Airtac STA Single Acting Compact Guided Cylinder STA16X30SB
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA16X30SB is a genuine single-acting COMPACT cylinder (single acting, pull type) with a Ø16mm bore and 30mm 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
- Stroke30 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 STA16X30SB
The AirTAC STA16X30SB is a compact single-acting pull-type cylinder where air retracts the rod and an internal spring extends it back out. It provides 66.4 N of net pull at 0.5 MPa and 101 N at 0.7 MPa. Because the spring handles the extension stroke, you only need one M5x0.8 air line to operate it.
This model uses a short riveted body to save axial mounting depth where standard cylinders will not fit. It includes a built-in piston magnet for position sensing and a male M5x0.8 threaded rod end. A fixed NBR bumper decelerates the stroke ends, operating effectively between 50 and 500 mm/s.
Airtac STA Single Acting Compact Guided Cylinder STA16X30SB Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA16X30SB |
|---|---|
| Series | STA compact single-acting cylinder |
| Bore size | Ø16 mm |
| Stroke | 30 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 STA16X30SB
| STA | Compact single acting, pull type cylinder series. |
|---|---|
| 16 | Bore size in mm. |
| ×30 | 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 STA16X30SB Is Used
Clamp Retraction
Uses the 66.4 N pull to retract a holding clamp, letting the internal spring push it back into the open position for part loading.
Diverter Gate Pull
Pulls a sorting gate closed against conveyor flow, relying on the spring to snap it back open when air is released.
Film Tensioning
Draws a packaging film roller back to maintain tension, with the spring ensuring a fail-safe return if air pressure drops.
Is the Airtac STA Single Acting Compact Guided Cylinder STA16X30SB the Right Cylinder?
When sizing this 16 mm bore, note the STA12 yields 32.4 N while the STA20 reaches 108.9 N, both at 0.5 MPa. This STA16X30SB provides a middle ground with a safe working load around 40 N, or a vertical lift capacity of roughly 3.4 kg with a 2:1 safety margin. The 30 mm stroke is the maximum standard length for this series.
Confirm the bore, 30 mm stroke, M5x0.8 port, and the male M5x0.8 rod thread. The -S magnet supports AirTAC reed or electronic switches. Remember that the spring drives the rod to the extended position on air loss, so it cannot hold a mid-stroke load without an external 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 STA16X30SB FAQ
The net pull force is 66.4 N at 0.5 MPa and 101 N at 0.7 MPa. These figures already account for the internal return spring resistance.
Air pressure retracts the rod, requiring at least 0.2 MPa to overcome the spring. When air is released, the spring extends the rod back out to its rest position.
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