Airtac STA Single Acting Compact Guided Cylinder STA32X15SB
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA32X15SB is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø32mm 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.
- BoreØ32 mm
- Stroke15 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 STA32X15SB
The AirTAC STA32X15SB is a compact single-acting pull-type cylinder where compressed air retracts the rod and an internal spring extends it back out. It provides 290.1 N of net pull at 0.5 MPa and 428.3 N at 0.7 MPa. This makes it ideal for tensioning or pulling loads inward, with the spring handling the return motion.
The short riveted body saves valuable axial mounting depth where a longer cylinder would fail to fit. It features a 12 mm piston rod, a PT1/8 air port, and a built-in magnet for position sensing. Because it is pull-type, the rod rests in the extended position and fails safely outward upon air loss.
Airtac STA Single Acting Compact Guided Cylinder STA32X15SB Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA32X15SB |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø32 mm |
| Stroke | 15 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 STA32X15SB
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 32 | 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 STA32X15SB Is Used
Tension Gate Release
Uses the 290.1 N net pull to retract a tensioned conveyor diverter gate, letting the internal spring push it back to the open rest position between cycles.
Carton Flap Hold-Down
Pulls a mechanical hold-down arm out of the way to clear packaging passages, relying on the spring to extend the 12 mm rod and clamp the flap during folding.
Return-to-Open Pin
Withdraws a locating pin on a machining fixture via air pressure, allowing the spring to drive the pin back out and safely release the part if air pressure drops.
Is the Airtac STA Single Acting Compact Guided Cylinder STA32X15SB the Right Cylinder?
When sizing this 32 mm bore model, consider the neighboring options. Stepping down, the STA25 yields 177.7 N net pull at 0.5 MPa, while stepping up to the STA40 provides 445.1 N. This STA32X15SB offers a calculated safe working load of roughly 174 N (about 60% of its 0.5 MPa rating) and can vertically lift approximately 14.8 kg with a 2:1 safety margin.
Remember the 30 mm maximum stroke ceiling for this series and the spring-extend behavior: the unit does not hold a mid-stroke load without live air pressure. This specific configuration includes the -S magnet for reed or electronic switches and the -B male rod end thread (M10x1.25 instead of the default female M6x1.0). Operating pressure must be at least 0.2 MPa to overcome the internal spring.
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 STA32X15SB FAQ
The net pull force is 290.1 N at 0.5 MPa and 428.3 N at 0.7 MPa. It requires an operating pressure of 0.2-1.0 MPa, with a minimum of 0.2 MPa required to overcome the return spring.
Air retracts the rod while the internal spring extends it; the rod rests extended on air loss. The -S code adds a piston magnet for AirTAC reed or electronic switches, and the -B code changes the rod end to a male M10x1.25 thread.
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