Airtac AIRTAC SC125-160 Standard Cylinder SC125X240S
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X240S is a genuine double-acting standard air cylinder with a Ø125mm bore and 240mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke240 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X240S
The SC125X240S is a double-acting pneumatic cylinder delivering 6136 N of push force at 0.5 MPa and up to 11045 N at the maximum operating pressure of 0.9 MPa. With a 125 mm bore and 240 mm stroke, this tie-rod actuator uses a 32 mm diameter piston rod with an M27x2 thread and provides an adjustable air cushion of 28 mm to decelerate end-of-stroke loads smoothly.
This model includes the -S suffix, indicating a built-in magnet embedded in the piston. This allows direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors on the barrel for non-contact position sensing, essential for automation sequences requiring end-of-stroke or mid-stroke confirmation. The standard PT1/2 ports and TPU seals suit filtered air systems operating from -20 to +70 °C.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X240S Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X240S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 240 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 SC125X240S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×240 | 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 SC125X240S Is Used
Heavy Pallet Transfer
Pushes 600+ kg pallets across roller conveyors in distribution centers. The 6136 N force at 0.5 MPa easily overcomes inertia, while the 28 mm cushion protects the transfer mechanism from shock.
Press-Fit Assembly
Generates up to 11045 N at 0.9 MPa for pressing bearings or bushings into housings. The built-in magnet allows sensors to verify full insertion depth, ensuring consistent assembly quality.
Clamping Large Fabrications
Provides rigid holding force for welded steel structures in jigs. The 32 mm rod resists deflection under clamping loads, and the -S magnet confirms the clamp is engaged before the welding cycle starts.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X240S the Right Cylinder?
Select the SC125 bore when your application needs push forces in the 6136 N (0.5 MPa) to 11045 N (0.9 MPa) range. If your load requires less force, stepping down to the SC100 bore provides 3927 N at 0.5 MPa, potentially reducing air consumption. For higher forces, the SC160 bore offers 10053 N at the same pressure. This 240 mm stroke is within the standard offering for the 125 mm bore.
When replacing an existing cylinder, match these five points exactly: 125 mm bore, 240 mm stroke, PT1/2 port thread, the built-in magnet (-S) for sensor compatibility, and the basic mounting style. The SC series is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders. For long-stroke applications, ensure the rod is guided externally if significant side loads are present to prevent rod bearing wear and bending.
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 SC125X240S FAQ
At 0.5 MPa, the push force is 6136 N and the pull force is 5734 N. At the maximum operating pressure of 0.9 MPa, push force reaches 11045 N. The theoretical maximum force at 1.0 MPa is 1251 kgf.
Yes. The -S suffix in the model code SC125X240S means it has a built-in magnet. You can clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the barrel tie-rod slots to detect piston position without additional brackets.
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