Airtac AIRTAC SC125-160 Standard Cylinder SC125X750
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X750 is a genuine double-acting standard air cylinder with a Ø125mm bore and 750mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke750 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X750
The AirTAC SC125X750 is a heavy-duty double-acting tie-rod 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 32 mm diameter piston rod and PT1/2 port threads, this model is built for industrial applications requiring substantial force over a mid-range stroke.
This 125 mm bore cylinder belongs to the ISO 6430 class and features a 28 mm adjustable air cushion at each end to decelerate high inertial loads smoothly. The body length A is 203 mm, giving a total extended length of approximately 953 mm. The standard operating speed range for this bore class is 30-500 mm/s, making it ideal for controlled, powerful linear movements.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X750 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X750 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 750 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 SC125X750
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×750 | 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 SC125X750 Is Used
Heavy Press & Clamping
Generates over a tonne of clamping force at 0.9 MPa, ideal for hydraulic-replacement pneumatic presses, riveting stations, and heavy-duty assembly fixtures.
Palletizer & Conveyor Pushers
Provides the high force needed to push heavy pallets or large packages onto conveyor transfers, with the 750 mm stroke covering wide sortation lanes.
Material Handling Tilters
Used in tilt tables and large bin dumpers, the robust 32 mm rod and tie-rod construction handle the high side loads and bending moments common in these applications.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X750 the Right Cylinder?
Select the SC125X750 when your application demands force in the 6 kN class at standard plant air pressure. If your load requires less force, stepping down to the SC100 bore reduces push force to 3927 N at 0.5 MPa, offering a more compact and energy-efficient solution. For higher forces, the SC160 bore provides 10053 N at the same pressure.
For a 750 mm stroke, carefully evaluate side-loading conditions. Long, unsupported strokes on a single rod can create a bending moment on the rod bearing. If the load is not perfectly guided, consider using an external guide rail or a guided cylinder to prevent premature seal and bearing wear. When replacing this cylinder, match five key points: 125 mm bore, 750 mm stroke, PT1/2 port thread, basic mounting (no integrated bracket), and the absence of a 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 SC125X750 FAQ
At 0.5 MPa, the theoretical push force is 6136 N and the pull force is 5734 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 11045 N. The maximum theoretical force at 1.0 MPa is 1251 kgf.
No. The AirTAC SC series is a tie-rod cylinder and is physically shorter than a standard ISO 15552 cylinder, so it is not dimensionally interchangeable. It is an ISO 6430 class cylinder. For a direct replacement, you must match another AirTAC SC series cylinder or a tie-rod cylinder with identical bore, stroke, port thread (PT1/2), and mounting dimensions.
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