Airtac SDA Ultra Thin Cylinder SDA12X15SN
The AirTAC Airtac SDA Ultra Thin Cylinder SDA12X15SN is a genuine double-acting COMPACT (thin) air cylinder with a Ø12mm bore and 15mm 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.
- BoreØ12 mm
- Stroke15 mm
- Port sizeM5×0.8
- Acting typeDouble acting
- Rod threadM3×0.5 (F) / M5×0.8 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDA Ultra Thin Cylinder SDA12X15SN
The AirTAC SDA12X15SN is a double-acting single-rod compact cylinder engineered for tight machinery footprints. Utilizing a riveted assembly, the body is exceptionally short axially, saving valuable mounting depth where a standard round-body unit cannot fit. It yields a 56.5 N push and 42.4 N pull at 0.5 MPa, operating within a 30-500 mm/s speed range.
This 12 mm bore variant features a hard-anodized inner wall and a 6 mm piston rod. The included -S option provides a built-in piston magnet for direct mounting of AirTAC reed or electronic switches along the body grooves. End-stopping relies on a fixed NBR bumper to decelerate the motion, rather than a field-adjustable air cushion.
Airtac SDA Ultra Thin Cylinder SDA12X15SN Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA12X15SN |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø12 mm |
| Stroke | 15 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).
Theoretical Output Force (Ø12mm)
| 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.
Model Code: Airtac SDA Ultra Thin Cylinder SDA12X15SN
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×15 | 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).
Where the Airtac SDA Ultra Thin Cylinder SDA12X15SN Is Used
PCB Ejector Pins
Provides a compact 15 mm kick to push delicate printed circuit boards out of an inspection fixture without overwhelming the 56.5 N thrust limit.
Lab Dispenser Actuation
Drives a micro-pump head in a diagnostic analyzer, where the short 12 mm bore footprint and integrated electronic switch tracking ensure precise fluid metering.
Small Parts Sorting
Pushes lightweight plastic caps into a packaging chute, benefiting from the fixed NBR bumper to soften the end stop in continuous 24/7 operation.
Is the Airtac SDA Ultra Thin Cylinder SDA12X15SN the Right Cylinder?
Selecting this 12 mm bore unit makes sense when your payload is light; a safe working load is roughly 34 N (about 60% of the 56.5 N figure at 0.5 MPa), allowing a vertical lift of approximately 2.9 kg with a 2:1 safety margin. If you require slightly greater thrust, stepping up to the SDA16 provides 100.5 N of push at 0.5 MPa. Remember that a standard compact cylinder drifts when air pressure is lost or the valve is centered, as the rubber bumper only decelerates near the stroke end and does not function as a locking brake; utilize an external pilot-operated check valve to hold a suspended load. Order essentials to confirm include the 12 mm bore, 15 mm stroke, M5x0.8 port, the -S magnet, and the female M3x0.5 rod thread.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short-body depth vs. a round-body cylinder
- ✓ Port/thread type (PT)
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
- ✓ Side load — avoid on a compact rod
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the short piston rod.
- check Very long strokes are unsuitable for the compact body.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDA Ultra Thin Cylinder SDA12X15SN FAQ
This double-acting 12 mm bore cylinder generates a push force of 56.5 N and a pull force of 42.4 N at 0.5 MPa. At 0.7 MPa, the push increases to 79.2 N. The theoretical maximum push is 12 kgf at 1.0 MPa, with an operating pressure range of 0.15-1.0 MPa and a speed of 30-500 mm/s.
No, the SDA series uses a fixed NBR bumper at each end to decelerate the piston near the stroke extremes; it is not an adjustable air cushion. For high-speed or high-energy cycles, you should add an external shock absorber or slow down the approach velocity.
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