Airtac AIRTAC SC125-160 Standard Cylinder SC125X75TC
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X75TC is a genuine double-acting standard air cylinder with a Ø125mm bore and 75mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke75 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X75TC
The SC125X75TC is a heavy-duty double-acting pneumatic cylinder from the AirTAC SC tie-rod series, 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 75 mm stroke and a robust 32 mm piston rod, this model is built for applications requiring high force in a compact linear envelope.
This configuration includes the TC centre trunnion mounting, supplied with the TCM1 bracket (part F-SC125TC), allowing the cylinder to pivot during operation. The standard PT1/2 port thread and TPU seals provide reliable performance in ambient temperatures from -20 to +70 °C, while the 28 mm adjustable air cushion at each end ensures smooth deceleration of the high-inertia load.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X75TC Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X75TC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 75 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 SC125X75TC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×75 | 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 SC125X75TC Is Used
Heavy Part Clamping
Delivers 6136 N at 0.5 MPa for secure fixturing of large weldments or castings, with the trunnion mount allowing the clamp arm to swing clear for part loading.
Press & Forming Tools
The 11045 N maximum thrust at 0.9 MPa drives forming dies and punches, while the 28 mm cushion absorbs impact energy to protect tooling alignment.
Pivoting Conveyor Gates
The TC centre trunnion enables the cylinder body to pivot as it strokes, perfect for diverting heavy pallets or bulk material on gravity or powered roller conveyors.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X75TC the Right Cylinder?
Select the SC125X75TC when your application demands a force class between the SC100 (3927 N at 0.5 MPa) and the SC160 (10053 N at 0.5 MPa). The centre trunnion mount is ideal for pivoting loads, as it moves the pivot point closer to the cylinder's centre of gravity, reducing bearing wear. For replacement, ensure a match across five critical points: 125 mm bore, 75 mm stroke, PT1/2 port thread, TC centre trunnion mounting, and the non-magnetic piston configuration. As an ISO 6430 class cylinder, this model is suited for industrial speeds of 30-500 mm/s.
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 SC125X75TC FAQ
At the standard 0.5 MPa operating pressure, the cylinder produces 6136 N pushing and 5734 N pulling. At the maximum 0.9 MPa operating pressure, push force increases to 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
No. The AirTAC SC series is a tie-rod cylinder with a shorter overall body length than a typical ISO 15552 profile cylinder, so mounting dimensions and end-cap interfaces are not interchangeable. It is a direct replacement only for another AirTAC SC 125mm bore cylinder with matching stroke, PT ports, and TC trunnion mount.
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