20 yields 157.1 N, while stepping up to the SDA32 provides 402.1 N. A practical safe working load is roughly 147 N (about 60% of the 0.5 MPa figure), which translates to a vertical lift capacity near 12.5 kg with a 2:1 safety margin. To finalize your order, confirm the 25 mm bore, 30 mm stroke, M5x0.8 port, built-in magnet, and female rod-end thread.
Note that a standard SDA body will drift and cannot hold a load if air pressure drops or the valve is centered—the fixed bumper only decelerates near the stroke end, acting as neither a lock nor a brake. If your application requires position holding without live pressure, you must integrate an external rod lock or a pilot-operated check valve.
Quick checklist
This 25 mm bore 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, with a proof pressure of 1.5 MPa.
It uses a fixed NBR bumper at each end to decelerate the piston, which is not an adjustable air cushion. It also does not hold position on air loss; if you need to maintain a load without live pressure, add an external rod lock or pilot-operated check valve.
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