Airtac SSA Single-Acting Compact Cylinder SSA32X25
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA32X25 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 SSA32X25
The AirTAC SSA32X25 is a compact single-acting push-type cylinder where air pressure extends the rod and an internal mechanical spring retracts it. It provides a net push force of 346.6 N at 0.5 MPa, meaning the return spring resistance is already subtracted from the raw pneumatic force. This yields a safe working load of roughly 208 N, or a vertical lift capacity of about 17.7 kg when applying a 2:1 safety margin.
Designed with a short riveted body, this unit saves axial mounting depth in crowded fixtures where standard profile cylinders will not fit. It requires only one air line and one solenoid port to drive the motion, cutting fitting complexity. End-of-stroke deceleration is handled by a fixed NBR bumper, which absorbs shock but is not an adjustable air cushion.
Airtac SSA Single-Acting Compact Cylinder SSA32X25 Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA32X25 |
|---|---|
| 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 SSA32X25
| 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 SSA32X25 Is Used
Fixture Clamping
Applies 346.6 N of net clamping thrust at 0.5 MPa to secure aluminum housings during CNC machining, releasing automatically via spring return when air is cut.
Part Diverter
Pushes lightweight cartons off a packaging line using a 25mm stroke, relying on the single air line for extension to simplify valve requirements.
Ejector Station
Ejects molded plastic parts from tight press cavities, utilizing the compact riveted body to fit within restricted axial mounting envelopes.
Is the Airtac SSA Single-Acting Compact Cylinder SSA32X25 the Right Cylinder?
When sizing this 32mm bore model, stepping down to the SSA25 yields 216.9 N of net push at 0.5 MPa, while stepping up to the SSA40 provides 545.6 N at the same pressure. This SSA32X25 configuration features a 25mm stroke, well within the 30mm maximum standard limit for the series, and uses a PT1/8 port. It has a 12mm rod and a female M6x1.0 rod-end thread.
Because this specific SKU lacks the S magnet code, it cannot accept AirTAC reed or electronic switches for position sensing. Remember that upon air loss, the internal spring actively drives the rod back to its retracted state; the cylinder cannot hold a mid-stroke load without live pressure or an external locking device.
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 SSA32X25 FAQ
This model generates 346.6 N of net push force at 0.5 MPa and 507.5 N at 0.7 MPa. These figures already account for the internal return spring resistance, giving you the true usable output for your design calculations.
No, the SSA32X25 is a spring-return cylinder that requires a minimum of 0.2 MPa to overcome the spring. If air is lost, the spring forces the rod back to its retracted position; it cannot hold a mid-stroke load without an external rod lock.
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