The AirTAC Airtac SCD Standard Cylinder SCD200X500 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. Ø200mm bore, 500mm stroke, PT3/4 ports and adjustable end cushioning.
The SCD200X500 is a heavy-duty double-rod pneumatic cylinder engineered for applications demanding identical thrust in both directions. With a 200 mm bore and a 40 mm through-rod extending from both end caps, it generates a balanced 15080 N of force each way at 0.5 MPa, rising to 27143 N at the maximum operating pressure of 0.9 MPa. The body length A(SCD) is 362 mm, and the large 33 mm adjustable air cushion at each end effectively decelerates high-inertia loads.
This tie-rod cylinder is built for robust industrial tasks where a rear rod extension is needed for mounting external position sensors, dual tooling, or a mechanical stop. Because the effective piston area is identical on both sides, speed and force remain symmetric throughout the cycle, simplifying pneumatic circuit design. The PT3/4 ports and M36x2 rod threads handle substantial flow and mechanical connection, making this genuine AirTAC actuator a workhorse for large-scale automation.
| Model | Airtac SCD Standard Cylinder SCD200X500 |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 500 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, 33 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 | 15080 N | 15080 N |
| 0.7 MPa | 21111 N | 21111 N |
| Max (@1.0 MPa) | 3075 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). |
|---|---|
| 200 | Bore size in mm. |
| ×500 | 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 15080 N force in both directions moves heavy pallets or frames smoothly between stations, with the rear rod available to actuate a secondary clamp or trigger a limit switch.
Ideal for press-fit operations where the return stroke must apply the same controlled force to extract a mandrel or stripper plate, using the 27143 N thrust at 0.9 MPa.
The through-rod design allows tooling to be mounted on both ends, enabling a single SCD200X500 cylinder to sequentially operate two separate mechanisms in a compact footprint.
Select the SCD200X500 when your mechanism requires equal push and pull force of 15080 N at 0.5 MPa and a 500 mm stroke. If your load demands higher thrust, the SCD250 bore provides 23562 N at the same pressure. For applications needing force in only one direction, a single-rod SC200 cylinder offers a higher push force because the full bore area is available on the extension stroke. At this 500 mm stroke length, ensure the dual rod assembly is not subjected to significant side loading; if lateral forces are present, pair the cylinder with an external linear guide or switch to a guided cylinder to prevent rod bending and premature seal wear. For a drop-in replacement, match the 200 mm bore, 500 mm stroke, PT3/4 port thread, basic mounting configuration, and the absence of a magnet option.
Double-rod checklist
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa it delivers 15080 N, at 0.7 MPa it provides 21111 N, and at the maximum operating pressure of 0.9 MPa it reaches 27143 N in both directions.
Choose the SCD200 when you need perfectly symmetric force and speed for both extend and retract strokes, or when you require a rear rod extension to mount sensors, cams, or secondary tooling. The single-rod SC200 provides a higher push force on the extend stroke but a lower pull force on retract, which is unsuitable for applications needing balanced bidirectional power.
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