Airtac STA Single Acting Compact Guided Cylinder STA32X15
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA32X15 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 STA32X15
The AirTAC STA32X15 is a compact single-acting pull-type cylinder where compressed air retracts the 12mm rod and an internal spring pushes it back out. It generates 290.1 N of net pull at 0.5 MPa, meaning the spring resistance is already subtracted from the pneumatic force. This normally-extended actuator fails safe to the extended position upon air loss.
Designed for tight envelopes, the short riveted body saves axial mounting depth where a standard round-body cylinder will not fit. End-of-stroke deceleration is handled by a fixed NBR bumper rather than an adjustable cushion. This specific SKU lacks a piston magnet, so it cannot accept position switches without upgrading to an -S variant.
Airtac STA Single Acting Compact Guided Cylinder STA32X15 Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA32X15 |
|---|---|
| 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 STA32X15
| 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 STA32X15 Is Used
Tensioning Clamps
Uses the 290.1 N net pull to draw and hold workpiece clamps tight under pneumatic pressure, releasing automatically when air is cut.
Gate Diversion
Pulls a diverter gate inward against spring resistance to route packages, relying on the internal spring to snap the gate back open.
Hold-Down Pins
Retracts locating pins on demand to let pallets pass, with the spring extending the pins back into their locking holes for secure positioning.
Is the Airtac STA Single Acting Compact Guided Cylinder STA32X15 the Right Cylinder?
When sizing this 32mm bore, compare its 290.1 N net pull at 0.5 MPa against adjacent models: the STA25 yields 177.7 N, while the STA40 provides 445.1 N. A practical safe working load is roughly 174 N, allowing a vertical lift of about 14.8 kg with a 2:1 safety margin. Operating pressure must be at least 0.2 MPa to overcome the return spring.
This configuration features a 15mm stroke, a PT1/8 port, and a female M6x1.0 rod-end thread. Remember the 30mm maximum stroke ceiling for the series. Because the spring drives the rod out when air is released, this cylinder cannot 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 STA32X15 FAQ
The STA32X15 provides a net pull force of 290.1 N at 0.5 MPa and 428.3 N at 0.7 MPa. These figures already account for the internal spring resistance, so you can size directly to these values.
No, this specific SKU does not include a piston magnet. You must select the -S option code to add a magnet for AirTAC reed or electronic switches. It also requires a minimum of 0.2 MPa operating pressure to overcome the spring.
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