Airtac SC50 Standard Cylinder SC50X205S
The AirTAC Airtac SC50 Standard Cylinder SC50X205S is a genuine double-acting standard air cylinder with a Ø50mm bore and 205mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke205 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X205S
The AirTAC SC50X205 is a double-acting tie-rod cylinder with a 50 mm bore and a non-standard 205 mm stroke, extending the standard 1200 mm maximum for this bore size. It generates 982 N of push force at 0.5 MPa and up to 1767 N at 0.9 MPa, driven by a 20 mm diameter piston rod with an M16x1.5 male thread.
This model features a 21 mm adjustable air cushion at each end to decelerate the piston smoothly, reducing end-of-stroke impact. The body length A is 150 mm, making the total extended length approximately 355 mm. It uses PT1/4 ports and TPU seals for a standard operating temperature range of -20 to +70 °C.
Airtac SC50 Standard Cylinder SC50X205S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X205S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 205 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 SC50X205S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×205 | 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 SC50X205S Is Used
Material Handling Gates
The 982 N force at 0.5 MPa is well-suited for actuating diverter gates and stops on light-to-medium conveyor systems, providing reliable part sorting with a 205 mm stroke.
Clamping & Fixturing
Delivers consistent clamping force for woodworking or light metal fabrication jigs. The 20 mm rod and adjustable cushion ensure stable, repeatable hold-down without part damage.
Agricultural Equipment Actuation
Operates chute controls or bin gates on farming machinery. The TPU seals handle standard outdoor temperature swings from -20 to +70 °C effectively.
Is the Airtac SC50 Standard Cylinder SC50X205S the Right Cylinder?
For applications requiring slightly less force, consider stepping down to the 40 mm bore SC40 series, which provides 628 N at 0.5 MPa. If your load demands more thrust, the 63 mm bore SC63 series offers 1559 N at the same pressure. This 205 mm stroke is non-standard, so verify lead times for this made-to-order length.
When replacing an existing cylinder, match these five points exactly: 50 mm bore, 205 mm stroke, PT1/4 port thread, basic mounting (no brackets), and the absence of a magnet. For strokes over 300 mm, an external guide or guided cylinder is recommended to protect the rod bearing from side loads, but at 205 mm this unit is well within standard unsupported rod limits for axial loads.
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 SC50X205S FAQ
At 0.5 MPa, the push force is 982 N and the pull force is 825 N. At the maximum operating pressure of 0.9 MPa, the push force reaches 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
No. The AirTAC SC series is a tie-rod cylinder with a shorter body length than an ISO 15552 profile cylinder, so it is not dimensionally interchangeable. It is a direct replacement only for another AirTAC SC50 cylinder with the same bore, stroke, port thread, and mounting configuration.
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