Airtac SC50 Standard Cylinder SC50X205
The AirTAC Airtac SC50 Standard Cylinder SC50X205 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 SC50X205
The SC50X205 is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 50 mm bore with a 205 mm stroke. At 0.5 MPa it provides 982 N of push force and 825 N of pull force, driven by a 20 mm diameter piston rod with M16x1.5 male threads.
This model features a body length A of 150 mm and an adjustable air cushion of 21 mm at each end to decelerate the piston quietly. The standard PT1/4 port supplies filtered air from 0.15 to 1.0 MPa, and the TPU seals suit a working temperature range of -20 to +70 °C.
Airtac SC50 Standard Cylinder SC50X205 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X205 |
|---|---|
| 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 SC50X205
| 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 SC50X205 Is Used
Package Sorting Gate
The 205 mm stroke and 982 N push force at 0.5 MPa reliably divert cartons on a conveyor line, with adjustable cushioning to reduce impact at end-of-stroke.
Clamping & Fixturing
Delivers steady holding force for jigs and work-holding fixtures in CNC machining. The 20 mm rod resists deflection under direct axial loads.
Lift-Assist Mechanism
Used in a vertical lift-assist for tote bins, the 825 N pull force at 0.5 MPa retracts a platform smoothly. Always use an external guide or rod brake to hold position when air is off.
Is the Airtac SC50 Standard Cylinder SC50X205 the Right Cylinder?
Choose the SC50X205 when your application needs around 980 N of push force at standard shop air. If you require more force, the 63 mm bore delivers 1559 N at the same 0.5 MPa; for a lighter, more compact solution the 40 mm bore offers 628 N. The 205 mm stroke is well within the 1200 mm maximum standard stroke for this bore.
For trouble-free replacement, match five points: 50 mm bore, 205 mm stroke, PT1/4 port thread, basic mounting (no bracket), and no magnet. The SC is a tie-rod cylinder and is not dimensionally interchangeable with ISO 15552 profile cylinders.
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 SC50X205 FAQ
At 0.5 MPa the cylinder pushes with 982 N and pulls with 825 N. At the maximum operating pressure of 0.9 MPa, push force reaches 1767 N. The theoretical maximum 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 mounting dimensions and accessories are not interchangeable. It replaces another AirTAC SC50 cylinder with the same stroke, port, and mounting.
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