Airtac SC50 Standard Cylinder SC50X1550S
The AirTAC Airtac SC50 Standard Cylinder SC50X1550S is a genuine double-acting standard air cylinder with a Ø50mm bore and 1550mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1550 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1550S
The AirTAC SC50X1550 is a double-acting tie-rod cylinder with a 50 mm bore and an extended 1550 mm stroke, built to order as a non-standard length beyond the typical 1200 mm maximum for this bore. It produces 1374 N of push force at 0.7 MPa and 1767 N at the maximum operating pressure of 0.9 MPa, driven by a 20 mm diameter piston rod.
With a body length A of 150 mm, the total extended length reaches approximately 1700 mm. The cylinder features an adjustable pneumatic cushion (21 mm) to decelerate the piston at end-of-stroke, PT1/4 ports, and an M16x1.5 rod thread. This genuine AirTAC SC unit is suited for long-reach linear tasks where standard strokes fall short.
Airtac SC50 Standard Cylinder SC50X1550S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1550S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1550 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 SC50X1550S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1550 | 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 SC50X1550S Is Used
Long-Reach Material Handling
Extends 1550 mm to push or pull bins, gates, or diverters in conveyor systems where a standard 1200 mm stroke is insufficient.
Automated Panel Transfer
Moves large sheets or panels between workstations in woodworking or metal fabrication lines, using the 1767 N force at 0.9 MPa.
Agricultural Equipment Actuation
Operates remote levers or chute controls on harvesters and spreaders, with the long stroke providing the necessary reach.
Is the Airtac SC50 Standard Cylinder SC50X1550S the Right Cylinder?
For a 50 mm bore at 0.5 MPa, the SC50 delivers 982 N push and 825 N pull. If your load exceeds this, stepping up to the SC63 bore provides 1559 N push at the same pressure. Conversely, if the force is too high, the SC40 bore offers 628 N push at 0.5 MPa. At this 1550 mm stroke, the long, unsupported 20 mm rod is vulnerable to bending under side loads; always use an external linear guide or rod-alignment coupler to protect the rod bearing and seals.
To replace an existing cylinder, match five points exactly: 50 mm bore, 1550 mm stroke, PT1/4 port thread, basic (no bracket) mounting, and no magnet. This ensures dimensional and port compatibility with another AirTAC SC tie-rod cylinder.
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 SC50X1550S FAQ
At 0.5 MPa, it provides 982 N push and 825 N pull. At 0.7 MPa, push force increases to 1374 N. The maximum push force at 0.9 MPa operating pressure is 1767 N.
A 20 mm rod extended to 1550 mm is susceptible to buckling and side-load deflection. Install an external guide rail or rod-alignment coupler to absorb transverse forces, and avoid direct side loading on the rod end.
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