Airtac SDA Ultra Thin Cylinder SDA80X25
The AirTAC Airtac SDA Ultra Thin Cylinder SDA80X25 is a genuine double-acting COMPACT (thin) air cylinder with a Ø80mm bore and 25mm stroke, PT3/8 air ports and a riveted short body that saves mounting depth. Sensor slots around the body accept magnetic switches for position sensing.
- BoreØ80 mm
- Stroke25 mm
- Port sizePT3/8
- Acting typeDouble acting
- Rod threadM14×1.5 (F) / M22×1.5 (B)
- CushionFixed NBR bumper (both ends)
About the Airtac SDA Ultra Thin Cylinder SDA80X25
The AirTAC SDA80X25 is a double-acting single-rod compact cylinder engineered to deliver a substantial 2513.3 N push force at 0.5 MPa. Its riveted assembly merges the barrel, rear cover, piston, and rod into a highly shortened unit, drastically reducing axial mounting depth where a conventional round-body cylinder would fail to fit.
This 80 mm bore model features a hard-anodized inner wall and a fixed NBR bumper at each end to absorb end-stop impact. Operating via PT3/8 ports, it drives a 25 mm stroke at speeds between 30-500 mm/s. Note this specific SKU lacks a piston magnet, so it cannot host magnetic sensing.
Airtac SDA Ultra Thin Cylinder SDA80X25 Technical Specifications
| Model | Airtac SDA Ultra Thin Cylinder SDA80X25 |
|---|---|
| Series | SDA compact (thin) cylinder |
| Bore size | Ø80 mm |
| Stroke | 25 mm |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod end thread | M14×1.5 female / M22×1.5 male (B) |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 500 mm/s |
| Cushion | Fixed NBR bumper (both ends) |
| Max standard stroke | Up to 120 mm |
Specifications follow the official AirTAC SDA compact-cylinder datasheet. Confirm against the product label before installation. Port thread: PT (standard). Rod: female thread (blank) / male thread (B).
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SDA Ultra Thin Cylinder SDA80X25
| SDA | Compact (thin) double-acting cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×25 | Stroke length in mm. |
| S | Built-in magnet for magnetic-switch position sensing (omit = no magnet). |
| B | Male-thread piston rod (omit = female-thread rod). |
Thread: PT standard. Related SDA-family variants: SSA (single-acting push), STA (single-acting pull), SDAD (double rod), SDAJ (adjustable stroke), SDAT (duplex), SDAW (duplex-end).
Where the Airtac SDA Ultra Thin Cylinder SDA80X25 Is Used
Injection Mold Ejection
Drives short-stroke ejection pins in plastic injection molding machines, utilizing the 2513.3 N extend force to break parts free from tight tooling cavities.
Heavy Press Brake Gauging
Positions back-gauge fingers on heavy sheet metal press brakes where a shortened body profile prevents collision with descending upper tooling.
Palletizer Lift Stops
Acts as a robust mechanical stop in automated palletizing cells, halting heavy inbound loads using the 25 mm stroke before transfer to the stacking zone.
Is the Airtac SDA Ultra Thin Cylinder SDA80X25 the Right Cylinder?
When sizing this actuator, evaluate your force requirements carefully. Stepping down, the SDA63 provides 1558.6 N of push at 0.5 MPa, whereas stepping up to the SDA100 yields 3927 N at the same pressure. Based on the 2513.3 N output, the safe working load is approximately 1508 N (60% capacity), translating to a vertical lift capability of about 128.1 kg with a 2:1 safety margin.
Remember that a standard double-acting cylinder drifts when air pressure is lost or the valve centers; the fixed bumper only decelerates the piston near the stroke end and does not function as a locking brake. To suspend a load safely without live pressure, incorporate an external rod lock or a pilot-operated check valve. Ensure your order specifies the 80 mm bore, 25 mm stroke, female M14x1.5 rod thread, and PT3/8 porting.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Short-body depth vs. a round-body cylinder
- ✓ Port/thread type (PT)
- ✓ Magnet (S) for sensors?
- ✓ Female (blank) or male (B) rod thread
- ✓ Side load — avoid on a compact rod
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the short piston rod.
- check Very long strokes are unsuitable for the compact body.
- check Front/rear covers are riveted — do not dismantle.
- check Installation by qualified personnel per AirTAC docs.
Airtac SDA Ultra Thin Cylinder SDA80X25 FAQ
This double-acting 80 mm bore cylinder generates 2513.3 N push and 2267.8 N pull at 0.5 MPa. At 0.7 MPa, push increases to 3518.6 N. The theoretical maximum push force is 513 kgf at the 1.0 MPa pressure limit.
No. This cylinder relies on a fixed NBR bumper to decelerate the stroke end, not an adjustable air cushion; high-energy cycles may need external shock absorbers. Additionally, this SKU lacks the -S magnet option, meaning it cannot support reed or electronic switches.
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