Airtac AIRTAC SC125-160 Standard Cylinder SC125X75S
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X75S 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 SC125X75S
The SC125X75S is a double-acting pneumatic cylinder delivering 6136 N push force at 0.5 MPa (11045 N at 0.9 MPa), making it a heavy-workhorse choice for pressing and clamping. Its 75 mm stroke is a standard length within the 1500 mm maximum for this bore, and the built-in magnet allows direct mounting of CMSG/DMSG/EMSG sensors for end-of-stroke detection.
This tie-rod cylinder uses a 32 mm piston rod with M27x2 male threads and PT1/2 ports. The adjustable air cushion (28 mm length) decelerates the piston smoothly, reducing end-cap impact. Operating pressure spans 0.15–1.0 MPa with TPU seals rated for -20 to +70 °C.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X75S Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X75S |
|---|---|
| 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 SC125X75S
| 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 SC125X75S Is Used
Pallet Stop & Lift Gates
The 6136 N push force at 0.5 MPa easily raises heavy pallet stops or lift gates in material handling lines. The -S magnet lets CMSG sensors confirm gate position for interlocked conveyor control.
Heavy-Duty Clamping & Pressing
With 11045 N available at 0.9 MPa, this cylinder suits weld-fixture clamping or small assembly presses. The adjustable cushion protects tooling by softening the clamp stroke end.
Automated Saw & Cut-Off Slides
The 75 mm stroke provides a compact feed motion for saw carriages. Magnetic piston sensing enables precise blade-advance and retract confirmation for CNC cut-off cycles.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X75S the Right Cylinder?
Choose the SC125 bore when your application needs between roughly 5700 N and 11000 N of push force. If 6136 N at 0.5 MPa is more than required, stepping down to the SC100 bore reduces push force to 3927 N at the same pressure, saving air consumption and physical space. For strokes of 300 mm or longer on this 32 mm rod, evaluate side-load conditions—an external guide or guided cylinder prevents rod-bearing bending and premature seal wear.
To replace an existing cylinder, match five points: 125 mm bore, 75 mm stroke, PT port thread, the -S magnet option for sensor compatibility, and basic mounting (no bracket). This model is a direct drop-in for another AirTAC SC125X75S 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 SC125X75S FAQ
At 0.5 MPa, push force is 6136 N and pull force is 5734 N. At the maximum operating pressure of 0.9 MPa, push force reaches 11045 N. The theoretical maximum at 1.0 MPa is 1251 kgf.
Yes. The -S suffix indicates a built-in magnet in the piston. You can clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the barrel tie-rod slots to detect piston position without any additional brackets.
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