Airtac SC50 Standard Cylinder SC50X115
The AirTAC Airtac SC50 Standard Cylinder SC50X115 is a genuine double-acting standard air cylinder with a Ø50mm bore and 115mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke115 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X115
The SC50X115 is a double-acting tie-rod cylinder delivering 982 N of push force and 825 N of pull force when operated at 0.5 MPa. With a 50 mm bore and 115 mm stroke, this model sits in the mid-range of the SC family, using a 20 mm diameter piston rod and PT1/4 ports for straightforward pneumatic integration.
At the maximum operating pressure of 0.9 MPa, the push force reaches 1767 N, providing a robust power reserve for clamping and pressing tasks. The body length A is 150 mm, resulting in a total extended length of approximately 265 mm. Its adjustable air cushion, with a 21 mm cushion length, effectively decelerates the piston at end-of-stroke to reduce impact noise and vibration.
Airtac SC50 Standard Cylinder SC50X115 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X115 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 115 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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 – 800 mm/s |
| Cushion | Adjustable, 21 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (approx.) | 200 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SC50 Standard Cylinder SC50X115
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×115 | 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 SC50 Standard Cylinder SC50X115 Is Used
Material Stops & Gates
Provides the 982 N push force needed to reliably raise and lower stop gates on conveyor lines, controlling the flow of packaged goods with a compact 115 mm stroke.
Light Assembly Presses
Ideal for small benchtop press-fit operations. The 20 mm rod and adjustable cushion allow for smooth, controlled insertion of bearings or bushings without impact damage.
Clamping Fixtures
Delivers consistent holding force for jigs and fixtures in woodworking or metalworking. The double-acting design ensures positive retraction for quick part changeover.
Is the Airtac SC50 Standard Cylinder SC50X115 the Right Cylinder?
Select the SC50X115 when your application requires a force capability between the smaller 40 mm bore (628 N at 0.5 MPa) and the larger 63 mm bore (1559 N at 0.5 MPa). This 115 mm stroke is well within the 1200 mm maximum standard stroke for the 50 mm bore, ensuring standard lead times. Always confirm that your load is guided externally to prevent side-load forces from acting on the rod bearing.
For a direct replacement, ensure five points match: 50 mm bore, 115 mm stroke, PT1/4 port thread, basic mounting (no accessory brackets), and the absence of a built-in magnet. This model uses the standard TPU seal and PT thread 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 SC50 Standard Cylinder SC50X115 FAQ
At 0.7 MPa operating pressure, the SC50X115 generates a theoretical push force of 1374 N and a pull force of 1155 N (calculated from the 825 N pull force at 0.5 MPa). The maximum push force at 0.9 MPa is 1767 N.
No. The AirTAC SC series is a tie-rod cylinder that is physically shorter than an ISO 15552 profile cylinder. The mounting dimensions and body length are not interchangeable. It is a direct replacement only for another AirTAC SC50 tie-rod cylinder with matching stroke, port thread, and mounting style.
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