Airtac SSA Single-Acting Compact Cylinder SSA25X10SB
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA25X10SB is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø25mm bore and 10mm 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.
- BoreØ25 mm
- Stroke10 mm
- Port sizeM5×0.8
- Acting typeSingle acting, push type
- Rod threadM5×0.8 (F) / M8×1.25 (B)
- CushionFixed NBR bumper
About the Airtac SSA Single-Acting Compact Cylinder SSA25X10SB
The AirTAC SSA25X10SB is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. It delivers 216.9 N of net push force at 0.5 MPa, making it suitable for short-stroke clamping and ejection tasks.
This model includes a built-in piston magnet for position sensing and a male M8x1.25 threaded rod end. The short riveted body minimizes axial mounting depth in tight fixtures, and a fixed NBR bumper absorbs end-of-stroke shock without requiring adjustable cushions.
Airtac SSA Single-Acting Compact Cylinder SSA25X10SB Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA25X10SB |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø25 mm |
| Stroke | 10 mm |
| Acting type | Single acting, push type |
| Port size | M5×0.8 |
| Rod end thread | M5×0.8 female / M8×1.25 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 (Ø25mm, Push)
| Pressure | Push force (net) |
|---|---|
| 0.5 MPa | 217 N |
| 0.7 MPa | 315 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 SSA25X10SB
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 25 | Bore size in mm. |
| ×10 | 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 SSA25X10SB Is Used
Stamping Pin Ejection
Uses the 216.9 N net push at 0.5 MPa to eject small stamped pins from a die, relying on the internal spring to retract the rod quickly between cycles.
Package Lane Diversion
The short 10 mm stroke actuates a diverter gate to sort lightweight cartons on a conveyor, fitting into the narrow frame clearance.
Pallet Component Clamping
Applies holding pressure against a workpiece during pallet assembly, with the male M8x1.25 rod threading directly into the clamp jaw.
Is the Airtac SSA Single-Acting Compact Cylinder SSA25X10SB the Right Cylinder?
When sizing this 25 mm bore actuator, consider the neighboring bores: the SSA20 provides 134.1 N at 0.5 MPa, while the SSA32 offers 346.6 N. The 216.9 N output at 0.5 MPa supports a safe working load of roughly 130 N or a vertical lift of about 11.1 kg with a 2:1 margin. Standard strokes max out at 30 mm; this 10 mm stroke fits well within limits.
This configuration includes the -S magnet for AirTAC reed or electronic switches and the -B option for a male M8x1.25 rod thread. The port size is M5x0.8. Remember that the spring drives retraction upon air loss, so the cylinder cannot hold a mid-stroke load without external locking devices.
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 SSA25X10SB FAQ
The net push force is 216.9 N at 0.5 MPa and 315.1 N at 0.7 MPa. These figures already account for the force subtracted by the internal return spring.
No. It requires at least 0.2 MPa to overcome the spring and extend. If air is released, the spring drives the rod back to its retracted rest position. It cannot hold a mid-stroke load without an external rod lock.
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