Airtac AIRTAC SC125-160 Standard Cylinder SC125X200SFA
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC125X200SFA is a genuine double-acting standard air cylinder with a Ø125mm bore and 200mm stroke, PT1/2 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ125 mm
- Stroke200 mm
- Port sizePT1/2
- Acting typeDouble acting
- Rod threadM27×2
- CushionAdjustable, 28 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC125X200SFA
The SC125X200SFA is a double-acting pneumatic cylinder delivering 6136 N of push force at 0.5 MPa (11045 N at the 0.9 MPa maximum operating pressure). Its 32 mm diameter piston rod and 200 mm stroke suit medium-reach clamping and pressing tasks where the cylinder body is mounted directly to a machine panel via the front rectangular flange.
This model includes a built-in magnet (suffix S), allowing CMSG, DMSG, or EMSG sensors to be clamped onto the tie-rod barrel for contactless position sensing. The FA front flange (accessory F-SC125FA) bolts onto the rod-end head, providing a rigid, face-mounted installation. Seals are standard TPU for a -20 to +70 °C working range, and ports are PT1/2.
Airtac AIRTAC SC125-160 Standard Cylinder SC125X200SFA Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC125X200SFA |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø125 mm |
| Stroke | 200 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 SC125X200SFA
| SC | Standard tie-rod cylinder series. |
|---|---|
| 125 | Bore size in mm. |
| ×200 | 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 SC125X200SFA Is Used
Heavy Panel Clamping
The front flange mount and 11045 N max thrust at 0.9 MPa rigidly hold large workpieces against fixtures during CNC machining or welding.
Pallet Stop & Lift
6136 N at 0.5 MPa raises or stops heavy pallets on conveyor lines. The built-in magnet confirms end-of-stroke with a DMSG sensor.
Press-Fit Assembly
Delivers controlled, high-force insertion for bearings or bushings. The adjustable air cushion decelerates the 32 mm rod smoothly at stroke end.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC125X200SFA the Right Cylinder?
For higher force in the same 200 mm stroke, the SC160 bore steps up to 10053 N at 0.5 MPa; for a lighter, faster actuator, the SC100 bore provides 3927 N. The SC125 is an ISO 6430 class cylinder with a speed range of 30-500 mm/s.
When replacing this cylinder, match five points: 125 mm bore, 200 mm stroke, PT1/2 port thread, FA front flange mounting, and the -S magnet for sensor compatibility. The 200 mm stroke is well within the 1500 mm maximum standard stroke for bore 125, so this is a standard-stroke unit.
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 SC125X200SFA 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.
No. The SC series is a tie-rod cylinder that is shorter than an ISO 15552 cylinder and is not dimensionally interchangeable. It is an ISO 6430 class cylinder at this 125 mm bore. Replace only with another AirTAC SC125 tie-rod cylinder matching the same stroke, FA mount, PT port, and magnet option.
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