Airtac SC100 Standard Cylinder SC100X125FA
The AirTAC Airtac SC100 Standard Cylinder SC100X125FA is a genuine double-acting standard air cylinder with a Ø100mm bore and 125mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ100 mm
- Stroke125 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SC100 Standard Cylinder SC100X125FA
The AirTAC SC100X125FA is a double-acting tie-rod cylinder with a 100 mm bore and a 125 mm stroke, supplied with a front rectangular flange (FA) for rigid panel mounting. At 0.5 MPa it generates 3927 N of push force and 3681 N on the pull stroke, making it a strong actuator for medium-to-heavy linear tasks.
This model uses a 25 mm diameter piston rod with an M20x1.5 male rod thread and PT1/2 ports. The adjustable air cushion at each end (29 mm cushion length) decelerates the piston smoothly, and the body length A is 188 mm, giving a compact installed envelope for its force class.
Airtac SC100 Standard Cylinder SC100X125FA Technical Specifications
| Model | Airtac SC100 Standard Cylinder SC100X125FA |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M20×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 29 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SC series datasheet. Operating pressure 0.15–1.0 MPa, proof pressure 1.5 MPa, temperature −20 to +70 °C. Confirm against the product label before installation. Thread options: PT (standard) / G.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (approx.) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC100 Standard Cylinder SC100X125FA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×125 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related variants: SCD (double rod), SCJ (adjustable stroke), SCT (multi-position). Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
Where the Airtac SC100 Standard Cylinder SC100X125FA Is Used
Press & Clamp Fixtures
The 3927 N push force at 0.5 MPa suits pneumatic toggle clamps, holding fixtures, and light stamping presses where the front flange simplifies mounting to a vertical tooling plate.
Product Gate & Diverter
Actuates a gate or diverter arm on a conveyor line. The 125 mm stroke provides enough travel to block or redirect medium-sized packages, and the adjustable cushion reduces end-of-stroke shock.
Material Lift & Tilt Table
Powers the tilt axis of a small dump hopper or lift table. The front-flange mounting lets the cylinder pivot slightly if paired with a rod-end clevis, while the 100 mm bore handles off-centre loads confidently.
Is the Airtac SC100 Standard Cylinder SC100X125FA the Right Cylinder?
Choose the SC100 bore when your application needs roughly 4000 N at standard shop air; stepping down to the SC80 bore provides 2513 N push at 0.5 MPa if your load is lighter. The FA front flange (accessory F-SC100FA) bolts directly to a machine panel or end plate, keeping the cylinder body cantilevered — ensure the mounting surface is flat and stiff to avoid rod misalignment. For strokes above 300 mm on this bore, consider an external guide or a guided cylinder to protect the 25 mm rod from bending under side load.
To replace an existing SC100X125FA, match five points: 100 mm bore, 125 mm stroke, PT1/2 ports, FA front flange mounting, and no magnet. The SC is a tie-rod cylinder, shorter than an ISO 15552 profile, so dimensional interchangeability is limited to another AirTAC SC100 of the same configuration.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
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 piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SC100 Standard Cylinder SC100X125FA FAQ
At 0.5 MPa (≈73 psi) the cylinder delivers 3927 N push and 3681 N pull. At the maximum operating pressure of 0.9 MPa, push force reaches 7068 N. The theoretical maximum at 1.0 MPa is 801 kgf (7850 N), but the cylinder is rated for 0.15–1.0 MPa operation.
The FA front flange is integral to this part number. If you need a basic cylinder without a flange, order SC100X125. Other mounting styles (LB foot, CB rear clevis, TC centre trunnion) are available under different suffix codes. Always verify the port thread (PT) and lack of magnet when cross-referencing.
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