Airtac AIRTAC SC125-160 Standard Cylinder SC125X115S
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X115S is a genuine double-acting standard air cylinder with a Ø125mm bore and 115mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke115 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X115S
The AirTAC SC125X115S is a robust double-acting tie-rod cylinder with a 125 mm bore and 115 mm stroke, delivering 6136 N of push force at 0.5 MPa and up to 11045 N at the maximum operating pressure of 0.9 MPa. This model includes a built-in magnet (-S suffix), allowing direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors on the barrel for precise, non-contact position sensing.
Engineered with a 32 mm piston rod and M27x2 knuckle thread, the SC125X115S features an adjustable air cushion (28 mm length) to decelerate the piston smoothly at stroke ends. The body length A is 203 mm, and the total extended length is approximately 318 mm. As an ISO 6430 class cylinder, it operates on filtered air at 0.15-1.0 MPa and is rated for a proof pressure of 1.5 MPa, with a speed range of 30-500 mm/s.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X115S Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X115S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 115 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 SC125X115S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×115 | 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 SC125X115S Is Used
Heavy Pressing & Clamping
Generates up to 11045 N of force for holding, pressing, or clamping large workpieces in metal forming and assembly fixtures.
Material Handling & Sorting
Pushes heavy bins or diverts pallets on conveyors; the built-in magnet enables sensor-based sequencing for automated sortation.
Industrial Machinery Actuation
Powers the main linear motion in compact packaging machines, compactors, or woodworking equipment where a short, high-force stroke is required.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X115S the Right Cylinder?
Choose the SC125 bore when your application requires push forces between 6136 N and 11045 N. If your load is lighter, stepping down to the SC100 bore provides 3927 N of push at 0.5 MPa in a more compact package. For heavier demands, the SC160 bore offers 10053 N at the same pressure. This 115 mm stroke is a standard length within the 125 mm bore's maximum standard stroke of 1500 mm.
To ensure a successful replacement, match five key points: bore (125 mm), stroke (115 mm), port thread (PT1/2), mounting accessory (basic, no bracket), and the built-in magnet (-S) for sensor compatibility. This is a tie-rod cylinder 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 SC125X115S 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, the push force reaches 11045 N. The theoretical maximum force at 1.0 MPa is 1251 kgf.
Yes. The -S suffix indicates a built-in magnet on the piston. This allows you to clamp AirTAC CMSG, DMSG, or EMSG sensors directly onto the cylinder barrel to detect piston position without additional brackets.
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