The AirTAC AirTAC SDA40X10SN Compact Cylinder | 40mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø40mm bore and 10mm stroke, PT1/8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
The AirTAC SDA40X10SN is a double-acting single-rod compact cylinder engineered for tight axial spaces. It generates 628.3 N of push force and 527.8 N of pull force at 0.5 MPa, utilizing a 16 mm piston rod and a PT1/8 air port. The riveted body design drastically reduces overall mounting depth compared to standard round-body units, making it highly effective for minimizing machine footprints.
This specific model includes a built-in piston magnet (-S) for direct mounting of AirTAC reed or electronic switches along the body grooves. End-of-travel deceleration is handled by a fixed NBR bumper rather than an adjustable air cushion, meaning external shock absorbers should be specified for high-energy cycling. The female M8x1.25 rod end threads securely into your load coupling, and the unit operates reliably at speeds between 30 and 500 mm/s.
| Model | AirTAC SDA40X10SN Compact Cylinder | 40mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø40 mm |
| Stroke | 10 mm |
| Acting type | Double acting |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 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 | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 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. |
|---|---|
| 40 | Bore size in mm. |
| ×10 | 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).
Secures printed circuit board panels during routing operations where the 10 mm stroke rapidly locks the substrate in place without consuming excessive longitudinal bay space.
Deploys a short 10 mm stroke to tuck minor flaps on packaging lines, leveraging the 628.3 N push force to overcome cardboard resistance efficiently.
Acts as a compact positioning stop in press feed lines, using the 16 mm rod to register sheet metal blanks accurately before stamping.
When sizing this 40 mm bore actuator, evaluate your force margins carefully. Stepping down to the SDA32 yields 402.1 N of push at 0.5 MPa, whereas stepping up to the SDA50 provides 981.7 N. The SDA40X10SN provides a safe working load of roughly 377 N (about 60% of the 0.5 MPa figure) and can vertically lift approximately 32 kg with a 2:1 safety margin. Keep in mind that a standard compact 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. If your application demands position holding without live pressure, integrate an external rod lock or a pilot-operated check valve. To order, confirm the 10 mm stroke, PT1/8 port, built-in magnet, and female rod-end thread.
Quick checklist
At 0.5 MPa, this double-acting cylinder provides 628.3 N of push force and 527.8 N of pull force. At 0.7 MPa, the push increases to 879.6 N and the pull to 738.9 N. The theoretical maximum push is 128 kgf at the 1.0 MPa operating pressure limit.
No, the piston will drift if air pressure is lost or the directional valve is centered. The fixed NBR bumper only decelerates the rod near the stroke end and does not act as a brake. To maintain position, you must add an external rod lock or a pilot-operated check valve.
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