Airtac SC50 Standard Cylinder SC50X1800
The AirTAC Airtac SC50 Standard Cylinder SC50X1800 is a genuine double-acting standard air cylinder with a Ø50mm bore and 1800mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1800 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1800
The AirTAC SC50X1800 is a double-acting pneumatic cylinder engineered for applications requiring an exceptionally long 1800 mm stroke from a 50 mm bore. This non-standard stroke length exceeds the standard maximum of 1200 mm, making it a made-to-order solution for specialized linear motion tasks. With a 20 mm diameter piston rod and M16x1.5 rod thread, it provides a robust connection for tooling, while the PT1/4 port ensures compatibility with common pneumatic fittings.
At the standard operating pressure of 0.7 MPa, this cylinder generates a theoretical pushing force of 1374 N, sufficient for demanding push-pull operations in automated machinery. The adjustable air cushion, with a 21 mm cushion length, effectively decelerates the piston at the end of its travel, protecting the end caps from impact stress. The total extended body length is approximately 1950 mm, requiring careful consideration of mounting and support for the long barrel.
Airtac SC50 Standard Cylinder SC50X1800 Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1800 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1800 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 SC50X1800
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1800 | 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 SC50X1800 Is Used
Long-Reach Material Handling
Ideal for pushing or pulling bins, boxes, or components across wide conveyor gaps or into deep racking systems where a standard stroke cylinder would fall short.
Automated Gluing or Dispensing
Provides the extended linear travel needed for applying adhesives, sealants, or lubricants along lengthy seams or across large workpieces in assembly fixtures.
Agricultural Machinery Actuation
Suitable for remote actuation of gates, chutes, or sorting mechanisms on large-scale planting or harvesting equipment, leveraging the 982 N push force at 0.5 MPa.
Is the Airtac SC50 Standard Cylinder SC50X1800 the Right Cylinder?
Selecting the SC50X1800 involves matching its extended reach to applications where a standard 1200 mm stroke is insufficient. If your force requirement is lower, consider stepping down to the 40 mm bore, which provides 628 N of push force at 0.5 MPa. For higher force needs, the 63 mm bore delivers 1559 N at the same pressure. Due to the 1800 mm stroke, side-load management is critical; the 20 mm rod is susceptible to bending under lateral forces. It is essential to use an external guide rail or rod alignment coupler to prevent rod bearing damage and ensure linear motion integrity. For a direct replacement, match the 50 mm bore, 1800 mm stroke, PT port thread, and basic mounting configuration exactly.
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 SC50X1800 FAQ
At 0.5 MPa (5 bar), the theoretical 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. These values are based on the 50 mm bore and 20 mm rod diameter.
For any stroke over 300 mm, and especially at 1800 mm, you must guide the load externally. Mount the cylinder so the rod operates in pure tension or compression, and use an external linear guide rail or rod alignment coupler. Never allow a side load to act directly on the unsupported rod.
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