Airtac SC50 Standard Cylinder SC50X1100STC
The AirTAC Airtac SC50 Standard Cylinder SC50X1100STC is a genuine double-acting standard air cylinder with a Ø50mm bore and 1100mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1100 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1100STC
The AirTAC SC50X1100STC is a double-acting single-rod pneumatic cylinder delivering 982 N of push force at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa. With a 50 mm bore and an 1100 mm stroke, this model features a 20 mm diameter piston rod and PT1/4 ports, making it a robust choice for long linear movements in automation.
This configuration includes a built-in magnet (-S suffix) for direct mounting of CMSG/DMSG/EMSG sensors, and the centre trunnion mount (-TC suffix) with the TCM1 bracket for pivoting applications. The adjustable air cushion at each end, with a 21 mm cushion length, decelerates the piston smoothly to reduce end-of-stroke impact.
Airtac SC50 Standard Cylinder SC50X1100STC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1100STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1100 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 SC50X1100STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1100 | 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 SC50X1100STC Is Used
Long-Reach Material Transfer
Ideal for pushing or pulling products across wide conveyor gaps or between stations, where the 1100 mm stroke provides the necessary extended reach without complex linkages.
Automated Welding Fixtures
The centre trunnion mount allows the cylinder body to pivot, accommodating the articulation of welding arms or clamps, while the magnetic piston enables precise position sensing for process control.
Vertical Pallet Lift Gates
Used in gravity-fed pallet systems to control the release of pallets one at a time, with the long stroke acting as a robust, pivoting gate mechanism.
Is the Airtac SC50 Standard Cylinder SC50X1100STC the Right Cylinder?
For applications requiring more force, consider stepping up to the 63 mm bore (SC63 series) which provides 1559 N at 0.5 MPa. If a shorter, more compact solution is acceptable, the 40 mm bore offers 628 N. For this 1100 mm stroke, side-load management is critical; an external linear guide or rod support is strongly recommended to prevent rod bending and premature bearing wear. When replacing, ensure a match on all five key points: 50 mm bore, 1100 mm stroke, PT port thread, centre trunnion (TC) mounting, and the built-in magnet for sensor compatibility.
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 SC50X1100STC FAQ
At the standard factory pressure of 0.5 MPa, the cylinder provides 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.
No. As a standard double-acting cylinder, the SC50X1100STC will not hold its position if air pressure is removed or the directional valve is centered. The piston can drift or drop. For load holding, you must add an external mechanical lock, a rod brake, or a pilot-operated check valve.
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