Airtac STA Single Acting Compact Guided Cylinder STA16X30
The AirTAC Airtac STA Single Acting Compact Guided Cylinder STA16X30 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 STA16X30
The AirTAC STA16X30 is a compact single-acting pull-type cylinder where compressed air retracts the 6 mm rod and an internal spring extends 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 unit uses a short riveted body to save axial mounting depth where round-body cylinders will not fit. It features a fixed NBR bumper to decelerate the stroke end and operates at 50-500 mm/s. Because this SKU lacks the -S magnet code, it cannot accept reed or electronic switches.
Airtac STA Single Acting Compact Guided Cylinder STA16X30 Technical Specifications
| Model | Airtac STA Single Acting Compact Guided Cylinder STA16X30 |
|---|---|
| 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 STA16X30
| 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 STA16X30 Is Used
Tension Return Mechanism
Pulls a tensioning pulley inboard with 66.4 N of net force, letting the internal spring push it back out to release the belt when air is removed.
Normally-Open Gate Latch
Uses the 30 mm stroke to retract a latch pin and close a small access door, with the spring automatically extending the pin to secure it open at rest.
Film Clamp Release
Draws a clamping jaw back against the spring to drop packaging film, providing a fail-safe extended position if the pneumatic supply drops out.
Is the Airtac STA Single Acting Compact Guided Cylinder STA16X30 the Right Cylinder?
When sizing this 16 mm bore unit, note the STA12 provides 32.4 N at 0.5 MPa, while the STA20 offers 108.9 N. This model sits perfectly between them for medium-duty tensioning. The 30 mm stroke is the maximum standard length for the STA family.
Air pressure must be at least 0.2 MPa to overcome the return spring. Remember that the spring drives the rod out upon air loss, so it will not hold a mid-stroke load without an external lock. This configuration uses an M5x0.8 port, a female M3x0.5 rod-end thread, and no piston magnet.
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 STA16X30 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, so air only pulls the rod inward.
The air pressure must overcome the opposing force of the internal spring to retract the rod. Below 0.2 MPa, the spring will keep the rod fully extended.
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