Airtac AIRTAC SC125-160 Standard Cylinder SC125X270TC
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X270TC is a genuine double-acting standard air cylinder with a Ø125mm bore and 270mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke270 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X270TC
The AirTAC SC125X270TC is a double-acting tie-rod cylinder with a 125 mm bore and 270 mm stroke, supplied with a centre trunnion (TC) mount for pivoting applications. Operating at 0.5 MPa, it generates a push force of 6136 N and a pull force of 5734 N, moving a 32 mm diameter piston rod with an adjustable air cushion length of 28 mm.
This model is built on a 203 mm body length (A) and uses a PT1/2 port with an M27x2 rod thread. The TC configuration includes the TCM1 trunnion bracket (order code F-SC125TC), allowing the cylinder to pivot as it strokes. As a genuine AirTAC SC series unit, it is rated for 0.15-1.0 MPa operating pressure and speeds of 30-500 mm/s, suitable for ISO 6430 class applications.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X270TC Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X270TC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 270 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 SC125X270TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×270 | 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 SC125X270TC Is Used
Conveyor Diverter Gates
The 6136 N push force and centre trunnion mount allow this cylinder to pivot heavy diverter gates on wide conveyor lines, directing product flow reliably at 0.5 MPa.
Heavy Clamping & Welding Fixtures
Delivers stable, high-force clamping for large weldments or machining fixtures. The adjustable cushion decelerates the 32 mm rod smoothly, preventing vibration in the fixture.
Agricultural Equipment Actuation
Suitable for actuating chutes or hopper doors on harvesters and spreaders. The trunnion mount handles the arcing motion, while the tie-rod design withstands dusty, high-cycle environments.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X270TC the Right Cylinder?
For a 125 mm bore, the SC125 delivers 6136 N at 0.5 MPa. If your load requires less force, stepping down to a 100 mm bore (3927 N at 0.5 MPa) can reduce air consumption and physical size. For higher force demands, the 160 mm bore provides 10053 N at the same pressure.
With a 270 mm stroke, rod alignment is critical. Any side load on the extended 32 mm rod can cause bending or premature bearing wear; use an external guide or linear rail for unsupported loads. When replacing an existing cylinder, match these five points exactly: 125 mm bore, 270 mm stroke, PT port thread, centre trunnion (TC) mounting with TCM1 bracket, and the absence of a magnet (no -S suffix).
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 SC125X270TC FAQ
At 0.7 MPa (7 bar), the SC125 bore generates 8590 N of push force and 5734 N of pull force. The maximum operating force at 0.9 MPa is 11045 N push.
This specific model (SC125X270TC) is supplied with the centre trunnion (TC) mount and TCM1 bracket. If your application requires a rear clevis, you would need to order the CA (single clevis) or CB (double clevis) mounting variant, such as SC125X270CA, using the correct F-SC125CA or F-SC125CB accessory kit.
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