Airtac SC50 Standard Cylinder SC50X150FB
The AirTAC Airtac SC50 Standard Cylinder SC50X150FB is a genuine double-acting standard air cylinder with a Ø50mm bore and 150mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke150 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X150FB
The SC50X150FB is a 50 mm bore double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa (1767 N at 0.9 MPa). Its 150 mm stroke is paired with a 20 mm diameter piston rod and a 21 mm adjustable air cushion at each end, giving you smooth deceleration in a compact tie-rod body that is shorter than an equivalent ISO 15552 cylinder.
This model comes equipped with an FB rear rectangular flange (part F-SC50FB) for secure end-face mounting. The standard PT1/4 port threads and TPU seals suit general industrial air service from -20 to +70 °C. The total body length A is 150 mm, giving an extended length of approximately 300 mm.
Airtac SC50 Standard Cylinder SC50X150FB Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X150FB |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 150 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 SC50X150FB
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×150 | 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 SC50X150FB Is Used
Packaging Gate Actuation
The 150 mm stroke and rear flange mount suit diverting gates on package conveyors, where the 982 N push force reliably shifts cartons at 0.5 MPa line pressure.
Clamping & Fixturing
Delivers 1767 N of clamping force at 0.9 MPa. The FB flange bolts directly to a machine frame, keeping the cylinder rigid during machining or welding operations.
Press Feed Mechanism
The tie-rod construction handles repetitive cycling in stamping press feeds. The adjustable cushion absorbs impact at the 150 mm stroke end, protecting tooling.
Is the Airtac SC50 Standard Cylinder SC50X150FB the Right Cylinder?
Choose the SC50 when your application needs around 1000 N of force at typical plant pressure; if you need more, the SC63 delivers 1559 N at the same 0.5 MPa. For strokes of 300 mm or longer, check side-load conditions—an unsupported 20 mm rod can bend under offset loads, so consider an external guide or a guided cylinder.
To replace an existing unit, match five points: 50 mm bore, 150 mm stroke, PT1/4 ports, FB rear flange mounting, and no magnet. This ensures the same envelope, port location, and mounting interface.
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 SC50X150FB FAQ
At 0.7 MPa the theoretical push force is 1374 N. The pull force on the return stroke is 825 N at 0.5 MPa due to the 20 mm rod reducing the piston area.
This model has an FB rear flange. For front-face mounting, order the FA suffix (SC50X150FA) which provides a rectangular flange on the rod-end head. The mounting bracket part code would be F-SC50FA.
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