Airtac SSA Single-Acting Compact Cylinder SSA32X20
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA32X20 is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø32mm bore and 20mm 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
- Stroke20 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 SSA32X20
The AirTAC SSA32X20 is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. It generates 346.6 N of net push at 0.5 MPa, meaning the return spring force is already subtracted to give you a real design figure. The short riveted body saves axial mounting depth where a longer profile cylinder will not fit.
Because only one air line and one solenoid port drive the motion, plumbing is simplified and valve costs drop. A fixed NBR bumper decelerates the stroke end; it is not an adjustable air cushion. This specific SKU lacks a piston magnet, so it cannot take a magnetic switch unless you specify the -S variant for reed or electronic sensing.
Airtac SSA Single-Acting Compact Cylinder SSA32X20 Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA32X20 |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø32 mm |
| Stroke | 20 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 SSA32X20
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×20 | 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 SSA32X20 Is Used
Stamping Pin Ejection
Uses the 346.6 N net push to eject small stamped pins from a die, relying on the spring return to reset instantly for the next cycle.
Package Lane Diverting
Extends 20mm to push lightweight cartons into a sorting lane, saving axial depth in crowded conveyor transfer zones.
Pallet Component Clamping
Applies a safe holding force of roughly 208 N to secure parts during palletization, releasing automatically when air pressure drops.
Is the Airtac SSA Single-Acting Compact Cylinder SSA32X20 the Right Cylinder?
When sizing this model, compare it both ways: stepping down to the SSA25 yields 216.9 N net push at 0.5 MPa, while stepping up to the SSA40 provides 545.6 N. A safe working load is roughly 208 N (about 60 percent of the 0.5 MPa figure), allowing a vertical lift of approximately 17.7 kg with a 2:1 margin.
This 32mm bore uses a PT1/8 port, a 12mm rod, and a female M6x1.0 rod-end thread. The 20mm stroke is well within the 30mm series ceiling. Remember the spring-return behavior: on air loss the spring drives the rod back to rest, so it cannot hold a mid-stroke load without external 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 SSA32X20 FAQ
The SSA32X20 provides 346.6 N of net push at 0.5 MPa and 507.5 N at 0.7 MPa. These figures already account for the internal return spring resistance.
No. As a single-acting push cylinder, it requires at least 0.2 MPa to overcome the spring. If air is lost, the spring drives the rod back to its retracted rest position and cannot hold a mid-stroke load.
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