Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200 is a genuine double-acting standard air cylinder with a Ø125mm bore and 1200mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke1200 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200
The SC125X1200 is a double-acting pneumatic cylinder delivering substantial linear force in a tie-rod construction. At 0.5 MPa it generates 6136 N pushing and 5734 N pulling, scaling to 11045 N at the maximum operating pressure of 0.9 MPa, making it a powerful actuator for heavy industrial tasks.
This model features a 125 mm bore with a 32 mm diameter piston rod and an M27x2 rod thread for robust connection. The 1200 mm stroke is within the standard range for this bore, and the cylinder includes a 28 mm adjustable air cushion at each end to decelerate high-inertia loads smoothly. The body length A is 203 mm, giving a total extended length of approximately 1403 mm.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 1200 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 SC125X1200
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×1200 | 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 SC125X1200 Is Used
Heavy Material Handling
Operates lift tables, tippers, and large part pushers in foundries and steel plants, using its 11045 N maximum force to move heavy loads reliably.
Agricultural Machinery Actuation
Powers the folding mechanisms on wide tillage equipment or the discharge gates on high-capacity grain carts, where long strokes and high force are essential.
Waste Compaction Systems
Drives the compression plate in industrial balers and compactors for cardboard, plastics, or waste, leveraging the full 1200 mm stroke for deep compaction chambers.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200 the Right Cylinder?
Select the SC125 bore when your application requires between roughly 6136 N and 11045 N of push force. If your load is lighter, stepping down to an SC100 bore saves space and air consumption, as it provides 3927 N at 0.5 MPa. For even higher force, the SC160 bore offers 10053 N at the same pressure.
For this 1200 mm stroke, carefully assess side-loading conditions. An unsupported 32 mm rod extending over a meter is vulnerable to bending under lateral forces. Use an external linear guide or rod-alignment coupler to protect the rod bearing and seals from premature wear. When replacing this cylinder, match five key points: 125 mm bore, 1200 mm stroke, PT port thread, basic mounting (no factory-fitted bracket), and the absence of a built-in magnet.
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 SC125X1200 FAQ
At 0.7 MPa operating pressure, the SC125X1200 generates 8590 N of push force on the piston and 5734 N of pull force on the rod side. The maximum force at 0.9 MPa is 11045 N push.
No. The AirTAC SC series is a tie-rod cylinder that is physically shorter than a comparable ISO 15552 profile cylinder. It is not dimensionally interchangeable with ISO 15552 mounts. It is a direct replacement only for another AirTAC SC tie-rod cylinder of the same bore, stroke, and port configuration.
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