The AirTAC Airtac SC40 Standard Cylinder SC40X1040 is a genuine double-acting standard air cylinder with a Ø40mm 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.
The SC40X1040 is a double-acting pneumatic cylinder from the AirTAC SC tie-rod series, combining a 40 mm bore with a 1040 mm stroke. It generates a push force of 628 N at 0.5 MPa and 1130 N at the maximum operating pressure of 0.9 MPa, driven by a 16 mm diameter piston rod.
With a compact body length of 142 mm, the total extended length reaches approximately 1182 mm. The cylinder features an adjustable air cushion (21 mm length) at both ends to decelerate the piston smoothly, and it uses PT1/4 port threads for standard pneumatic connections.
| Model | Airtac SC40 Standard Cylinder SC40X1040 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 1040 mm |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (approx.) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| SC | Standard tie-rod cylinder series. |
|---|---|
| 40 | 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.
The 1040 mm stroke is ideal for pushing or pulling products across wide conveyor gaps or between distant process stations in packaging lines.
Provides the extended linear motion needed to open and close large access panels or safety doors on automated machinery enclosures.
Delivers the long travel required to actuate diverter gates in logistics sortation systems, reliably directing parcels down different chutes.
For applications needing more force, the 50 mm bore SC50 series provides 982 N of push force at the same 0.5 MPa. If a shorter, more rigid setup is preferred, the 32 mm bore SC32 offers 402 N. At a 1040 mm stroke, side loads must be carefully managed; an external guide or guided cylinder is recommended to protect the 16 mm rod and rod bearing from bending moments.
When replacing this cylinder, match five key points: the 40 mm bore, 1040 mm stroke, PT1/4 port thread, basic (no bracket) mounting, and the absence of a built-in magnet. This ensures a direct dimensional and performance fit for an AirTAC SC tie-rod unit.
Quick checklist
At 0.5 MPa, it delivers 628 N pushing and 528 N pulling. The force increases to 879 N push at 0.7 MPa, and reaches a maximum of 1130 N push at the 0.9 MPa operating limit.
For strokes of this length, side loads can cause the 16 mm rod to bend. Always align the load axially with the rod. For any off-axis force, use an external linear guide rail or a guided cylinder variant to absorb the bending moment and protect the rod bearings.
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