Airtac AIRTAC SC125-160 Standard Cylinder SC125X800
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X800 is a genuine double-acting standard air cylinder with a Ø125mm bore and 800mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke800 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X800
The SC125X800 is a double-acting tie-rod cylinder delivering 6136 N of push force at 0.5 MPa and up to 11045 N at the 0.9 MPa maximum operating pressure. Its 125 mm bore and 800 mm stroke suit heavy linear actuation, with a 32 mm piston rod and M27x2 rod thread for robust end connections.
This model features a 28 mm adjustable air cushion at each end to decelerate high-inertia loads, and the PT1/2 ports ensure straightforward pneumatic plumbing. The body length A is 203 mm, giving a total extended length of approximately 1003 mm. As a genuine AirTAC SC series cylinder, it is built for reliable industrial service.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X800 Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X800 |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 800 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 SC125X800
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×800 | 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 SC125X800 Is Used
Pallet Handling & Logistics
Provides the high force needed to lift, shift, or stop heavy pallets on conveyor lines and automated storage systems, with the 800 mm stroke covering wide transfer distances.
Heavy-Duty Clamping & Forming
Delivers up to 11045 N of clamping force for large welding fixtures, brake presses, or composite forming tools where a long, controlled stroke is essential.
Industrial Press Feed Systems
Powers the feed mechanism for large stamping presses or injection molding machines, reliably moving heavy dies or material sheets through an 800 mm cycle.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X800 the Right Cylinder?
Choose the SC125 when your application needs the 6136 N force class at 0.5 MPa. If you need less force, the SC100 bore provides 3927 N push at the same pressure; for more force, step up to the SC160 at 10053 N. Always match bore, 800 mm stroke, PT1/2 port thread, and mounting accessory when replacing an existing unit.
At 800 mm stroke, the 32 mm rod is subject to bending under side loads. Evaluate the application for off-axis forces and consider an external guide rail or a guided cylinder if side loading is present. The SC125 is an ISO 6430 class cylinder, so dimensional interchangeability is limited to other tie-rod designs of the same standard class.
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 SC125X800 FAQ
The theoretical push force at 0.5 MPa is 6136 N, and the pull force is 5734 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
No. The SC125 is an ISO 6430 class tie-rod cylinder and is shorter in overall length than a comparable ISO 15552 profile cylinder. It is a direct replacement only for another AirTAC SC125 tie-rod cylinder or a compatible tie-rod design with matching bore, stroke, PT1/2 ports, and mounting.
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