Airtac STA Single Acting Compact Guided Cylinder STA16X5
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA16X5 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 STA16X5
The AirTAC STA16X5 is a compact single-acting pull-type cylinder where air retracts the rod and an internal spring pushes it back out. It delivers 66.4 N of net pull at 0.5 MPa, safely handling a working load of roughly 40 N or a 3.4 kg vertical lift with a 2:1 margin. This 5 mm stroke unit is normally extended at rest and fails safe to that outward position upon air loss.
Its short riveted body saves axial mounting depth where round-body or profile cylinders will not fit. The bore sets the port to M5x0.8 and the rod to Ø6 mm with a female M3x0.5 thread. End-of-stroke deceleration relies on a fixed NBR bumper, not an adjustable air cushion.
Airtac STA Single Acting Compact Guided Cylinder STA16X5 Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA16X5 |
|---|---|
| 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 STA16X5
| 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 STA16X5 Is Used
Clamp Retraction
Uses the 66.4 N pull to retract a small holding clamp, letting the internal spring passively extend it to grip parts when air stops.
Gate Return
Employs the 5 mm stroke to pull a diverter gate closed against a stop, with the spring pushing it open during an air loss event.
Film Tensioning
Maintains steady tension on packaging film by pulling a 3.4 kg guide roller back against the material tension.
Is the Airtac STA Single Acting Compact Guided Cylinder STA16X5 the Right Cylinder?
Sizing this model against its neighbors shows a clear step: the STA12 provides 32.4 N at 0.5 MPa, while the larger STA20 jumps to 108.9 N. The STA16X5 sits comfortably in the middle at 66.4 N, making it the right choice for moderate tensioning tasks. Keep the 30 mm maximum standard stroke ceiling in mind for longer travels.
Because the spring drives the rod out when air is removed, this cylinder cannot hold a mid-stroke load without live pressure. This specific SKU lacks the -S magnet, so it cannot accept reed or electronic switches. Confirm your requirements for the 16 mm bore, 5 mm stroke, M5x0.8 port, and female M3x0.5 rod thread.
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 STA16X5 FAQ
The net pull force is 66.4 N at 0.5 MPa and 101 N at 0.7 MPa. It requires an operating pressure of 0.2-1.0 MPa, needing at least 0.2 MPa to overcome the internal return spring.
No, this specific SKU does not include the -S piston magnet, so it cannot accept reed or electronic switches. You would need the STA16X5S variant for position sensing.
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