Airtac SC50 Standard Cylinder SC50X117
The AirTAC Airtac SC50 Standard Cylinder SC50X117 is a genuine double-acting standard air cylinder with a Ø50mm bore and 117mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke117 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X117
The AirTAC SC50X117 is a double-acting tie-rod cylinder delivering a push force of 982 N at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa. With a 50 mm bore and a 117 mm stroke, it uses a 20 mm diameter piston rod and PT1/4 ports, making it a compact yet powerful actuator for medium-duty linear tasks.
This model features a body length A of 150 mm, resulting in a total extended length of approximately 267 mm. The adjustable pneumatic cushion (21 mm length) decelerates the piston smoothly at end-of-stroke, reducing impact noise and vibration. It operates on filtered air within a standard temperature range of -20 to +70 °C using durable TPU seals.
Airtac SC50 Standard Cylinder SC50X117 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X117 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 117 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 SC50X117
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×117 | 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 SC50X117 Is Used
Material Stops and Gates
Provides the 982 N force needed to reliably raise and lower product stops or divert gates on medium-capacity conveyor lines.
Clamping and Pressing
Ideal for light-duty assembly jigs and clamping fixtures where a 117 mm stroke provides sufficient clearance for part loading and ejection.
Agricultural Machinery
Actuates sorting chutes or metering doors on seed drills and harvesting equipment, withstanding dusty environments when properly filtered.
Is the Airtac SC50 Standard Cylinder SC50X117 the Right Cylinder?
For applications requiring more force, stepping up to the 63 mm bore SC63 series provides a push force of 1559 N at 0.5 MPa. Conversely, if space is constrained and less force is acceptable, the 40 mm bore SC40 series offers 628 N at the same pressure. Always match the bore, stroke, PT1/4 port thread, and mounting accessory when replacing an existing cylinder.
While the 117 mm stroke is well within the standard range for a 50 mm bore (max 1200 mm), ensure that side loads are managed. For any stroke length, if the rod is subjected to radial forces, an external linear guide or a guided cylinder variant should be used to prevent rod bending and premature seal wear.
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 SC50X117 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, the push force increases to 1767 N. The theoretical maximum force at 1.0 MPa is 200 kgf.
No. The SC series is a double-acting cylinder that requires continuous air pressure to maintain its position. If pressure is exhausted or the directional valve is centered, the piston rod can drift or drop. For load-holding applications, you must add an external mechanical lock, a rod brake, or a pilot-operated check valve.
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