Airtac STA Single Acting Compact Guided Cylinder STA50X10S
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA50X10S is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø50mm 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.
- BoreØ50 mm
- Stroke10 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 STA50X10S
The AirTAC STA50X10S is a compact single-acting pull-type cylinder where compressed air retracts the rod and an internal spring extends it back out. It provides 717.7 N of net pull at 0.5 MPa, reaching 1047.5 N at 0.7 MPa. Because the spring handles the extension stroke, only one PT1/4 air line is required for operation.
This unit includes a built-in piston magnet (-S) for AirTAC reed or electronic switches. The short riveted body saves axial mounting depth, and a fixed NBR bumper decelerates the stroke ends. It is not a tie-rod or ISO 15552 cylinder.
Airtac STA Single Acting Compact Guided Cylinder STA50X10S Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA50X10S |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø50 mm |
| Stroke | 10 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 (Ø50mm, Pull)
| Pressure | Pull force (net) |
|---|---|
| 0.5 MPa | 718 N |
| 0.7 MPa | 1048 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 STA50X10S
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 50 | 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 STA50X10S Is Used
Tensioning Levers
Uses the 717.7 N net pull to draw linkage arms backward against a stop, releasing tension instantly when air is removed.
Gate Retraction
Pulls a diverter gate closed on a conveyor line, relying on the internal spring to push the barrier open during an air loss event.
Pallet Hold-Down
Clamps packaging materials flat on a pallet base, using the 10 mm stroke to pull a tension bar securely into position.
Is the Airtac STA Single Acting Compact Guided Cylinder STA50X10S the Right Cylinder?
When sizing this 50 mm bore, note the STA40 yields 445.1 N while the STA63 provides 1225.5 N at 0.5 MPa. The 10 mm stroke is well within the 30 mm maximum. A safe working load is roughly 431 N, allowing a vertical lift of about 36.6 kg with a 2:1 margin.
Remember the spring extends the rod on air loss, so it will not hold a mid-stroke load without live pressure. This STA50X10S configuration features the female M10x1.5 rod thread, the -S magnet, and a PT1/4 port.
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 STA50X10S FAQ
The net pull force is 717.7 N at 0.5 MPa and 1047.5 N at 0.7 MPa. It requires an operating pressure between 0.2 and 1.0 MPa, needing at least 0.2 MPa to overcome the internal return spring.
Air retracts the rod while the internal spring extends it. If air pressure is lost, the spring drives the rod to its extended rest position. It cannot hold a mid-stroke load without live pressure.
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