Airtac SSA Single-Acting Compact Cylinder SSA32X20N
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA32X20N 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 SSA32X20N
The AirTAC SSA32X20N 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 force at 0.5 MPa, meaning the return spring's resistance is already subtracted from the raw air force. This 32 mm bore actuator uses a 12 mm rod and a PT1/8 port.
Its short riveted body minimizes axial mounting depth in crowded machinery. Because it requires just one air line and one solenoid port to drive the motion, plumbing is simplified and fitting costs drop. A fixed NBR bumper handles end-of-stroke deceleration, though it is not an adjustable air cushion. This specific SKU lacks a piston magnet, so it cannot support position sensing without switching to the -S variant.
Airtac SSA Single-Acting Compact Cylinder SSA32X20N Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA32X20N |
|---|---|
| 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 SSA32X20N
| 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 SSA32X20N Is Used
Stamping Ejector
Uses the 346.6 N net push to eject formed metal parts from a die before the press clears.
Package Diverter
Extends 20 mm to push cartons off a main belt, relying on the internal spring to retract clear of traffic.
Component Clamping
Holds housings steady for machining, taking advantage of the short riveted body to fit dense tooling layouts.
Is the Airtac SSA Single-Acting Compact Cylinder SSA32X20N the Right Cylinder?
When sizing this model, compare its 346.6 N net push at 0.5 MPa against adjacent bores. Stepping down to the SSA25 yields 216.9 N, while stepping up to the SSA40 provides 545.6 N. A practical safe working load is roughly 208 N, which allows a 2:1 safety margin and a vertical lift capacity of about 17.7 kg.
This configuration features a 20 mm stroke, well under the 30 mm series ceiling. Remember that the spring drives the rod back to rest upon air loss, so the unit cannot hold a mid-stroke load without external devices. The rod end has a female M6x1.0 thread, operating speed spans 50-500 mm/s, and operating pressure must be at least 0.2 MPa to overcome the internal spring.
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 SSA32X20N FAQ
This model delivers a net push force of 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. The internal spring drives the rod to its retracted rest position when air is released. It cannot hold a mid-stroke load, and you must supply at least 0.2 MPa of pressure to overcome the spring for extension.
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