Airtac SSA Single-Acting Compact Cylinder SSA12X15SB
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA12X15SB is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø12mm bore and 15mm stroke. Air pushes 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.
- BoreØ12 mm
- Stroke15 mm
- Port sizeM5×0.8
- Acting typeSingle acting, push type
- Rod threadM3×0.5 (F) / M5×0.8 (B)
- CushionFixed NBR bumper
About the Airtac SSA Single-Acting Compact Cylinder SSA12X15SB
The AirTAC SSA12X15SB is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. It delivers 46.5 N of net push at 0.5 MPa, making it ideal for light-duty positioning. The short riveted body saves axial mounting depth where a round-body cylinder will not fit.
This configuration includes a built-in piston magnet for AirTAC reed or electronic switches and a male M5x0.8 piston rod thread. The quoted force is already net of the return spring, providing a real design figure rather than raw air pressure. A fixed NBR bumper decelerates the stroke end, though it is not an adjustable air cushion.
Airtac SSA Single-Acting Compact Cylinder SSA12X15SB Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA12X15SB |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø12 mm |
| Stroke | 15 mm |
| Acting type | Single acting, push 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 (Ø12mm, Push)
| Pressure | Push force (net) |
|---|---|
| 0.5 MPa | 47 N |
| 0.7 MPa | 69 N |
These are NET output forces — the return-spring force is already deducted. Single-acting push only; the spring performs the opposite stroke. Size with a safety margin.
Model Code: Airtac SSA Single-Acting Compact Cylinder SSA12X15SB
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 12 | 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 SSA Single-Acting Compact Cylinder SSA12X15SB Is Used
Small Part Ejection
Uses the 46.5 N net push to eject small molded components from a fixture before the next cycle begins.
Light Duty Clamping
Secures thin material sheets during a cutting process, relying on the male M5x0.8 rod thread for custom fittings.
Lab Test Positioning
Moves a sensor probe into place with a 2.4 kg vertical lift capacity, saving axial depth in crowded test rigs.
Is the Airtac SSA Single-Acting Compact Cylinder SSA12X15SB the Right Cylinder?
When sizing this model, consider the neighboring bore: the SSA16 provides 80.5 N of net push at 0.5 MPa if you need more force. The SSA12X15SB requires a minimum operating pressure of 0.2 MPa to overcome the spring, with a maximum of 1.0 MPa. The standard stroke ceiling is 30 mm.
Confirm the 12 mm bore, 15 mm stroke, M5x0.8 port, built-in magnet (S), and male M5x0.8 rod thread (B). With a safe working load of roughly 28 N (about 60% of the 46.5 N figure), it can manage a vertical lift of approximately 2.4 kg with a 2:1 margin. Remember that the spring drives the rod back on air loss; it does not hold a mid-stroke load.
Quick checklist
- ✓ Net push 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 SSA Single-Acting Compact Cylinder SSA12X15SB FAQ
The net push force is 46.5 N at 0.5 MPa and 69.2 N at 0.7 MPa. These figures already account for the internal return spring resistance.
Air pressure extends the rod, while the internal spring retracts it upon air release. The built-in -S magnet works with AirTAC reed or electronic switches for position sensing, and the system needs at least 0.2 MPa to overcome the spring.
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