Airtac STA Single Acting Compact Guided Cylinder STA16X15
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA16X15 is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø16mm 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.
- BoreØ16 mm
- Stroke15 mm
- Port sizeM5×0.8
- Acting typeSingle acting, pull type
- Rod threadM3×0.5 (F) / M5×0.8 (B)
- CushionFixed NBR bumper
About the Airtac STA Single Acting Compact Guided Cylinder STA16X15
The AirTAC STA16X15 is a compact single-acting pull-type cylinder where air pressure retracts the 6 mm rod and an internal spring extends it back out. It generates 66.4 N of net pull at 0.5 MPa, meaning the spring force is already subtracted from the pneumatic effort. This normally-extended actuator fails safe to the extended position on air loss.
Designed with a short riveted body, it saves axial mounting depth where a standard round-body cylinder will not fit. The unit runs on a single M5x0.8 air port and relies on a fixed NBR bumper at each end to decelerate the stroke, rather than an adjustable air cushion. It operates at 50-500 mm/s and requires a minimum of 0.2 MPa to overcome the return spring.
Airtac STA Single Acting Compact Guided Cylinder STA16X15 Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA16X15 |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø16 mm |
| Stroke | 15 mm |
| Acting type | Single acting, pull type |
| Port size | M5×0.8 |
| Rod end thread | M3×0.5 female / M5×0.8 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 (Ø16mm, Pull)
| Pressure | Pull force (net) |
|---|---|
| 0.5 MPa | 66 N |
| 0.7 MPa | 101 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 STA16X15
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 16 | 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 STA16X15 Is Used
Tension Gate Release
Uses the 66.4 N net pull to retract a tensioned guide gate on a conveyor line, allowing the internal spring to push it back open when air is cut.
Carton Flap Hold-Down
Pulls a short 15 mm stroke holding arm away to clear packaging materials, relying on spring pressure to extend and hold the arm clear during idle.
Clamp Retraction
Releases a light-duty clamping fixture by pulling the 6 mm rod inward, providing a safe vertical lift capacity of about 3.4 kg with a 2:1 margin.
Is the Airtac STA Single Acting Compact Guided Cylinder STA16X15 the Right Cylinder?
When sizing this model, the 66.4 N net pull at 0.5 MPa yields a safe working load of roughly 40 N for reliable operation. If you need less force, stepping down to the STA12 provides 32.4 N, while moving up to the STA20 offers 108.9 N. This 15 mm stroke sits well below the 30 mm maximum limit for the series.
Remember that the internal spring drives the rod out when air is released, so the STA16X15 cannot hold a mid-stroke load without live pressure. This specific SKU lacks the -S magnet and cannot accept reed or electronic switches. It features a female M3x0.5 rod-end thread and standard M5x0.8 porting.
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 STA16X15 FAQ
The STA16X15 provides a net pull force of 66.4 N at 0.5 MPa and 101 N at 0.7 MPa. These figures already account for the internal spring resistance, representing the actual usable pulling force.
No, this specific SKU does not include the -S piston magnet, so it cannot accept reed or electronic switches. You must select the -S variant if position sensing is required.
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