Airtac SC50 Standard Cylinder SC50X115H
The AirTAC Airtac SC50 Standard Cylinder SC50X115H 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 SC50X115H
The AirTAC SC50X115H is a double-acting tie-rod cylinder engineered for high-temperature environments, featuring Viton (FKM) seals that extend the operating range from 0 to +150°C. With a 50mm bore and 115mm stroke, it generates a push force of 982 N at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa, making it a robust mid-range actuator.
This model uses a 20mm diameter piston rod with an M16x1.5 male thread and PT1/4 ports. The total extended body length is approximately 265 mm, based on a 150 mm body length plus the 115 mm stroke. Its adjustable pneumatic cushion (21 mm long) decelerates the piston at end-of-stroke to reduce impact noise and vibration.
Airtac SC50 Standard Cylinder SC50X115H Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X115H |
|---|---|
| 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 SC50X115H
| 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 SC50X115H Is Used
High-Temperature Process Automation
Viton seals allow this cylinder to operate reliably in ovens, autoclaves, and foundry equipment where ambient temperatures reach up to 150°C, ensuring consistent clamping and actuation.
Material Pressing & Forming
With 982 N of push force at 0.5 MPa, the SC50X115H is well-suited for light pressing, stamping, and forming operations in manufacturing cells requiring a compact 115mm stroke.
Hot Part Sorting & Diverting
Deploy this cylinder on conveyor lines to divert or reject hot parts immediately after a thermal process, leveraging its heat-resistant construction for continuous duty.
Is the Airtac SC50 Standard Cylinder SC50X115H the Right Cylinder?
For applications requiring slightly less force, consider stepping down to the 40mm bore SC40 series (628 N push at 0.5 MPa). If higher force is needed, the 63mm bore SC63 delivers 1559 N at the same pressure. When replacing an existing cylinder, ensure an exact match across five key points: 50mm bore, 115mm stroke, PT1/4 port thread, basic mounting (no accessory bracket), and the absence of a built-in magnet. This SC50X115H is a direct replacement only for another AirTAC SC50 tie-rod cylinder with identical specifications.
For strokes of 300 mm or longer, always assess side-load conditions; a long, unsupported 20mm rod can bend under lateral force. In such cases, an external linear guide or a guided cylinder should be used to protect the rod bearings and seals.
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 SC50X115H FAQ
At 0.5 MPa (5 bar), the cylinder delivers 982 N of push force and 825 N of pull force. At the maximum operating pressure of 0.9 MPa, the push force increases to 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
No. The AirTAC SC series is a tie-rod cylinder with a shorter overall body length than an ISO 15552 profile cylinder, so the mounting dimensions are not interchangeable. It is a direct dimensional match only for another AirTAC SC50 tie-rod cylinder with the same bore, stroke, and port thread.
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