Airtac SDA Ultra Thin Cylinder SDA12X30BH
The AirTAC Airtac SDA Ultra Thin Cylinder SDA12X30BH is a genuine double-acting COMPACT (thin) air cylinder with a Ø12mm 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.
- BoreØ12 mm
- Stroke30 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 SDA12X30BH
The AirTAC SDA12X30BH is a double-acting, single-rod compact cylinder engineered for tight spatial constraints. Its riveted assembly minimizes axial mounting depth, outperforming round-body units when machine footprint is critical. Delivering 56.5 N of push force at 0.5 MPa, this 12mm bore unit operates at speeds between 30-500 mm/s.
This specific configuration includes a male M5x0.8 threaded piston rod for direct load coupling and high-temperature fluororubber (FKM) seals. The bore is hard-anodized for longevity, and fixed NBR bumpers absorb end-stop impact. Note that this SKU lacks a piston magnet, so position sensing is not supported without the -S option.
Airtac SDA Ultra Thin Cylinder SDA12X30BH Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA12X30BH |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø12 mm |
| Stroke | 30 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 SDA12X30BH
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 12 | 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).
Where the Airtac SDA Ultra Thin Cylinder SDA12X30BH Is Used
PCB Component Placement
Drives a small pick-and-place head for surface mount electronics, utilizing the compact 30mm stroke and male M5 rod to precisely push tiny relays into printed circuit boards.
Lab Dispenser Actuation
Indexes a micro-valve for chemical reagent dispensing, where the FKM seals resist aggressive fluid vapors and the 56.5 N force accurately meters liquid drops.
Pharmaceutical Carton Flap Fold
Tucks minor flaps on small medical product cartons, fitting easily into narrow packaging machine frames due to the minimal axial length of the riveted body.
Is the Airtac SDA Ultra Thin Cylinder SDA12X30BH the Right Cylinder?
When sizing this 12mm bore actuator, consider stepping up to the SDA16, which provides 100.5 N of push force at 0.5 MPa if your load demands more power. Conversely, the SDA12 provides a safe working load of roughly 34 N (about 60% of its 56.5 N capacity) and can vertically lift approximately 2.9 kg with a 2:1 safety margin. Because a standard cylinder drifts when air pressure is lost or a valve centers, adding an external rod lock or pilot-operated check valve is necessary for strict load holding. Ensure your order specifies the 12mm bore, 30mm stroke, M5x0.8 port, male M5 rod thread, FKM seals, and no magnet.
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 SDA12X30BH FAQ
This 12mm bore double-acting cylinder provides 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 force is 79.2 N and the pull force is 59.4 N. The theoretical maximum push force 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, this specific SKU does not have a piston magnet, so it cannot trigger reed or electronic switches. You would need the -S option for sensing capabilities. Additionally, it uses fixed NBR bumpers to decelerate the piston at stroke ends, which are not adjustable and require external shock absorbers for high-energy loads.
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