The AirTAC Airtac SC40 Standard Cylinder SC40X300FA is a genuine double-acting standard air cylinder with a Ø40mm bore and 300mm stroke, PT1/4 air ports and adjustable end cushioning. It is used for push, pull, lift and clamp motion in industrial automation.
The SC40X300FA is a 40 mm bore, 300 mm stroke double-acting pneumatic cylinder with a front rectangular flange (FA) for secure panel or bulkhead mounting. Operating on filtered air at 0.15–1.0 MPa, it generates a push force of 628 N at 0.5 MPa and up to 1130 N at 0.9 MPa, driven by a 16 mm diameter piston rod with an M12x1.25 thread.
This model includes a PT1/4 port and an adjustable air cushion (21 mm length) to decelerate the piston smoothly at end-of-stroke. The body length A is 142 mm, giving a total extended length of approximately 442 mm. As a genuine AirTAC SC tie-rod cylinder, it offers a compact, serviceable design that is shorter than an ISO 15552 profile cylinder.
| Model | Airtac SC40 Standard Cylinder SC40X300FA |
|---|---|
| Series | SC standard tie-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 300 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. |
| ×300 | 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 300 mm stroke and 628 N push force at 0.5 MPa make this cylinder ideal for ejecting lightweight parts from a conveyor or assembly nest, with the front flange providing a rigid, fixed mounting point.
Use the FA front flange to mount the cylinder directly through a fixture plate for a clean, perpendicular clamping action, holding workpieces with up to 1130 N of force at 0.9 MPa during machining or bonding.
With a 300 mm reach, this cylinder can actuate a diverter gate in a chute or sorting system. The tie-rod construction allows for easy on-site seal maintenance in dusty environments.
Choose the SC40 when your application needs roughly 628 N of push force at standard plant air pressure. If you require more force, stepping up to the SC50 provides 982 N at 0.5 MPa; for a lighter, more compact solution, the SC32 delivers 402 N. The 300 mm stroke is within the standard range for this bore (max 1200 mm).
At this stroke length, ensure the rod is not subjected to significant side loads. If the load is not guided, consider adding an external linear guide or switching to a guided cylinder to prevent rod bending and premature bearing wear. For direct replacement, match the 40 mm bore, 300 mm stroke, PT port thread, front flange mount (F-SC40FA), and the absence of a 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. The AirTAC SC series is a tie-rod cylinder with a shorter overall body length than an ISO 15552 profile cylinder, so mounting dimensions are not interchangeable. It is a direct replacement only for another AirTAC SC40 tie-rod cylinder with the same stroke, PT port, and FA front flange mount.
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