Airtac SC125-160 Standard Cylinder SC160X125STC
The AirTAC Airtac SC125-160 Standard Cylinder SC160X125STC is a genuine double-acting standard air cylinder with a Ø160mm bore and 125mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ160 mm
- Stroke125 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 29 mm
About the Airtac SC125-160 Standard Cylinder SC160X125STC
The SC160X125STC is a double-acting pneumatic cylinder delivering 10053 N of push force at 0.5 MPa and up to 18095 N at the maximum operating pressure of 0.9 MPa. With a 40 mm diameter piston rod and a 125 mm stroke, this model is built for heavy linear actuation tasks where a pivoting mount is required.
This configuration includes a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, and a centre trunnion mount (-TC suffix) supplied with the TCM1 bracket (F-SC160TC). The 29 mm adjustable air cushion at each end decelerates the piston smoothly, protecting the end caps during high-speed operation.
Airtac SC125-160 Standard Cylinder SC160X125STC Technical Specifications
| Model | Airtac SC125-160 Standard Cylinder SC160X125STC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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, 29 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 (Ø160mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 10053 N | 9425 N |
| 0.7 MPa | 14074 N | — |
| Max (approx.) | 2050 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC125-160 Standard Cylinder SC160X125STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×125 | 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 SC125-160 Standard Cylinder SC160X125STC Is Used
Heavy Press & Clamping
The 18095 N thrust at 0.9 MPa provides ample force for industrial presses, holding fixtures, and heavy-duty clamping systems in metal fabrication.
Pivoting Conveyor Gates
The centre trunnion mount allows the cylinder to pivot, making it ideal for actuating large diverter gates or sorting mechanisms on heavy material handling lines.
Large Part Ejection
Use this robust cylinder to eject heavy parts from large moulds or to push pallets and heavy loads off a production line with a controlled, cushioned stroke.
Is the Airtac SC125-160 Standard Cylinder SC160X125STC the Right Cylinder?
Select the SC160 bore when your application requires a push force between roughly 10053 N and 18095 N. For a step down in force, the SC125 bore provides 6136 N at 0.5 MPa. For a step up, the SC200 bore delivers 15708 N at the same pressure. This 125 mm stroke is well within the 1500 mm maximum standard stroke for the 160 mm bore.
To ensure a direct replacement, match five key points: 160 mm bore, 125 mm stroke, PT port thread, centre trunnion (TC) mounting with the TCM1 bracket, and the built-in magnet (-S) for sensor compatibility. This is a tie-rod cylinder, not an ISO 15552 profile, so dimensional interchangeability is limited to another AirTAC SC160 of the same configuration.
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 SC125-160 Standard Cylinder SC160X125STC FAQ
At the standard 0.5 MPa operating pressure, the push force is 10053 N and the pull force is 9425 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 18095 N.
No. The SC series is a double-acting cylinder and will not hold its position if air pressure is lost or the directional valve is centered. For load-holding applications, you must add an external rod brake, a mechanical lock, or a pilot-operated check valve.
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