Airtac AIRTAC SC125-160 Standard Cylinder SC125X100SFA
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X100SFA is a genuine double-acting standard air cylinder with a Ø125mm bore and 100mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke100 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X100SFA
The SC125X100SFA is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 125 mm bore with a 100 mm standard stroke. This configuration generates a substantial 6136 N of push force at 0.5 MPa, rising to 11045 N at the maximum operating pressure of 0.9 MPa, making it a powerful actuator for medium-to-heavy industrial tasks.
This specific model includes a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, and comes equipped with a front rectangular flange (FA mount, accessory code F-SC125FA) for secure panel or bulkhead installation. The 32 mm diameter piston rod with M27x2 male thread provides robust linear guidance, while the 28 mm adjustable air cushion at each end decelerates the 100 mm stroke smoothly.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X100SFA Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X100SFA |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 100 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 SC125X100SFA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×100 | 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 SC125X100SFA Is Used
Press-Fit Assembly
Delivers up to 11045 N of force at 0.9 MPa for inserting bearings, bushings, or pins into tight-tolerance housings in automated assembly cells.
Heavy Part Rejection
Pneumatically actuates a reject gate on a high-throughput conveyor, using the 100 mm stroke to divert heavy or non-conforming products off the line.
Clamping & Fixturing
Provides a powerful, consistent clamping force for welding or machining fixtures, with the front flange mount enabling rigid attachment to a machine table.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X100SFA the Right Cylinder?
Select the SC125X100SFA when your application requires a force output in the 6000 N class at standard plant pressure. If your load is lighter, stepping down to the SC100 bore reduces the push force to 3927 N at 0.5 MPa, potentially saving energy and space. For heavier demands, the SC160 bore offers 10053 N at the same pressure.
This 125 mm bore cylinder belongs to the ISO 6430 class with a recommended speed range of 30-500 mm/s. For a direct replacement, match five key points: 125 mm bore, 100 mm stroke, PT port thread, FA front flange mounting, and the -S magnet for sensor compatibility. Always ensure the rod is aligned axially with the load to prevent side-loading, which can cause premature bearing and seal wear.
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 SC125X100SFA FAQ
At 0.5 MPa, the push force is 6136 N and the pull force is 5734 N. 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.
Yes. The -S suffix in the model code indicates a built-in magnet is fitted to the piston. This allows you to directly clamp AirTAC CMSG, DMSG, or EMSG reed and solid-state sensors onto the cylinder barrel for end-of-stroke position sensing without any external brackets.
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