Airtac AIRTAC SC125-160 Standard Cylinder SC125X180TC
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X180TC is a genuine double-acting standard air cylinder with a Ø125mm bore and 180mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke180 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X180TC
The AirTAC SC125X180TC is a double-acting tie-rod cylinder with a 125 mm bore and 180 mm stroke, supplied with a centre trunnion (TC) mount for pivoting applications. At 0.5 MPa air pressure it generates 6136 N of push force and 5734 N on the pull stroke, placing it in a high-force class suitable for heavy-duty factory automation.
This model features a 32 mm piston rod with an M27x2 male thread and PT1/2 ports. The adjustable air cushion at each end (28 mm length) decelerates the piston smoothly, protecting the end caps during high-speed cycles. The TC mounting configuration includes the TCM1 trunnion bracket, allowing the cylinder body to pivot as the rod extends and retracts.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X180TC Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X180TC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 180 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 SC125X180TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×180 | 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 SC125X180TC Is Used
Heavy-Duty Clamping
The 6136 N push force at 0.5 MPa makes this cylinder ideal for pneumatic toggle clamps and welding fixtures that must hold large fabrications securely during assembly.
Pivoting Transfer Arms
With the TC centre trunnion mount, the SC125X180TC excels in lifting and rotating transfer arms on conveyor lines, moving heavy pallets or engine blocks between stations.
Press and Forming Tools
Use this cylinder in small hydraulic-replacement presses for punching, forming, or riveting operations where a consistent 6136 N force is needed and a clean pneumatic supply is preferred.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X180TC the Right Cylinder?
Select the SC125X180TC when your application requires a pivoting mount and force in the 6000 N range at standard plant pressure. If your load demands more force, step up to the SC160 bore which delivers 10053 N push at 0.5 MPa; for a lighter, faster-moving load the SC100 bore provides 3927 N. The centre trunnion mount is ideal for swinging arms and clamps, but ensure the pivot pins are sized for the full thrust load.
For strokes of 180 mm, side loading is generally not a concern if the rod is aligned axially with the load. However, any off-axis force can cause rod bearing wear and seal leakage. If your application introduces a side load, use an external guide rail or consider a guided cylinder to protect the rod and bearing from bending moments.
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 SC125X180TC FAQ
At 0.5 MPa (5 bar) the cylinder delivers 6136 N pushing force and 5734 N pulling force. At the maximum operating pressure of 0.9 MPa, the push force increases to 11045 N. The theoretical maximum force at 1.0 MPa is 1251 kgf.
Yes, provided the replacement matches five key points: 125 mm bore, 180 mm stroke, PT1/2 port thread, the TC centre trunnion mounting style (including the TCM1 bracket), and the same or compatible magnet sensor option (this model has no built-in magnet). The SC series is a tie-rod cylinder, so it is not dimensionally interchangeable with ISO 15552 profile cylinders.
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