Airtac AIRTAC SC125-160 Standard Cylinder SC125X475S
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X475S is a genuine double-acting standard air cylinder with a Ø125mm bore and 475mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke475 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X475S
The SC125X475S is a double-acting tie-rod cylinder delivering 6136 N push force at 0.5 MPa and up to 11045 N at the maximum operating pressure of 0.9 MPa. Its 475 mm stroke sits well within the 1500 mm maximum standard range for the 125 mm bore, and the 32 mm diameter piston rod provides robust guidance for medium-to-heavy linear tasks.
This model includes the factory-installed -S magnet, enabling tool-free mounting of CMSG, DMSG, or EMSG reed and solid-state sensors directly on the tie-rod barrel for reliable end-of-stroke or mid-position detection. The adjustable air cushion at each end decelerates the 32 mm rod smoothly over a 28 mm cushion length, protecting tooling from impact shock.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X475S Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X475S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 475 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 SC125X475S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×475 | 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 SC125X475S Is Used
Pallet Transfer Systems
The 6136 N push force at 0.5 MPa moves heavy pallets or steel frames between conveyor lanes, with the 475 mm stroke covering wide transfer gaps.
Press-Fit Assembly
Delivers up to 11045 N at 0.9 MPa for pressing bearings or bushings into housings. The built-in magnet simplifies sensor-based depth verification.
Baler & Compactor Gates
Operates discharge gates on recycling balers. The 32 mm rod resists bending under the gate's weight, and the adjustable cushion softens the gate closure.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X475S the Right Cylinder?
Select the SC125 when the SC100's 3927 N push at 0.5 MPa is insufficient for the load. For a lighter, more compact solution, stepping down to the SC100 bore saves space and air consumption. At a 475 mm stroke, ensure the rod is not subjected to high side loads; if the application imposes lateral forces, add an external linear guide or switch to a guided cylinder to prevent rod bearing wear and bending.
For a direct replacement, match five points: 125 mm bore, 475 mm stroke, PT port thread, the built-in magnet (-S), and the basic mounting configuration. The SC is a tie-rod design and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC125X475S FAQ
At 0.5 MPa, it produces 6136 N push and 5734 N pull. At the maximum operating pressure of 0.9 MPa, push force reaches 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
Yes. The -S suffix in SC125X475S indicates a built-in magnet. You can clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the tie-rod barrel to detect piston position without additional brackets.
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