Airtac SC50 Standard Cylinder SC50X300SN
The AirTAC Airtac SC50 Standard Cylinder SC50X300SN 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 SC50X300SN
The SC50X300SN delivers 982 N of push force at 0.5 MPa and 825 N of pull force, making it a solid mid-range actuator for general industrial automation. Its 20 mm diameter piston rod and 21 mm adjustable air cushion help manage end-of-stroke deceleration across the 300 mm travel.
This model includes a built-in magnet for direct mounting of CMSG/DMSG/EMSG sensors and uses NBR (nitrile) seals, suited for standard temperature environments. The body length A is 150 mm, giving a total extended length of approximately 450 mm.
Airtac SC50 Standard Cylinder SC50X300SN Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X300SN |
|---|---|
| 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 SC50X300SN
| 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 SC50X300SN Is Used
Package Sorting Gates
The 300 mm stroke and 0.5 MPa force are well-suited for diverting medium-weight packages on conveyor lines, with sensor confirmation via the built-in magnet.
Material Clamping
Provides consistent 982 N clamping force for woodworking or light metal fabrication jigs, where NBR seals offer good resistance to common shop oils.
Press-Fit Assembly
Delivers a controlled 1767 N of push force at 0.9 MPa for pressing bushings or bearings into housings in semi-automated assembly stations.
Is the Airtac SC50 Standard Cylinder SC50X300SN the Right Cylinder?
For applications needing more force, stepping up to the 63 mm bore provides 1559 N push at 0.5 MPa, while the 40 mm bore offers 628 N if a smaller footprint is required. At 300 mm of stroke, ensure the rod is not subjected to significant side loads; an external linear guide or a guided cylinder is recommended to prevent rod bearing wear and bending.
When replacing an existing cylinder, match five key points: 50 mm bore, 300 mm stroke, PT port thread, the built-in magnet (-S suffix), and the basic mounting style. This ensures a direct dimensional and functional drop-in.
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 SC50X300SN FAQ
At the standard operating pressure of 0.5 MPa, it generates 982 N extending and 825 N retracting. At the maximum operating pressure of 0.9 MPa, the extending force increases to 1767 N.
Yes. The 'S' in the model code indicates a built-in magnet, allowing you to directly clamp CMSG (reed) or DMSG/EMSG (solid-state) sensors onto the barrel to detect piston position.
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