Airtac STA Single Acting Compact Guided Cylinder STA40X10SB
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA40X10SB is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø40mm 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.
- BoreØ40 mm
- Stroke10 mm
- Port sizePT1/8
- Acting typeSingle acting, pull type
- Rod threadM8×1.25 (F) / M14×1.5 (B)
- CushionFixed NBR bumper
About the Airtac STA Single Acting Compact Guided Cylinder STA40X10SB
The AirTAC STA40X10SB is a compact single-acting pull-type cylinder where compressed air retracts the rod and an internal spring pushes it back out. At 40 mm bore, it generates 445.1 N of net pull at 0.5 MPa, safely handling a working load of about 267 N or vertically lifting roughly 22.7 kg with a 2:1 margin.
This configuration includes a built-in piston magnet for AirTAC reed or electronic switches and a male M14x1.5 piston rod thread. The short riveted body minimizes axial mounting depth, while a fixed NBR bumper decelerates the stroke end without acting as an adjustable lock.
Airtac STA Single Acting Compact Guided Cylinder STA40X10SB Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA40X10SB |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø40 mm |
| Stroke | 10 mm |
| Acting type | Single acting, pull type |
| Port size | PT1/8 |
| Rod end thread | M8×1.25 female / M14×1.5 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 (Ø40mm, Pull)
| Pressure | Pull force (net) |
|---|---|
| 0.5 MPa | 445 N |
| 0.7 MPa | 656 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 STA40X10SB
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 40 | 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 STA40X10SB Is Used
Gate Retraction
Uses the 445.1 N net pull to draw a diverter gate closed on a conveyor line, letting the spring automatically reopen it during an air loss.
Film Tensioning
Pulls a packaging film dancer arm back to maintain tension, relying on the short 10 mm stroke and male M14x1.5 rod for a compact mounting fit.
Hold-Down Release
Retracts a clamping pin to free a vertical hold-down fixture, taking advantage of the spring-extend function to safely reset the pin to its open state.
Is the Airtac STA Single Acting Compact Guided Cylinder STA40X10SB the Right Cylinder?
When sizing this 40 mm bore unit, consider the STA32 which yields 290.1 N net pull at 0.5 MPa, or step up to the STA50 providing 717.7 N. This STA40X10SB requires at least 0.2 MPa operating pressure to overcome the return spring and operates within a 0.2-1.0 MPa range.
Because the spring extends the rod upon air loss, it cannot hold a mid-stroke load without external devices. Verify your build needs the 10 mm stroke (under the 30 mm ceiling), PT1/8 port, -S magnet, and -B male M14x1.5 rod thread.
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 STA40X10SB FAQ
This cylinder provides a net pull force of 445.1 N at 0.5 MPa and 656.2 N at 0.7 MPa. These figures already account for the internal return spring resistance.
Air pressure retracts the rod while the internal spring extends it. It requires a minimum of 0.2 MPa to overcome the spring, and the included -S magnet allows tracking with reed or electronic switches.
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