Airtac SC50 Standard Cylinder SC50X300SLB
The AirTAC Airtac SC50 Standard Cylinder SC50X300SLB is a genuine double-acting standard air cylinder with a Ø50mm bore and 300mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke300 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X300SLB
The SC50X300SLB is a double-acting pneumatic cylinder delivering 982 N of push force at 0.5 MPa and up to 1767 N at 0.9 MPa. Its 300 mm stroke is well within the 1200 mm maximum standard range for the 50 mm bore, making it a reliable workhorse for medium-reach linear tasks.
This model features a 20 mm diameter piston rod with M16x1.5 male threads and PT1/4 ports. The built-in magnet (S suffix) allows direct mounting of CMSG/DMSG/EMSG sensors on the tie-rod barrel for end-of-stroke detection. The LB foot mount (F-SC50LB) provides a stable axial base for surface mounting.
Airtac SC50 Standard Cylinder SC50X300SLB Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X300SLB |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 300 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 SC50X300SLB
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×300 | 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 SC50X300SLB Is Used
Material Stops & Gates
The 300 mm stroke and 1374 N push at 0.7 MPa provide ample force to raise and lower product stops or divert gates on packaging and assembly conveyors.
Clamping & Pressing
Delivers consistent clamping force for woodworking jigs, welding fixtures, or light-duty forming presses where a 50 mm bore footprint fits the tooling.
Pusher & Diverter Arms
The LB foot mount stabilizes the cylinder body for straight-line pushing of cartons or totes off a main line, with magnetic sensors confirming full extension and retraction.
Is the Airtac SC50 Standard Cylinder SC50X300SLB the Right Cylinder?
For higher force requirements, stepping up to a 63 mm bore provides 1559 N at 0.5 MPa. With a 300 mm stroke, ensure side loads are minimal; the 20 mm rod can experience bending under high radial forces. For guided motion, consider pairing with an external linear guide.
When replacing this cylinder, match five key points: 50 mm bore, 300 mm stroke, PT port thread, LB foot mounting (F-SC50LB), and the -S magnetic piston for sensor compatibility. This ensures a drop-in fit for existing AirTAC SC installations.
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 SC50X300SLB FAQ
At the standard operating pressure of 0.7 MPa, the push force is 1374 N. The maximum push force at 0.9 MPa is 1767 N, and the theoretical force at 1.0 MPa is 200 kgf.
Yes. The 'S' in the model code indicates a built-in magnet on the piston. This allows you to clamp CMSG (reed) or DMSG/EMSG (solid-state) sensors directly onto the tie-rod barrel to detect piston position.
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