Airtac SC50 Standard Cylinder SC50X300FB
The AirTAC Airtac SC50 Standard Cylinder SC50X300FB 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 SC50X300FB
The AirTAC SC50X300FB is a double-acting tie-rod cylinder delivering 982 N of push force at 0.5 MPa (1374 N at 0.7 MPa), making it a robust mid-range actuator for industrial linear motion. This model features a 300 mm stroke with a 20 mm diameter piston rod and an adjustable air cushion of 21 mm to decelerate the piston smoothly at end-of-travel.
Equipped with an FB rear rectangular flange (accessory F-SC50FB), this cylinder bolts securely to a machine panel or bracket from the cap end, ideal for applications where the cylinder body must be rigidly fixed and the rod extends to push the load. The standard PT1/4 port and TPU seals suit filtered-air systems operating from -20 to +70 °C.
Airtac SC50 Standard Cylinder SC50X300FB Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X300FB |
|---|---|
| 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 SC50X300FB
| 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 SC50X300FB Is Used
Material Transfer Gates
The 982 N push force at 0.5 MPa easily diverts packages or components on a conveyor line, with the FB flange providing a rigid anchor point for repetitive, high-cycle actuation.
Clamping & Fixturing
Ideal for pneumatic clamping jigs in machining or assembly, the 300 mm stroke offers ample reach to secure workpieces, while the adjustable cushion prevents impact damage to delicate parts.
Bin Tipping & Dumping
Mount this cylinder via its rear flange to pivot and tip bins or hoppers in agricultural or logistics settings, leveraging the 1767 N maximum force at 0.9 MPa for heavy, bulk material handling.
Is the Airtac SC50 Standard Cylinder SC50X300FB the Right Cylinder?
For applications requiring more force, consider stepping up to the SC63 bore which provides 1559 N at 0.5 MPa; if space is tight and less force is acceptable, the SC40 delivers 628 N at the same pressure. The 300 mm stroke on this 50 mm bore is within standard limits, but always check for side loads—long unsupported strokes can bend the rod or wear the bearing. Use an external guide or a guided cylinder if radial forces are present.
When replacing an existing cylinder, match five points exactly: 50 mm bore, 300 mm stroke, PT1/4 port thread, FB rear flange mounting, and the absence of a magnet (no -S suffix). This ensures dimensional and performance interchangeability with another AirTAC SC tie-rod cylinder.
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 SC50X300FB FAQ
At 0.5 MPa the push force is 982 N and pull force is 825 N. At 0.7 MPa push force increases to 1374 N. The maximum operating pressure is 1.0 MPa, yielding a theoretical push force of 1767 N (200 kgf).
No. The AirTAC SC series is a tie-rod cylinder that is physically shorter than an ISO 15552 profile cylinder, so mounting dimensions and body length are not interchangeable. Replace only with another AirTAC SC50 tie-rod cylinder matching the same bore, stroke, PT port, and FB rear flange mount.
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