Airtac STA Single Acting Compact Guided Cylinder STA12X10S
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA12X10S 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 STA12X10S
The AirTAC STA12X10S is a compact single-acting pull-type cylinder where air retracts the rod and an internal spring extends it back out. It provides 32.4 N of net pull at 0.5 MPa, safely handling a working load of roughly 19 N or a 1.7 kg vertical lift with a 2:1 margin. This normally-extended unit fails safely to its extended position if air pressure drops.
Its short riveted body saves valuable axial mounting depth where round-body or profile cylinders will not fit. You only need a single M5x0.8 port and one solenoid to operate it, while the integrated -S magnet enables position detection via AirTAC reed or electronic switches.
Airtac STA Single Acting Compact Guided Cylinder STA12X10S Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA12X10S |
|---|---|
| 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 STA12X10S
| 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 STA12X10S Is Used
Small Part Clamping
Uses the 32.4 N pull to draw a lightweight jig back against a stop, releasing the part when air is removed.
Gate Diverter Return
Employs the spring-extend function to keep a sorting flap open by default, pulling it closed only during transit.
Light Tensioning
Maintains steady tension on a delicate film or wire by pulling it in, relying on the spring to pay it out.
Is the Airtac STA Single Acting Compact Guided Cylinder STA12X10S the Right Cylinder?
When sizing this 12 mm bore, sizing both ways is essential. Stepping up to the STA16 yields 66.4 N of net pull at 0.5 MPa, whereas the STA12X10S sits at the lower boundary of the range with 32.4 N. Remember the 30 mm maximum stroke ceiling for this series.
Because the internal spring drives the rod out, this model cannot hold a mid-stroke load without live pressure. This specific configuration includes the S magnet option for sensing, a 10 mm stroke, an M5x0.8 port, and a female M3x0.5 rod-end thread on its 6 mm rod.
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 STA12X10S FAQ
The net pull force is 32.4 N at 0.5 MPa and 49.4 N at 0.7 MPa. These figures already account for the return spring resistance.
No, the spring drives the rod to the extended position when air is released. It requires at least 0.2 MPa to overcome the spring and pull the load in.
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