The AirTAC Airtac SCD Standard Cylinder SCD160X600 is a genuine double-acting DOUBLE-ROD air cylinder: the Ø40mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø160mm bore, 600mm stroke, PT3/4 ports and adjustable end cushioning.
The SCD160X600 is a double-acting, double-rod pneumatic cylinder that generates an identical 9425 N of force in both the extend and retract strokes at 0.5 MPa, thanks to its balanced piston design where the 40 mm rod passes through both end caps. This symmetry eliminates force differentials, making it ideal for applications requiring consistent thrust in two directions, such as operating a transfer mechanism or a dual-sided clamping fixture. At the maximum operating pressure of 0.9 MPa, the output reaches 16964 N, providing substantial power for heavy-duty industrial tasks.
With a 160 mm bore and a 600 mm stroke, this tie-rod cylinder features a 40 mm rod on each end, PT3/4 ports, and an adjustable air cushion length of 29 mm to decelerate the piston smoothly at the end of travel. The body length A is 352 mm, and the overall retracted length is longer than a comparable single-rod model due to the rod protruding from the rear cap. This through-rod configuration offers inherent anti-rotation and better rod guidance than a single-rod cylinder, though it is not a substitute for a fully guided unit under significant side loads.
| Model | Airtac SCD Standard Cylinder SCD160X600 |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 600 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 29 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SCD (double-rod) datasheet. Because the rod runs through both caps, the effective area is (bore² − rod²) in both directions. Confirm against the product label before installation. Thread options: PT (standard) / G.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | 13195 N |
| Max (@1.0 MPa) | 1922 kgf | |
Push and pull are EQUAL on a double-rod cylinder — both chambers lose the rod area, so effective area = (bore² − rod²) each way. Actual usable force is lower than theoretical due to friction and back-pressure; size with a safety margin.
| SCD | Double-rod tie-rod cylinder series (rod out both ends). |
|---|---|
| 160 | Bore size in mm. |
| ×600 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related types: SC (single rod), SCJ (adjustable stroke), SCT (multi-position). SCD mounting: Basic, FA, LB, TC, TCM1. Seals: TPU standard / H = Viton / N = NBR. Thread: blank = PT, G = G thread.
The equal force in both directions makes the SCD160X600 perfect for heavy shuttle tables that move a pallet or fixture between two stations. The rear rod can be used to actuate a secondary mechanism or simply provide a visual stroke indicator for operators.
Use the front rod to apply a clamping force and the rear rod to drive an ejector pin or a confirmation flag. The balanced 9425 N output at 0.5 MPa ensures the tooling on both ends operates with the same consistent power, simplifying pneumatic circuit design.
The through-rod design provides superior resistance to rod rotation compared to a single-rod cylinder. This is critical when pushing a product that must maintain a specific orientation, eliminating the need for an external anti-rotation bracket in many light side-load scenarios.
Select the SCD160 when your application demands equal push and pull force and you need a rear rod extension for mounting a sensor flag, a mechanical stop, or secondary tooling. If the 9425 N output at 0.5 MPa is more than required, stepping down to the SCD125 bore reduces the force to 5734 N at the same pressure, offering a more compact and cost-effective solution. Conversely, if you need to move a heavier load, the SCD200 bore provides 15080 N at 0.5 MPa.
For a 600 mm stroke, be mindful of the long, unsupported rod sections on both ends. Under compressive or tensile loads, rod buckling or bending can occur; always use an external guide rail or consider a guided cylinder if the load is not perfectly axial. This model is a direct replacement for an existing AirTAC SCD160X600 with PT ports and basic mounting. To ensure a drop-in fit, match the bore, stroke, port thread, mounting accessory, and the presence of a magnet sensor option.
Double-rod checklist
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa it outputs 9425 N, at 0.7 MPa it outputs 13194 N, and at the maximum operating pressure of 0.9 MPa it outputs 16964 N. The theoretical force at 1.0 MPa is 1922 kgf.
Choose the SCD when you need perfectly equal force and speed in both directions, or when you require a rod to extend from the rear cap for mounting sensors, stops, or additional tooling. The through-rod also provides better bearing support and inherent anti-rotation, making it a stronger choice for applications with unbalanced loads on the rod end.
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