Airtac AIRTAC SC125-160 Standard Cylinder SC125X150S
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X150S is a genuine double-acting standard air cylinder with a Ø125mm bore and 150mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke150 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X150S
The SC125X150S is a robust double-acting tie-rod cylinder with a 125 mm bore and 150 mm stroke, factory-equipped with a built-in magnet for direct mounting of CMSG/DMSG/EMSG sensors. At 0.5 MPa air pressure it generates 6136 N of push force and 5734 N of pull force, placing it in the 6 kN class for medium-heavy industrial actuation.
This model uses a 32 mm diameter piston rod with an M27x2 knuckle thread and PT1/2 ports. The adjustable air cushion at each end provides a 28 mm deceleration zone, and the total extended body length is approximately 353 mm (body length A of 203 mm plus 150 mm stroke). The standard TPU seals suit ambient temperatures from -20 to +70 °C.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X150S Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X150S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 150 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 SC125X150S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×150 | 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 SC125X150S Is Used
Pallet Stop & Lift
The 6 kN push force at 0.5 MPa easily raises or stops heavy pallets on gravity roller conveyors. The built-in magnet allows end-of-stroke sensing to sequence with downstream automation.
Press & Clamp Fixture
Delivers 11045 N of clamping force at 0.9 MPa for holding large weldments or castings during machining. The 32 mm rod resists bending under direct axial load.
Hopper Gate Actuation
Operates slide gates on bulk material hoppers. The adjustable cushion smoothly decelerates the heavy gate mass at the end of the 150 mm stroke, reducing noise and mechanical shock.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X150S the Right Cylinder?
Choose the SC125X150S when your application needs a force of roughly 6000 N at standard plant air pressure. If you require a higher force margin, stepping up to the 160 mm bore delivers 10053 N push at 0.5 MPa. For lighter, faster cycling, the 100 mm bore provides 3927 N. This 125 mm bore belongs to the ISO 6430 class with a recommended speed range of 30-500 mm/s.
To replace an existing cylinder, match five points exactly: 125 mm bore, 150 mm stroke, PT port thread, the built-in magnet (-S suffix), and the basic mounting configuration. Always confirm the tie-rod body length A of 203 mm against your machine envelope, as the SC series is shorter than a standard ISO 15552 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 SC125X150S FAQ
At 0.5 MPa the theoretical 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 absolute maximum force at 1.0 MPa is 1251 kgf. Always apply a safety factor for real dynamic loads.
Yes. The -S suffix indicates a built-in magnetic piston band. You can clamp AirTAC CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the barrel tie-rod slots without any additional mounting brackets.
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