Airtac SC50 Standard Cylinder SC50X115LB
The AirTAC Airtac SC50 Standard Cylinder SC50X115LB is a genuine double-acting standard air cylinder with a Ø50mm bore and 115mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke115 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X115LB
The SC50X115LB is a genuine AirTAC double-acting tie-rod cylinder delivering 982 N of push force at 0.5 MPa (1767 N at 0.9 MPa). Its 50 mm bore houses a 20 mm diameter piston rod with M16x1.5 male threads, and the 115 mm stroke sits well within the 1200 mm maximum standard stroke for this bore size.
This model is factory-assembled with LB axial foot mounts (part code F-SC50LB) for secure surface mounting. The adjustable air cushion (21 mm cushion length) decelerates the piston smoothly at end-of-stroke, protecting the end caps and reducing noise in continuous cycling applications.
Airtac SC50 Standard Cylinder SC50X115LB Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X115LB |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 115 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 SC50X115LB
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×115 | 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 SC50X115LB Is Used
Conveyor Diverters & Stops
The 982 N push force at 0.5 MPa easily operates diverter gates, part stops, and sorting paddles on light to medium conveyor lines.
Clamping & Pressing Fixtures
Delivers controlled, repeatable clamping force for assembly jigs, drilling fixtures, and light press-fit operations where a 115 mm stroke provides ample clearance.
Agricultural Gate & Hopper Actuation
Rugged tie-rod construction and LB foot mounting suit farm machinery for opening slide gates, chute diverters, and hopper doors in dusty environments.
Is the Airtac SC50 Standard Cylinder SC50X115LB the Right Cylinder?
Choose the SC50 when your application needs roughly 1000 N of push force at standard plant air. If you need more force, step up to the SC63 bore (1559 N at 0.5 MPa); for a lighter, more compact solution, the SC40 delivers 628 N. The 115 mm stroke is standard and readily available.
For replacement, match five points: 50 mm bore, 115 mm stroke, PT port thread, LB foot mounting, and confirm the magnet option (this model has no built-in 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 SC50X115LB FAQ
At 0.5 MPa the push force is 982 N and the pull force is 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.
This model ships with the LB foot mount. You can order the rear clevis bracket separately (F-SC50CA for single clevis or F-SC50CB for double clevis) and swap it in the field. The cylinder body is identical across mounting styles.
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