Airtac AIRTAC SC125-160 Standard Cylinder SC125X1380S
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X1380S is a genuine double-acting standard air cylinder with a Ø125mm bore and 1380mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke1380 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1380S
The AirTAC SC125X1380S is a double-acting tie-rod cylinder delivering 6136 N of push force at 0.5 MPa, scaling up to a substantial 11045 N at the maximum operating pressure of 0.9 MPa. With a 1380 mm stroke, this model is designed for long linear movements in heavy-duty automation, featuring a 32 mm piston rod and a 28 mm adjustable air cushion at each end to absorb energy and reduce end-of-stroke impact.
This variant includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors on the barrel for reliable, non-contact position sensing. The standard PT (Rc) port thread is 1/2 inch, and the rod thread is M27x2. Operating on 30-500 mm/s speed range, it belongs to the ISO 6430 class for larger bore cylinders.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X1380S Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X1380S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 1380 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 SC125X1380S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×1380 | 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 SC125X1380S Is Used
Heavy Pallet Transfer
Pushes or pulls loaded pallets across roller conveyors in logistics hubs, using the 1380 mm stroke to span wide transfer zones.
Structural Welding Jigs
Clamps large fabricated steel frames with high force, with the magnet enabling sensor confirmation of clamp position before the weld cycle starts.
Timber Mill Log Flippers
Rotates heavy logs on a sawmill infeed deck, leveraging the 11045 N push force and the adjustable cushion to manage the inertia of large timber sections.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1380S the Right Cylinder?
Select the SC125X1380S when your application requires a force class around 6136 N at standard plant pressure, with the ability to reach over 11 kN at 0.9 MPa. For a lighter, more compact solution, consider stepping down to the SC100 bore, which provides 3927 N at 0.5 MPa. For even higher force requirements, the SC160 bore delivers 10053 N at the same pressure. At this 1380 mm stroke, the long, extended 32 mm rod is susceptible to bending under side loads; always use an external guide rail or rod-alignment coupler to prevent rod bearing damage and ensure linear motion integrity. For a direct replacement, match the 125 mm bore, 1380 mm stroke, PT port thread, built-in magnet, and basic mounting 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 AIRTAC SC125-160 Standard Cylinder SC125X1380S FAQ
At 0.7 MPa operating pressure, the theoretical push force is 8590 N. The pull force on the retract stroke is 5734 N at 0.5 MPa, accounting for the reduced piston area on the rod side.
Yes. The -S suffix in the model code SC125X1380S indicates a built-in magnet is installed in the piston. This allows you to clamp compatible CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the tie-rod barrel to detect piston position.
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