The AirTAC AirTAC SDA12X40S Compact Cylinder | 12mm Bore is a genuine double-acting COMPACT (thin) air cylinder with a Ø12mm bore and 40mm 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 SDA12X40S is a double-acting single-rod compact cylinder engineered for tight spaces. It yields 56.5 N of push force and 42.4 N of pull force at 0.5 MPa, making it suitable for light-duty positioning. The riveted body design minimizes axial mounting depth where traditional round-body actuators cannot fit.
This 12 mm bore unit includes a built-in piston magnet (-S) for AirTAC reed or electronic switches, fitting into the body's sensor grooves. End-stopping relies on a fixed NBR bumper rather than an adjustable air cushion, so high-energy cycles may need external shock absorption. The 6 mm rod and M5x0.8 port ensure straightforward pneumatic integration.
| Model | AirTAC SDA12X40S Compact Cylinder | 12mm Bore |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø12 mm |
| Stroke | 40 mm |
| Acting type | Double acting |
| Port size | M5×0.8 |
| Rod end thread | M3×0.5 female / M5×0.8 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 50 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 | 57 N | 42 N |
| 0.7 MPa | 79 N | — |
| Max (@1.0 MPa) | 12 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. |
|---|---|
| 12 | Bore size in mm. |
| ×40 | 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).
Drives delicate pick-and-place heads in electronics assembly, utilizing the 56.5 N push force to seat small connectors without damaging fragile circuit boards.
Actuates routing gates for analytical instruments, where the short 40 mm stroke and compact footprint easily fit within crowded diagnostic equipment enclosures.
Closes miniature pneumatic jaws on vertical form-fill machines, relying on the integrated magnet to confirm jaw position via reed or electronic switches.
When sizing this 12 mm bore actuator, consider stepping up to the SDA16 if your application requires more power, as it provides 100.5 N of push at 0.5 MPa. As the smallest available bore in the series, the SDA12 is the baseline choice for ultra-light loads, offering a safe working load of roughly 34 N (about 60% of its 56.5 N capacity) and a vertical lift capability near 2.9 kg with a 2:1 safety margin.
Confirm your ordering essentials: 12 mm bore, 40 mm stroke, M5x0.8 port, built-in magnet (S), and female M3x0.5 rod thread. Remember 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 act as a lock. Use a pilot-operated check valve or external rod lock if you must hold a load safely.
Quick checklist
This double-acting 12 mm bore cylinder generates 56.5 N push and 42.4 N pull at 0.5 MPa, and 79.2 N push at 0.7 MPa. The theoretical maximum push is 12 kgf at 1.0 MPa. It operates between 0.15 and 1.0 MPa, with a speed range of 30-500 mm/s.
No, the SDA12 series uses a fixed NBR bumper at each end to decelerate the piston. It is not an adjustable air cushion. For high-speed or high-energy cycles, you should slow the approach speed or add an external shock absorber to prevent damage.
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.