Airtac AIRTAC SC125-160 Standard Cylinder SC160X50STC
The AirTAC Airtac AIRTAC SC125-160 Standard Cylinder SC160X50STC is a genuine double-acting standard air cylinder with a Ø160mm bore and 50mm stroke, PT3/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ160 mm
- Stroke50 mm
- Port sizePT3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 29 mm
About the Airtac AIRTAC SC125-160 Standard Cylinder SC160X50STC
The AirTAC SC160X50STC is a double-acting single-rod pneumatic cylinder delivering 10053 N of push force at 0.5 MPa and up to 18095 N at 0.9 MPa. With a 50 mm stroke and a robust 40 mm diameter piston rod, this model is built for short, high-force clamping, pressing, or lifting operations where space along the cylinder axis is limited.
This configuration includes a built-in magnet for direct mounting of CMSG/DMSG/EMSG sensors and a centre trunnion (TC) mount, supplied with the TCM1 bracket (F-SC160TC). The trunnion allows the cylinder to pivot, accommodating angular movement in the load path. The body length A is 239 mm, and the total extended length is approximately 289 mm.
Airtac AIRTAC SC125-160 Standard Cylinder SC160X50STC Technical Specifications
| Model | Airtac AIRTAC SC125-160 Standard Cylinder SC160X50STC |
|---|---|
| Series | SC big-bore tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Stroke | 50 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 AIRTAC SC125-160 Standard Cylinder SC160X50STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 160 | Bore size in mm. |
| ×50 | 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 SC160X50STC Is Used
Heavy Part Clamping
Generates a powerful 10053 N clamping force at 0.5 MPa to secure large weldments or castings in a fixture, with the trunnion mount allowing the cylinder body to pivot freely.
Die Cushion Actuation
Delivers consistent, high-force resistance in a short-stroke metal stamping die cushion, where the adjustable air cushion decelerates the 40 mm rod at end-of-stroke.
Pivoting Lift Assist
Provides a 50 mm lifting stroke on a pivoting lift table or tipper mechanism, with the TC mount handling the angular change and the magnet enabling end-of-stroke position feedback.
Is the Airtac AIRTAC SC125-160 Standard Cylinder SC160X50STC the Right Cylinder?
Select the SC160 for applications requiring up to 18095 N of thrust at the standard maximum operating pressure of 1.0 MPa. If your force requirement is lower, consider stepping down to the SC125 bore, which provides 6136 N push at 0.5 MPa, potentially reducing air consumption and physical footprint. For a longer 50 mm stroke on this large bore, ensure the load is guided externally to prevent any side load from being transmitted to the rod bearing, as the 40 mm rod is designed for axial thrust, not bending moments.
To replace an existing cylinder, match five key points: 160 mm bore, 50 mm stroke, PT port thread, centre trunnion (TC) mounting with TCM1 bracket, and the integrated magnet for sensor compatibility. This tie-rod cylinder is shorter than an ISO 15552 profile and is not dimensionally interchangeable with that standard.
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 SC160X50STC FAQ
At 0.7 MPa operating pressure, the theoretical push force is 14074 N and the pull force on the retract stroke is 9425 N. These values are based on the 160 mm bore and 40 mm rod diameter.
Yes, the TC suffix means the cylinder comes with the TCM1 trunnion bracket (part code F-SC160TC), allowing it to pivot. The adjustable air cushion only decelerates the piston at stroke end; it does not lock or hold the load. For position holding without air pressure, an external rod brake or pilot-operated check valve is required.
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