Airtac SC50 Standard Cylinder SC50X1700STC
The AirTAC Airtac SC50 Standard Cylinder SC50X1700STC is a genuine double-acting standard air cylinder with a Ø50mm bore and 1700mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1700 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1700STC
This AirTAC SC50X1700STC is a double-acting single-rod pneumatic cylinder with a 50 mm bore and an extended 1700 mm stroke, which exceeds the standard maximum of 1200 mm for this bore, making it a non-standard, made-to-order configuration. The 20 mm diameter piston rod generates a theoretical push force of 1767 N at the maximum operating pressure of 0.9 MPa, providing substantial linear power for long-travel applications.
The model includes a built-in magnet (suffix -S) for direct mounting of CMSG/DMSG/EMSG sensors and a centre trunnion mounting (suffix -TC) with the TCM1 bracket for pivoting motion. With a body length A of 150 mm, the total extended length is approximately 1850 mm. It uses PT1/4 ports and features an adjustable air cushion (21 mm) to decelerate the piston smoothly at the end of its travel.
Airtac SC50 Standard Cylinder SC50X1700STC Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1700STC |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1700 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 SC50X1700STC
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1700 | 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 SC50X1700STC Is Used
Long-Stroke Material Transfer
The 1700 mm stroke and 1767 N of force are ideal for pushing or pulling heavy totes and pallets across wide conveyor transfer stations, especially where the cylinder body pivots on its centre trunnion.
Automated Welding & Clamping
With a built-in magnet for end-of-stroke sensing, this cylinder provides reliable part-present confirmation for automated welding fixtures on long gantry systems, ensuring clamps are fully engaged.
Grain Chute Diverter Gate
The high force and long travel actuate large diverter gates in agricultural processing lines. The centre trunnion mount allows the cylinder to swing, following the gate's arc without binding.
Is the Airtac SC50 Standard Cylinder SC50X1700STC the Right Cylinder?
For a 50 mm bore, this cylinder delivers 982 N of push force at 0.5 MPa. If your application requires more force, consider stepping up to the 63 mm bore which provides 1559 N at the same pressure. For a lighter, more compact solution, the 40 mm bore offers 628 N. When replacing this cylinder, ensure the new unit matches these five critical points: 50 mm bore, 1700 mm stroke, PT port thread, centre trunnion (TC) mounting with the F-SC50TC bracket, and the built-in magnet (-S) for sensor compatibility.
With a stroke of 1700 mm, the unsupported piston rod is highly susceptible to bending under side loads. It is critical to use an external linear guide or a guided cylinder configuration to absorb transverse forces and prevent premature rod bearing wear and seal failure. The centre trunnion mount allows the cylinder to pivot, accommodating the rod's natural deflection if the load path is perfectly axial.
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 SC50X1700STC FAQ
At the maximum operating pressure of 0.9 MPa, the theoretical push force is 1767 N and the pull force is 1485 N. At a standard factory pressure of 0.5 MPa, the push force is 982 N and the pull force is 825 N.
No, it is strongly recommended to use an external guide. The 20 mm diameter rod on a 1700 mm stroke is at high risk of bending under any side load. An external guide or a rodless cylinder configuration is necessary to protect the rod bearings and seals from premature failure.
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