Airtac AIRTAC SC125-160 Standard Cylinder SC125X1700S
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X1700S is a genuine double-acting standard air cylinder with a Ø125mm bore and 1700mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke1700 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1700S
The AirTAC SC125X1700S is a double-acting tie-rod cylinder engineered for long linear movements, providing a substantial 1700 mm stroke from a 125 mm bore. This model generates a theoretical push force of 6136 N at 0.5 MPa and reaches 11045 N at the maximum operating pressure of 0.9 MPa, making it suitable for heavy payloads over extended travel distances.
This specific configuration includes a built-in magnet (denoted by the -S suffix), allowing direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors along the barrel for precise position feedback. The 32 mm diameter piston rod features an M27x2 knuckle thread, and the cylinder body has a length (A) of 203 mm. As a non-standard stroke exceeding the 1500 mm maximum, this unit is a made-to-order item.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X1700S Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X1700S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 1700 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 SC125X1700S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×1700 | 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 SC125X1700S Is Used
Long-Stroke Material Transfer
Pushes or pulls heavy pallets and components across wide conveyor gaps or transfer stations, using the 1700 mm stroke to bridge distances that standard cylinders cannot cover.
Automated Welding & Assembly Jigs
Positions large welding arms or assembly fixtures with sensor-confirmed end-of-stroke detection via the built-in magnet, ensuring repeatable clamping over a long travel path.
Heavy-Duty Sorting Gates
Operates high-inertia diverter gates in mining or aggregate handling, leveraging the 11045 N push force at 0.9 MPa to shift heavy material flows reliably.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1700S the Right Cylinder?
Select the SC125X1700S when your application requires a force exceeding the SC100's 3927 N push at 0.5 MPa but does not need the 10053 N force of the larger SC160 bore. For this 1700 mm stroke, careful management of the piston rod is critical; long, unsupported strokes are susceptible to rod deflection and bearing side-load damage. Always use an external guide system or a self-supporting load carriage to prevent bending moments on the 32 mm rod.
When replacing an existing cylinder, ensure a precise 5-point match: confirm the 125 mm bore, 1700 mm stroke, PT port thread, the basic (no bracket) mounting configuration, and the presence of a built-in magnet for sensor compatibility. This SC series is a tie-rod design and is dimensionally shorter than an ISO 15552 cylinder, so it is not a direct drop-in replacement for those profiles.
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 SC125X1700S FAQ
At the standard 0.5 MPa operating pressure, the cylinder provides 6136 N of push force and 5734 N of pull 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.
For any stroke over 300 mm, and especially at 1700 mm, you must not subject the rod to side loads. The cylinder should only handle pure axial push/pull forces. Implement an external linear guide rail or rod support to carry the weight of the load and absorb any transverse forces, protecting the rod bearing and seals from premature wear.
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