The AirTAC Airtac SC40 Standard Cylinder SC40X800 is a genuine double-acting standard air cylinder with a Ø40mm bore and 800mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The AirTAC SC40X800 is a double-acting tie-rod cylinder delivering 628 N of push force at 0.5 MPa (1130 N at 0.9 MPa). With an 800 mm stroke and a 16 mm diameter piston rod, this model is well-suited for medium-reach linear tasks in material handling and automation where consistent pneumatic power is required.
The body length A measures 142 mm, giving a total extended length of approximately 942 mm. Its 21 mm adjustable air cushion at each end decelerates the piston smoothly, reducing end-of-stroke impact. The PT1/4 ports and M12x1.25 rod thread are standard for this bore class.
| Model | Airtac SC40 Standard Cylinder SC40X800 |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 800 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. |
| ×800 | 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 800 mm stroke provides ample reach to push cartons or totes off a main conveyor line onto a spur. The 628 N force at 0.5 MPa easily handles medium-weight packages.
Moves components between two machining stations or assembly nests 800 mm apart. The adjustable cushion protects the workpiece and tooling from vibration at the end of travel.
Opens and closes a discharge gate on a bulk material hopper. The double-acting function provides positive control for both opening and closing strokes.
For applications needing more force, stepping up to the 50 mm bore SC50 series provides 982 N of push force at the same 0.5 MPa pressure. If a shorter, more compact cylinder is acceptable, the 32 mm bore SC32 offers 402 N. For this 800 mm stroke, ensure the rod is not subjected to significant side loading; an external guide rail or a guided cylinder is recommended to prevent rod bending and premature bearing wear. When replacing an existing unit, match the 40 mm bore, 800 mm stroke, PT1/4 port thread, basic mounting, and confirm the magnet option (this model has no built-in magnet).
Quick checklist
At 0.5 MPa, the push force is 628 N and the pull force is 528 N. At the maximum operating pressure of 0.9 MPa, the push force increases to 1130 N. The theoretical maximum force at 1.0 MPa is 128 kgf.
No, pneumatic cylinders are designed for axial loads. With an 800 mm stroke and a 16 mm rod, applying a side load will cause the rod to bend and damage the rod bearing and seals. You must use an external linear guide or a guided cylinder to absorb any transverse forces.
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