Airtac STA Single Acting Compact Guided Cylinder STA63X15SB
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA63X15SB is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø63mm bore and 15mm 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.
- BoreØ63 mm
- Stroke15 mm
- Port sizePT1/4
- Acting typeSingle acting, pull type
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionFixed NBR bumper
About the Airtac STA Single Acting Compact Guided Cylinder STA63X15SB
The AirTAC STA63X15SB is a 63 mm bore compact single-acting pull-type cylinder. Compressed air retracts the 20 mm rod, while an internal spring extends it to rest. This normally-extended actuator delivers 1225.5 N of net pull at 0.5 MPa, yielding a safe working load of roughly 735 N for a 2:1 margin.
Its short riveted body minimizes axial mounting depth where larger profile cylinders fail to fit. The unit features a fixed NBR bumper to decelerate the stroke end, and the -S option provides a built-in magnet for position sensing.
Airtac STA Single Acting Compact Guided Cylinder STA63X15SB Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA63X15SB |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø63 mm |
| Stroke | 15 mm |
| Acting type | Single acting, pull type |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 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 (Ø63mm, Pull)
| Pressure | Pull force (net) |
|---|---|
| 0.5 MPa | 1226 N |
| 0.7 MPa | 1786 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 STA63X15SB
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×15 | 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 STA63X15SB Is Used
Heavy Pallet Pulling
Utilizes the 1225.5 N net pull to draw heavy pallet jacks or loaded carts securely into a docking station against a mechanical stop.
Clamp Retraction
Releases high-force holding clamps on a fabrication jig by pulling the 20 mm rod inward, allowing the internal spring to re-extend the clamp when air is removed.
Vertical Lift Return
Lifts a 62.5 kg vertical load with a 2:1 safety margin during the retract stroke, relying on the spring to safely lower the mass when pneumatic pressure ceases.
Is the Airtac STA Single Acting Compact Guided Cylinder STA63X15SB the Right Cylinder?
At 0.5 MPa, this 63 mm bore generates 1225.5 N net pull. Sizing downward, the STA50 offers 717.7 N, representing the next step down for lighter tensioning tasks. The 15 mm stroke sits well below the 30 mm maximum limit for the series.
Because the spring drives the rod out upon air loss, this model does not hold a mid-stroke load without live pressure. This configuration includes the -S magnet for reed or electronic switches and the -B male M18x1.5 rod thread. Porting is PT1/4, and operation requires 0.2-1.0 MPa.
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 STA63X15SB FAQ
The net pull force is 1225.5 N at 0.5 MPa and 1786.2 N at 0.7 MPa. Operating pressure must be between 0.2 and 1.0 MPa, as at least 0.2 MPa is required to overcome the internal return spring.
Air pressure pulls the load in, and the spring pushes it back out. The -B option provides a male M18x1.5 threaded rod end for direct mounting. The -S magnet allows tracking with reed or electronic switches.
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