Airtac SSA Single-Acting Compact Cylinder SSA20X10S
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA20X10S is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø20mm 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.
- BoreØ20 mm
- Stroke10 mm
- Port sizeM5×0.8
- Acting typeSingle acting, push type
- Rod threadM4×0.7 (F) / M6×1.0 (B)
- CushionFixed NBR bumper
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SSA Single-Acting Compact Cylinder SSA20X10S
The AirTAC SSA20X10S is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. It provides 134.1 N of net push at 0.5 MPa, yielding a safe working load of roughly 80 N or a 6.8 kg vertical lift with a 2:1 margin. The quoted force is already net of the return spring, giving a real design figure rather than raw air pressure.
Featuring a built-in piston magnet, this unit supports AirTAC reed or electronic solid-state switches for position sensing. Its short riveted body saves axial mounting depth where round-body cylinders cannot fit, and a fixed NBR bumper absorbs end-of-stroke shock without requiring adjustable cushions.
Airtac SSA Single-Acting Compact Cylinder SSA20X10S Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA20X10S |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø20 mm |
| Stroke | 10 mm |
| Acting type | Single acting, push type |
| Port size | M5×0.8 |
| Rod end thread | M4×0.7 female / M6×1.0 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 (Ø20mm, Push)
| Pressure | Push force (net) |
|---|---|
| 0.5 MPa | 134 N |
| 0.7 MPa | 197 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 SSA20X10S
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 20 | 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 SSA20X10S Is Used
Short-Stroke Part Clamping
Applies the 134.1 N net push to secure light metal workpieces in a machining fixture, releasing instantly via spring return when air pressure drops.
Diversion Gate Actuation
Extends a 10 mm stroke to flick small packages on a packaging line, relying on the compact riveted body to fit within tight conveyor side frames.
Ejector for Stamped Pins
Pushes finished pins out of a die using a single M5x0.8 air line, simplifying valve requirements while the fixed NBR bumper handles the impact.
Is the Airtac SSA Single-Acting Compact Cylinder SSA20X10S the Right Cylinder?
When sizing this 20 mm bore, stepping down to the SSA16 yields 80.5 N at 0.5 MPa, while stepping up to the SSA25 provides 216.9 N. This SSA20X10S configuration includes a 10 mm stroke, an M5x0.8 port, a female M4x0.7 rod-end thread, and the -S magnet option. The standard stroke ceiling is 30 mm.
Operating pressure spans 0.2 to 1.0 MPa, requiring at least 0.2 MPa to overcome the internal spring. Because the spring drives retraction on air loss, the cylinder cannot hold a mid-stroke load; use a double-acting SDA with an external rod lock if position holding is required.
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 SSA20X10S FAQ
This single-acting push cylinder provides a net push force of 134.1 N at 0.5 MPa and 196.9 N at 0.7 MPa. These figures already account for the internal return spring resistance.
No. On air loss, the internal spring drives the rod back to its retracted rest position. It cannot hold a mid-stroke load, and you must maintain at least 0.2 MPa to overcome the spring during operation.
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Standard models are processed and dispatched in 3-5 business days.
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