Airtac SC50 Standard Cylinder SC50X1135S
The AirTAC Airtac SC50 Standard Cylinder SC50X1135S is a genuine double-acting standard air cylinder with a Ø50mm bore and 1135mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1135 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1135S
The AirTAC SC50X1135S is a double-acting tie-rod cylinder with a 50 mm bore and an extended 1135 mm non-standard stroke, built for applications needing a long, controlled linear reach. It generates 982 N of push force at 0.5 MPa and up to 1767 N at the maximum operating pressure of 0.9 MPa, driven by a 20 mm diameter piston rod.
This model includes a built-in magnet (-S suffix), allowing easy mounting of CMSG, DMSG, or EMSG reed and solid-state sensors directly onto the barrel for precise position feedback. With a body length of 150 mm, the total extended length is approximately 1285 mm. The adjustable pneumatic cushion at each end decelerates the piston smoothly over a 21 mm distance.
Airtac SC50 Standard Cylinder SC50X1135S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1135S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1135 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 SC50X1135S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1135 | 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 SC50X1135S Is Used
Long-Reach Part Transfer
The 1135 mm stroke moves components between distant conveyor lines or workstations in automated assembly cells, with sensor feedback confirming end-of-stroke position.
Automated Gluing or Dispensing
Provides the extended linear travel needed for applying a continuous bead of adhesive or sealant along a large workpiece, where consistent speed and position sensing are critical.
Vertical Lifter Gate Actuation
Operates a tall vertical lift gate or hopper door, using the built-in magnet sensors to signal fully open and fully closed status to the main controller for safety interlocking.
Is the Airtac SC50 Standard Cylinder SC50X1135S the Right Cylinder?
This 50 mm bore cylinder is a mid-force workhorse. If your application requires more force, stepping up to a 63 mm bore provides 1559 N at 0.5 MPa. For a lighter, more compact solution, a 40 mm bore delivers 628 N at the same pressure. Given the stroke length of 1135 mm, carefully manage side loads; an unsupported rod of this extension is susceptible to bending under lateral force. Use an external linear guide or consider a guided cylinder for stable, long-stroke motion.
For a direct replacement, match these five key points: a 50 mm bore, an 1135 mm stroke, PT port threads, a built-in magnet for sensors, and the basic (no bracket) mounting configuration. This is a genuine AirTAC SC tie-rod cylinder, which is shorter than a standard ISO 15552 profile and is not a dimensional interchange.
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 SC50X1135S FAQ
At the standard 0.5 MPa operating pressure, 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.
For a stroke of 1135 mm, the rod is susceptible to buckling and side-load bending. You must ensure the load is guided externally with a linear rail system and that the cylinder force is applied purely axially. A rod-alignment coupler or a clevis mounting can also help prevent bending moments on the rod bearing.
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