Airtac AIRTAC SC125-160 Standard Cylinder SC125X1350
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X1350 is a genuine double-acting standard air cylinder with a Ø125mm bore and 1350mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke1350 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1350
The SC125X1350 is a double-acting tie-rod cylinder delivering a substantial push force of 6136 N at 0.5 MPa and up to 11045 N at the maximum operating pressure of 0.9 MPa. Its 32 mm diameter piston rod and 28 mm adjustable air cushion are built to manage high-inertia loads at the end of the 1350 mm stroke, making it a robust choice for heavy linear actuation.
This 125 mm bore model belongs to the ISO 6430 class of big-bore cylinders, featuring a PT1/2 port and a body length A of 203 mm. The 1350 mm stroke is within the standard maximum of 1500 mm for this bore, ensuring availability as a standard catalog item without the lead time of a full custom order.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X1350 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X1350 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 1350 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 SC125X1350
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×1350 | 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 SC125X1350 Is Used
Sawmill Log Handling
Provides the high force needed to position and clamp large logs on carriages or conveyor stops, withstanding the dirty, demanding conditions of a sawmill environment.
Heavy Agricultural Equipment
Actuates folding mechanisms on wide tillage tools or controls chute deflectors on large harvesters, where the 11045 N max force reliably moves heavy, debris-laden assemblies.
Industrial Compactor Feed
Drives the material ram in a recycling compactor, using the full 1350 mm stroke to push bulk waste into the compression chamber with consistent, high thrust.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1350 the Right Cylinder?
Select this 125 mm bore when the 100 mm bore's 3927 N force at 0.5 MPa is insufficient for the load. If your application requires less force, stepping down to the 100 mm bore can reduce air consumption. For any stroke over 300 mm, like this 1350 mm model, ensure the rod is externally guided or the load is perfectly axial; a long, unsupported 32 mm rod is susceptible to bending under side loads, which damages the rod bearing and seal.
To guarantee a direct replacement, match five key specifications: the 125 mm bore, 1350 mm stroke, PT1/2 port thread, basic mounting (no accessory), and the absence of a magnet. This ensures dimensional and functional interchangeability with an existing AirTAC SC125 tie-rod cylinder.
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 SC125X1350 FAQ
At 0.7 MPa operating pressure, the theoretical push force is 8590 N, and the pull force on the retract stroke is 5734 N. These values are based on the 125 mm bore and 32 mm piston rod diameter.
No. As a standard double-acting cylinder, the SC125X1350 will drift or drop if air pressure is exhausted or the directional valve is centered. For load-holding without live pressure, you must add an external rod lock, a pilot-operated check valve, or a mechanical brake.
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