Airtac STA Single Acting Compact Guided Cylinder STA16X5S
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA16X5S is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø16mm 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.
- BoreØ16 mm
- Stroke5 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 STA16X5S
The AirTAC STA16X5S is a compact single-acting pull-type cylinder where air retracts the rod and an internal spring extends it back out. It yields 66.4 N of net pull at 0.5 MPa, making it suitable for light tensioning duties. The short riveted body saves valuable axial mounting depth where a longer profile cylinder will not fit.
This 16 mm bore unit features a 5 mm stroke and a built-in piston magnet for position sensing. Because it is pull-type, it fails safely to the extended position on air loss. A fixed NBR bumper decelerates the stroke end, requiring 0.2 to 1.0 MPa operating pressure to function correctly.
Airtac STA Single Acting Compact Guided Cylinder STA16X5S Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA16X5S |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø16 mm |
| Stroke | 5 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 STA16X5S
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 16 | 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 STA16X5S Is Used
Clamp Retraction
Uses the 66.4 N pull to withdraw small holding clamps in machining fixtures when air is applied.
Gate Release
Pulls a diverter gate inward to release parts down a line, letting the spring push it back to block flow.
Film Tensioning
Draws back a tensioning arm on packaging equipment, maintaining steady pull before spring return.
Is the Airtac STA Single Acting Compact Guided Cylinder STA16X5S the Right Cylinder?
When sizing this model, consider the neighboring bores: stepping down to the STA12 provides 32.4 N at 0.5 MPa, while stepping up to the STA20 offers 108.9 N. The 66.4 N figure at 0.5 MPa yields a safe working load of roughly 40 N, or a vertical lift of about 3.4 kg with a 2:1 margin.
Remember the 30 mm stroke ceiling for this series. The spring-extend behavior means it will not hold a mid-stroke load without live air pressure. This specific configuration includes the S option for a built-in magnet compatible with reed or electronic switches, a 6 mm rod, and an M5x0.8 port.
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 STA16X5S FAQ
This cylinder provides a net pull of 66.4 N at 0.5 MPa and 101 N at 0.7 MPa. These figures already account for the internal return spring force.
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 built-in magnet works with reed or electronic switches.
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