Airtac SSA Single-Acting Compact Cylinder SSA50X15H
The AirTAC Airtac SSA Single-Acting Compact Cylinder SSA50X15H is a genuine single-acting COMPACT cylinder (single acting, push type) with a Ø50mm bore and 15mm 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.
- BoreØ50 mm
- Stroke15 mm
- Port sizePT1/4
- Acting typeSingle acting, push type
- Rod threadM10×1.5 (F) / M18×1.5 (B)
- CushionFixed NBR bumper
About the Airtac SSA Single-Acting Compact Cylinder SSA50X15H
The AirTAC SSA50X15H is a compact single-acting push-type cylinder where air pressure extends the rod and an internal spring retracts it. Utilizing a 50 mm bore, it generates 874.7 N of net push force at 0.5 MPa. This specific H variant incorporates fluororubber (FKM) seals, offering enhanced resistance to higher temperatures and oily environments compared to standard NBR.
Designed to save axial mounting depth, the short riveted body fits easily into crowded fixtures. The quoted force is already net of the return spring, providing a reliable design figure rather than raw air pressure. It requires only a single air line and solenoid port to drive the motion, simplifying plumbing while the spring manages the return.
Airtac SSA Single-Acting Compact Cylinder SSA50X15H Technical Specifications
| Model | Airtac SSA Single-Acting Compact Cylinder SSA50X15H |
|---|---|
| Series | SSA compact single-acting cylinder |
| Bore size | Ø50 mm |
| Stroke | 15 mm |
| Acting type | Single acting, push type |
| Port size | PT1/4 |
| Rod end thread | M10×1.5 female / M18×1.5 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 (Ø50mm, Push)
| Pressure | Push force (net) |
|---|---|
| 0.5 MPa | 875 N |
| 0.7 MPa | 1267 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 SSA50X15H
| SSA | Compact single acting, push type cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×15 | 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 SSA50X15H Is Used
Hot Stamp Ejection
Deploys 874.7 N of net push to eject formed parts from heated hot-stamping dies, leveraging the FKM seals to withstand ambient radiant heat.
Pallet Flap Folding
Uses the 15 mm stroke to tuck cardboard flaps on automated packaging lines, where the single air line minimizes pneumatic complexity.
Oily Environment Clamping
Secures heavy machined castings during secondary milling operations, relying on the fluororubber seal to survive exposure to cutting fluids.
Is the Airtac SSA Single-Acting Compact Cylinder SSA50X15H the Right Cylinder?
When sizing this model, consider the neighboring bores: stepping down to the SSA40 yields 545.6 N of net push at 0.5 MPa, while stepping up to the SSA63 provides 1382.6 N at the same pressure. This SSA50X15H configuration includes a 50 mm bore, a 15 mm stroke (well within the 30 mm maximum standard stroke), a PT1/4 port, and a female M10x1.5 rod-end thread.
Because it is single-acting, the internal spring drives the rod back to rest upon air loss, meaning it cannot hold a mid-stroke load without live pressure. For a safe working load, expect approximately 525 N (about 60% of the 874.7 N figure), or a vertical lift capacity of roughly 44.6 kg with a 2:1 safety margin. This SKU lacks the S magnet code, so it cannot accept magnetic switches without upgrading to the -S variant.
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 SSA50X15H FAQ
The net push force is 874.7 N at 0.5 MPa and 1267.4 N at 0.7 MPa. These figures already account for the subtraction of the internal return spring force.
No, it is a single-acting push cylinder that requires at least 0.2 MPa to overcome the spring. When air is released, the spring drives the rod back to its retracted rest position, so it cannot hold a mid-stroke load without live pressure.
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