Airtac SC100 Standard Cylinder SC100X70
The AirTAC Airtac SC100 Standard Cylinder SC100X70 is a genuine double-acting standard air cylinder with a Ø100mm bore and 70mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ100 mm
- Stroke70 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SC100 Standard Cylinder SC100X70
The SC100X70 is a double-acting tie-rod cylinder delivering 3927 N of push force at 0.5 MPa and up to 7068 N at 0.9 MPa. Its 70 mm stroke suits compact clamping, pressing, and short-transfer tasks where high force is needed in a limited linear envelope.
This model uses a 25 mm diameter piston rod with M20x1.5 threads and PT1/2 ports. The body length A is 188 mm, giving a total extended length of approximately 258 mm. Adjustable pneumatic cushioning at both ends decelerates the piston smoothly across the 29 mm cushion zone.
Airtac SC100 Standard Cylinder SC100X70 Technical Specifications
| Model | Airtac SC100 Standard Cylinder SC100X70 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 70 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 SC100X70
| SC | Standard tie-rod cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×70 | 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 SC100X70 Is Used
Heavy-Duty Clamping
Generates 3927 N at 0.5 MPa to securely hold large weldments or castings during machining and assembly operations.
Short-Stroke Press Fits
The 70 mm stroke and 7068 N peak force (at 0.9 MPa) are ideal for pressing bearings or bushings into housings on a benchtop fixture.
Product Diverting
Quickly extends to divert heavy packages or pallets on a conveyor line, with adjustable cushioning to reduce impact and noise.
Is the Airtac SC100 Standard Cylinder SC100X70 the Right Cylinder?
For applications needing more force than the 2513 N (at 0.5 MPa) of the 80 mm bore, stepping up to this 100 mm bore provides a 56% thrust increase. If your stroke exceeds 300 mm, consider an external guide or a guided cylinder to protect the 25 mm rod from bending under side loads.
To ensure a correct replacement, match five points: 100 mm bore, 70 mm stroke, PT1/2 port thread, basic (no bracket) mounting, and the absence of a built-in magnet. This cylinder is not an ISO 15552 profile; it is a tie-rod design and is dimensionally interchangeable only with another AirTAC SC100 tie-rod cylinder 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 SC100X70 FAQ
At 0.5 MPa, the push force is 3927 N and the pull force is 3681 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 7068 N. The theoretical maximum at 1.0 MPa is 801 kgf.
No. The SC100X70 is a double-acting cylinder and will not hold its position if air pressure is lost or the valve is centered. The adjustable air cushion only decelerates the piston at stroke end; it is not a locking device. For load holding, you must add an external rod brake or a pilot-operated check valve.
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