Airtac AIRTAC SC125-160 Standard Cylinder SC125X100STC
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X100STC is a genuine double-acting standard air cylinder with a Ø125mm bore and 100mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke100 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X100STC
The SC125X100STC is a double-acting pneumatic cylinder delivering 6136 N of push force at 0.5 MPa, scaling up to 11045 N at 0.9 MPa. With a 100 mm stroke and a robust 32 mm piston rod, this model is built for heavy linear actuation in compact machine frames.
This configuration includes a built-in magnet (S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion mount (TC suffix) with the TCM1 bracket (F-SC125TC) to allow the cylinder to pivot during operation. The body length A is 203 mm, and the adjustable air cushion is 28 mm to softly decelerate high-inertia loads.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X100STC Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X100STC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| Port size | PT1/2 |
| Rod thread | M27×2 |
| 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 | Adjustable, 28 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 (Ø125mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 6136 N | 5734 N |
| 0.7 MPa | 8590 N | — |
| Max (approx.) | 1251 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac AIRTAC SC125-160 Standard Cylinder SC125X100STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×100 | 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 AIRTAC SC125-160 Standard Cylinder SC125X100STC Is Used
Heavy-Duty Clamping
Generates up to 11045 N of force at 0.9 MPa for securely holding large workpieces during machining or welding, with sensor confirmation via the built-in magnet.
Pivoting Sortation Gate
The centre trunnion mount allows the cylinder body to swing, making it ideal for actuating diverter gates on wide conveyor lines handling heavy parcels or pallets.
Press and Forming Tools
Delivers a powerful, consistent push stroke for light pressing, bending, or forming operations where a compact 100 mm stroke is sufficient for the tooling cycle.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X100STC the Right Cylinder?
Choose the SC125 bore when your application needs between 6136 N and 11045 N of push force. If your load is lighter, stepping down to an SC100 bore provides 3927 N at 0.5 MPa in a smaller package. For a drop-in replacement, match the 125 mm bore, 100 mm stroke, PT port thread, centre trunnion (TC) mounting, and the built-in magnet (-S) for sensor compatibility.
For this 100 mm stroke, side-loading is less critical than on very long strokes, but always ensure the load is guided externally if any lateral force is present to protect the rod bearing and seal.
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 AIRTAC SC125-160 Standard Cylinder SC125X100STC FAQ
The theoretical push force at 0.5 MPa is 6136 N, and at the maximum operating pressure of 0.9 MPa it is 11045 N. The pull force on the retract stroke is 5734 N at 0.5 MPa due to the 32 mm piston rod area.
No. The AirTAC SC series is a tie-rod cylinder, not an ISO 15552 profile cylinder. Its body length (203 mm A-dimension) is shorter than an equivalent ISO 15552 cylinder. You must replace it with another AirTAC SC125 tie-rod cylinder with matching bore, stroke, TC mount, and magnet option.
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