Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200S
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200S is a genuine double-acting standard air cylinder with a Ø125mm bore and 1200mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke1200 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200S
The SC125X1200S is a double-acting pneumatic cylinder delivering 6136 N push force at 0.5 MPa and up to 11045 N at the maximum 0.9 MPa operating pressure. With a 32 mm rod and a 1200 mm stroke, it provides robust linear actuation for demanding industrial tasks.
This ISO 6430 class tie-rod cylinder includes a built-in magnet, allowing direct mounting of CMSG, DMSG, or EMSG reed and solid-state sensors on the barrel for reliable end-of-stroke detection. The 28 mm adjustable air cushion decelerates the piston smoothly, and the body length A of 203 mm keeps the assembly compact for its force class.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200S Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200S |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 1200 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 SC125X1200S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×1200 | 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 SC125X1200S Is Used
Pallet Transfer
Moves heavy pallets across conveyor junctions with the 6136 N push force at 0.5 MPa, while the built-in magnet confirms full extension and retraction.
Press-Fit Assembly
Applies up to 11045 N at 0.9 MPa for inserting bearings or bushings, with the 28 mm cushion softening the impact at the end of the 1200 mm stroke.
Truck Loader Gate
Operates a heavy dock-leveler lip or gate, using the long 1200 mm stroke and sensor-ready magnet for sequenced material-handling automation.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X1200S the Right Cylinder?
Choose the SC125 when your load requires over 5000 N of force at standard plant air; the next step down is the SC100 (3927 N at 0.5 MPa), and the step up is the SC160 (10053 N at 0.5 MPa). For this 1200 mm stroke, external guides or a guided cylinder are strongly recommended to protect the 32 mm rod from bending under side loads.
To replace an existing cylinder, match five points: 125 mm bore, 1200 mm stroke, PT port thread, the built-in magnet (-S suffix), and the basic mounting style. This ensures identical mechanical and sensing compatibility without re-engineering the machine.
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 SC125X1200S FAQ
At 0.5 MPa it delivers 6136 N; at 0.7 MPa it reaches 8590 N; and at the maximum operating pressure of 0.9 MPa it produces 11045 N. The theoretical force at 1.0 MPa is 1251 kgf, though the operating limit is 1.0 MPa.
For strokes of 300 mm and above, side loads can bend the 32 mm rod or wear the bearing. Use an external guide rail, rod-alignment coupler, or switch to a guided cylinder unit. The built-in magnet (-S) remains fully compatible with these setups.
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