Airtac STA Single Acting Compact Guided Cylinder STA12X10SB
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA12X10SB is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø12mm bore and 10mm stroke. Air pulles the rod and an internal spring returns it, so one solenoid line drives the motion — ideal for short-stroke clamping and ejection in tight spaces.
- BoreØ12 mm
- Stroke10 mm
- Port sizeM5×0.8
- Acting typeSingle acting, pull type
- Rod threadM3×0.5 (F) / M5×0.8 (B)
- CushionFixed NBR bumper
About the Airtac STA Single Acting Compact Guided Cylinder STA12X10SB
The AirTAC STA12X10SB is a compact single-acting pull-type cylinder where compressed air retracts the rod and an internal spring extends it back out. It delivers 32.4 N of net pull at 0.5 MPa, meaning the quoted force already accounts for the spring resistance. This 12 mm bore unit uses a single M5x0.8 air line and one solenoid port, simplifying plumbing since the internal spring handles the extension stroke.
Designed for tight spaces, the short riveted body saves axial mounting depth where larger profile cylinders will not fit. This specific configuration includes a built-in piston magnet for position sensing and a male M5x0.8 threaded rod end. Impact at the stroke extremes is managed by a fixed NBR bumper, which decelerates the piston without locking it in place.
Airtac STA Single Acting Compact Guided Cylinder STA12X10SB Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA12X10SB |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø12 mm |
| Stroke | 10 mm |
| Acting type | Single acting, pull type |
| 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 | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 500 mm/s |
| Cushion | Fixed NBR bumper |
| Max standard stroke | Up to 30 mm |
Specifications follow the official AirTAC SDA-family datasheet. Single-acting types start at 0.2 MPa (the spring must be overcome). Confirm against the product label before installation.
Net Output Force (Ø12mm, Pull)
| Pressure | Pull force (net) |
|---|---|
| 0.5 MPa | 32 N |
| 0.7 MPa | 49 N |
These are NET output forces — the return-spring force is already deducted. Single-acting pull only; the spring performs the opposite stroke. Size with a safety margin.
Model Code: Airtac STA Single Acting Compact Guided Cylinder STA12X10SB
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 12 | Bore size in mm. |
| ×10 | Stroke length in mm (single-acting max 30 mm). |
| S | Built-in magnet for magnetic-switch sensing (omit = none). |
| B | Male-thread piston rod (omit = female thread). |
Thread: PT standard. SSA pushes out / spring returns; STA pulls in / spring extends. Related: SDA (double acting), SDAD (double rod), SDAJ (adjustable stroke).
Where the Airtac STA Single Acting Compact Guided Cylinder STA12X10SB Is Used
Clamp Retraction
Uses the 32.4 N net pull to draw a small machining fixture back, allowing the internal spring to push the clamp open when air is removed.
Gate Return
Employs the single air line to pull a diverter gate closed against a 1.7 kg load, relying on the spring to snap it back to the open position.
Film Tensioning
Leverages the compact 12 mm body and male M5 rod to maintain steady tension on packaging film, pulling the material taut during the wrap cycle.
Is the Airtac STA Single Acting Compact Guided Cylinder STA12X10SB the Right Cylinder?
When sizing this model, the 32.4 N net pull at 0.5 MPa yields a safe working load of roughly 19 N, or a vertical lift of about 1.7 kg with a 2:1 margin. If your application requires less force, note there is no smaller bore in this series. Moving up to the STA16X10SB provides 66.4 N of net pull at 0.5 MPa, offering a direct upgrade path if the 12 mm bore is insufficient. Operating pressure must be at least 0.2 MPa to overcome the return spring, with a maximum of 1.0 MPa.
This configuration features a 12 mm bore, a 10 mm stroke (well under the 30 mm series ceiling), an M5x0.8 port, a male M5x0.8 rod thread, and a built-in magnet for AirTAC reed or electronic switches. Because it is spring-extended, the STA12X10SB fails to the extended position on air loss and cannot hold a mid-stroke load without an external device.
Quick checklist
- ✓ Net pull force at your working pressure
- ✓ Stroke ≤ 30 mm (single-acting limit)
- ✓ Single air line saves a valve/port
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 1.0 MPa operating pressure.
- check Remember the spring performs the return stroke.
- check Avoid side load on the short piston rod.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac STA Single Acting Compact Guided Cylinder STA12X10SB FAQ
This cylinder provides a net pull force of 32.4 N at 0.5 MPa and 49.4 N at 0.7 MPa. The operating pressure range is 0.2 to 1.0 MPa, with a minimum of 0.2 MPa required to overcome the internal return spring.
Air pressure retracts the rod, while the internal spring extends it to the resting position; on air loss, it fails to the extended state. The built-in -S magnet allows tracking with AirTAC reed or electronic switches, and the fixed NBR bumper decelerates the stroke end without locking the load.
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