Airtac SDA Ultra Thin Cylinder SDA12X20SBH
The AirTAC Airtac SDA Ultra Thin Cylinder SDA12X20SBH is a genuine double-acting COMPACT (thin) air cylinder with a Ø12mm bore and 20mm 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
- Stroke20 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 SDA12X20SBH
The AirTAC SDA12X20SBH is a double-acting, single-rod compact cylinder engineered for tight machinery footprints. Its riveted assembly yields a very short axial profile, saving mounting depth where conventional round bodies cannot fit. Delivering 56.5 N of push force at 0.5 MPa, this 12mm bore unit is equipped with a male M5x0.8 threaded piston rod for direct load coupling.
This specific configuration includes the -S magnet for position detection via AirTAC reed or electronic switches, and the -H fluororubber (FKM) seal for enhanced thermal and oil resistance. The bore is hard-anodized, and end-stops rely on a fixed NBR bumper rather than an adjustable air cushion. Operating speeds span 30-500 mm/s across a 0.15-1.0 MPa pressure range.
Airtac SDA Ultra Thin Cylinder SDA12X20SBH Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA12X20SBH |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø12 mm |
| Stroke | 20 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 SDA12X20SBH
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×20 | 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 SDA12X20SBH Is Used
PCB Probe Testing
Drives delicate test probes against circuit boards with precise 56.5 N force, where the compact 12mm body fits densely packed testing fixtures.
Lab Dispense Valving
Actuates small fluid dispensing valves in analytical equipment, leveraging FKM seals to resist chemical exposure and elevated ambient heat.
Micro-Ejector Sorting
Provides rapid 20mm ejection strokes in electronic component sorters, using the male M5 rod end to secure custom pickup nozzles.
Is the Airtac SDA Ultra Thin Cylinder SDA12X20SBH the Right Cylinder?
When sizing this 12mm bore actuator, stepping up to the SDA16 increases output to 100.5 N push at 0.5 MPa if your application demands more force. Conversely, the SDA12 represents the smallest standard option in this series, making it ideal for ultra-light duties like a safe working load of roughly 34 N (about 60% of its 56.5 N capacity) or a vertical lift of 2.9 kg with a 2:1 margin. To finalize your order, confirm the 20mm stroke, M5x0.8 air port, male M5x0.8 rod thread, FKM seals, and the built-in magnet.
Keep in mind that a standard double-acting cylinder drifts when air pressure is lost or the valve is centered. The fixed NBR bumper only decelerates the piston near the stroke end; it does not function as a locking brake. If your setup must hold a load vertically without live pressure, integrate an external rod lock or a pilot-operated check valve.
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 SDA12X20SBH FAQ
At 0.5 MPa, this double-acting 12mm bore cylinder provides 56.5 N push and 42.4 N pull. At 0.7 MPa, it yields 79.2 N push and 59.4 N pull. The theoretical maximum push force is 12 kgf at 1.0 MPa.
It uses a fixed NBR bumper at each end to decelerate the stroke, which is not an adjustable air cushion. Because it includes the -S option, it has a built-in piston magnet compatible with AirTAC reed or electronic switches mounted in the body grooves.
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