Airtac SSA Single-Acting Compact Cylinder SSA32X25S
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA32X25S is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø32mm bore and 25mm 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.
- BoreØ32 mm
- Stroke25 mm
- Port sizePT1/8
- Acting typeSingle acting, push type
- Rod threadM6×1.0 (F) / M10×1.25 (B)
- CushionFixed NBR bumper
About the Airtac SSA Single-Acting Compact Cylinder SSA32X25S
The AirTAC SSA32X25S is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. It provides 346.6 N of net push at 0.5 MPa and 507.5 N at 0.7 MPa. Because the return spring force is already subtracted, you can size directly to these real-world output figures.
This unit features a built-in piston magnet for AirTAC reed or electronic switches. Its short riveted body minimizes axial mounting depth in tight fixtures, and a fixed NBR bumper absorbs end-of-stroke shock without requiring adjustable cushioning.
Airtac SSA Single-Acting Compact Cylinder SSA32X25S Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA32X25S |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø32 mm |
| Stroke | 25 mm |
| Acting type | Single acting, push type |
| Port size | PT1/8 |
| Rod end thread | M6×1.0 female / M10×1.25 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 (Ø32mm, Push)
| Pressure | Push force (net) |
|---|---|
| 0.5 MPa | 347 N |
| 0.7 MPa | 508 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 SSA32X25S
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×25 | 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 SSA32X25S Is Used
Stamping Pin Ejection
Uses the 346.6 N net extension force to push formed pins out of a die, with the internal spring retracting the rod instantly when air is cut.
Packaging Lane Diversion
Extends 25 mm to deflect cartons on a conveyor, relying on the compact riveted body to fit within narrow transfer frame clearances.
Pallet Component Clamping
Applies short-stroke holding pressure against pallet blocks during wrapping, safely operating at speeds between 50 and 500 mm/s.
Is the Airtac SSA Single-Acting Compact Cylinder SSA32X25S the Right Cylinder?
This 32 mm bore generates 346.6 N net push at 0.5 MPa, sitting between the SSA25 at 216.9 N and the SSA40 at 545.6 N. A practical safe working load is roughly 208 N, allowing a vertical lift of about 17.7 kg with a 2:1 safety margin. The 25 mm stroke is well under the 30 mm series ceiling.
If air pressure drops below 0.2 MPa the unit cannot overcome the spring, and releasing air drops the load to rest rather than holding mid-stroke. This SSA32X25S configuration includes the S magnet code, a 12 mm rod, a female M6x1.0 rod-end thread, and a PT1/8 port.
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 SSA32X25S FAQ
The net push force is 346.6 N at 0.5 MPa and 507.5 N at 0.7 MPa. These figures already account for the internal return spring resistance.
No. When air is released, the internal spring drives the rod back to its retracted rest position. It cannot hold a mid-stroke load, and it requires a minimum of 0.2 MPa to overcome the spring for extension.
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