Airtac STA Single Acting Compact Guided Cylinder STA32X5S
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA32X5S is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø32mm bore and 5mm 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.
- BoreØ32 mm
- Stroke5 mm
- Port sizePT1/8
- Acting typeSingle acting, pull type
- Rod threadM6×1.0 (F) / M10×1.25 (B)
- CushionFixed NBR bumper
About the Airtac STA Single Acting Compact Guided Cylinder STA32X5S
The AirTAC STA32X5S is a compact single-acting pull-type cylinder where air retracts the rod and an internal spring extends it back out. It delivers 290.1 N of net pull at 0.5 MPa, making it suitable for short tensioning and hold-down tasks. Because the quoted force is already net of the return spring, you can size directly to this 290.1 N figure without further subtraction.
This model features a short 5 mm stroke and a riveted body that saves axial mounting depth where a standard round-body cylinder will not fit. The -S suffix indicates a built-in piston magnet for position sensing with AirTAC reed or electronic switches. A fixed NBR bumper decelerates the stroke end, as there is no adjustable air cushion.
Airtac STA Single Acting Compact Guided Cylinder STA32X5S Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA32X5S |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø32 mm |
| Stroke | 5 mm |
| Acting type | Single acting, pull type |
| Port size | PT1/8 |
| Rod end thread | M6×1.0 female / M10×1.25 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 (Ø32mm, Pull)
| Pressure | Pull force (net) |
|---|---|
| 0.5 MPa | 290 N |
| 0.7 MPa | 428 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 STA32X5S
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×5 | 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 STA32X5S Is Used
Short-Stroke Tensioning
Pulls a light clamping cable or linkage inward with 290.1 N of net force at 0.5 MPa before the spring releases the tension.
Fail-Safe Hold-Down
Holds a workpiece down when air pressure retracts the rod, then relies on the internal spring to automatically lift the clamp upon air loss.
Flap Closure Mechanism
Uses the 5 mm stroke to tug a packaging flap closed against a stop, with the fixed NBR bumper absorbing the end-of-travel shock.
Is the Airtac STA Single Acting Compact Guided Cylinder STA32X5S the Right Cylinder?
When sizing this 32 mm bore model, consider the neighboring options. Stepping down, the STA25 provides 177.7 N of net pull at 0.5 MPa, while stepping up, the STA40 yields 445.1 N at the same pressure. With a 2:1 safety margin, the STA32X5S offers a safe vertical lift capacity of roughly 14.8 kg, or about 174 N of working load at 60 percent of its 0.5 MPa rating.
This configuration includes a 5 mm stroke, a PT1/8 port, a Ø12 mm piston rod, and a female M6x1.0 rod-end thread. Operating pressure must be 0.2-1.0 MPa, as at least 0.2 MPa is required to overcome the internal spring. Remember that on air loss the spring drives the rod to its extended rest position, so it will not hold a mid-stroke load without an external locking 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 STA32X5S FAQ
The STA32X5S provides a net pull force of 290.1 N at 0.5 MPa and 428.3 N at 0.7 MPa. These values already account for the internal return spring, so no further force reduction is needed for the spring.
Air pressure retracts the rod inward, and you must supply at least 0.2 MPa to overcome the internal spring. When air is released, the spring pushes the rod back out to its extended rest position.
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