Airtac SC100 Standard Cylinder SC100X70TC
The AirTAC Airtac SC100 Standard Cylinder SC100X70TC 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 SC100X70TC
The SC100X70TC is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 100 mm bore with a 70 mm stroke. It generates a push force of 3927 N at 0.5 MPa and reaches 7068 N at the maximum operating pressure of 0.9 MPa, making it suitable for medium-duty clamping and pressing tasks.
This model is factory-configured with a TC centre trunnion mount (supplied with the TCM1 bracket, part code F-SC100TC), allowing the cylinder body to pivot during actuation. The 25 mm diameter piston rod and PT1/2 port threads ensure robust air flow, while the 29 mm adjustable air cushion at each end decelerates the piston smoothly.
Airtac SC100 Standard Cylinder SC100X70TC Technical Specifications
| Model | Airtac SC100 Standard Cylinder SC100X70TC |
|---|---|
| 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 SC100X70TC
| 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 SC100X70TC Is Used
Pivoting Conveyor Diverter
The centre trunnion mount lets the cylinder pivot as it extends, perfect for actuating a diverter gate on a packaging conveyor line with a 70 mm throw.
Welding Fixture Clamp
Delivers a strong 3927 N clamping force at 0.5 MPa to hold steel fabrications securely in a welding jig, with the trunnion absorbing misalignment.
Hopper Gate Actuator
Operates a sliding gate on a bulk material hopper. The pivoting action prevents rod bending as the gate mechanism travels through a slight arc.
Is the Airtac SC100 Standard Cylinder SC100X70TC the Right Cylinder?
Choose the SC100 bore when your application needs roughly 3900 N of push force at standard plant pressure. If you can step down to 2513 N, the SC80 bore offers a lighter, more compact body; for higher force up to 6136 N, move up to the SC125. The 70 mm stroke is well within the 1500 mm maximum standard stroke for this bore.
For replacement, match five points: 100 mm bore, 70 mm stroke, PT port thread, TC centre trunnion mounting (with TCM1 bracket), and the absence of a magnet. This cylinder is a direct replacement for another AirTAC SC100X70TC or an equivalent tie-rod cylinder with identical mounting geometry.
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 SC100X70TC FAQ
At 0.7 MPa (7 bar), the theoretical push force is 5497 N. The pull force on the retract stroke is 3681 N at 0.5 MPa, due to the area occupied by the 25 mm rod.
No. The SC100X70TC is a standard double-acting cylinder and will not hold position when pressure is exhausted or the valve is centered. For load holding, you must add an external rod lock or a pilot-operated check valve.
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