Airtac SC50 Standard Cylinder SC50X1040S
The AirTAC Airtac SC50 Standard Cylinder SC50X1040S is a genuine double-acting standard air cylinder with a Ø50mm bore and 1040mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
- BoreØ50 mm
- Stroke1040 mm
- Port sizePT1/4
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 21 mm
About the Airtac SC50 Standard Cylinder SC50X1040S
The AirTAC SC50X1040S is a double-acting tie-rod cylinder delivering 1374 N push force at 0.7 MPa and 1767 N at the 0.9 MPa maximum operating pressure. Its 20 mm diameter piston rod and 21 mm adjustable air cushion make it suitable for long linear moves requiring end-of-stroke deceleration.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG reed and solid-state sensors to clamp directly onto the barrel for non-contact position sensing. The 1040 mm stroke is within the 1200 mm maximum standard stroke for bore 50, and the body length A is 150 mm, giving a total extended length of approximately 1190 mm.
Airtac SC50 Standard Cylinder SC50X1040S Technical Specifications
| Model | Airtac SC50 Standard Cylinder SC50X1040S |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 1040 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 SC50X1040S
| SC | Standard tie-rod cylinder series. |
|---|---|
| 50 | Bore size in mm. |
| ×1040 | 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 SC50X1040S Is Used
Long-Stroke Part Transfer
Moves components across a 1040 mm span on packaging or assembly lines. The built-in magnet enables mid-stroke sensor confirmation.
Vertical Gate Actuation
Operates a tall material gate or hopper door. The 1767 N push at 0.9 MPa provides ample force, while the adjustable cushion softens the end-of-travel impact.
Automated Glue or Sealant Bead
Drives a dispensing head along a 1040 mm linear path. Magnetic sensors give precise start/stop signals for consistent bead length.
Is the Airtac SC50 Standard Cylinder SC50X1040S the Right Cylinder?
Choose the SC50 for applications needing up to 1374 N at 0.7 MPa. If your force requirement is lower, the SC40 generates 879 N at the same pressure; for higher force, the SC63 delivers 2182 N at 0.7 MPa. For this 1040 mm stroke, side-load management is critical—an unsupported 20 mm rod at full extension can deflect under lateral forces, so use an external linear guide or rod-alignment coupler.
When replacing an existing cylinder, match five points: 50 mm bore, 1040 mm stroke, PT port thread, the built-in magnet (-S), and the basic mounting (no accessory bracket). This is a tie-rod cylinder, not an ISO 15552 profile, so dimensional interchangeability is limited to another AirTAC SC50 of the same stroke and options.
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 SC50X1040S FAQ
At 0.5 MPa it pushes with 982 N and pulls with 825 N. At 0.7 MPa the push force rises to 1374 N, and at the maximum operating pressure of 0.9 MPa it reaches 1767 N. The theoretical maximum at 1.0 MPa is 200 kgf.
No. The SC50X1040S is a double-acting cylinder and will drift or drop if pressure is exhausted or the directional valve is centered. For load holding without live pressure, you must add an external rod brake, a mechanical lock, or a pilot-operated check valve.
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