The AirTAC Airtac SCD Standard Cylinder SCD200X600 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, 600mm stroke, PT3/4 ports and adjustable end cushioning.
The SCD200X600 is a heavy-duty double-rod pneumatic cylinder that produces an identical 15080 N of force in both extend and retract at 0.5 MPa, rising to 27143 N at the maximum operating pressure of 0.9 MPa. Its 40 mm diameter piston rod passes through both end caps, providing a robust rear rod connection for mounting tooling, stoppers, or external sensors, and ensuring perfectly symmetrical thrust for applications that demand balanced motion.
With a 200 mm bore and a 600 mm stroke, this tie-rod cylinder features a 33 mm adjustable air cushion at each end to decelerate large inertial loads smoothly. The body length A(SCD) is 362 mm, and the G3/4 port supplies ample flow for consistent cycle times. This model is built for demanding industrial tasks where a single-rod cylinder's unequal force would compromise the process.
| Model | Airtac SCD Standard Cylinder SCD200X600 |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø200 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, 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. |
| ×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 15080 N push and pull force makes the SCD200X600 ideal for heavy transfer shuttles that must move a pallet or fixture in both directions with identical speed and power, eliminating process variation.
Use the front and rear rod extensions to mount two opposing forming or clinching tools. One cylinder stroke performs a simultaneous operation on both sides of a workpiece, doubling throughput in a compact footprint.
The rear rod can be mechanically linked to a slave cylinder or a linear encoder for precise synchronization. This configuration is perfect for large lifting beams where maintaining a level platform under a 15 kN load is critical.
Choose the SCD200X600 when your mechanism requires a substantial 15 kN of force in both directions. If your load demands even higher thrust, the SCD250 series provides 23562 N at the same 0.5 MPa. For applications where only one side of the piston needs to actuate a load, the single-rod SC200 series offers a higher push force from the full piston area and is a more economical choice. The through-rod design provides better guidance than a single rod, but for significant side loads or long strokes, an external guide rail or a dedicated guided cylinder is necessary to prevent rod bending.
This is a direct replacement for an existing AirTAC SCD200 double-rod cylinder, matching bore, stroke, PT port thread, and basic mounting. For a drop-in swap, ensure the magnet option (-S) and seal material also align with your original unit. For strokes of 600 mm, always assess the unsupported rod length under compressive load to avoid buckling.
Double-rod checklist
Because it is a double-rod cylinder, the push and pull forces are identical. The effective piston area is calculated by subtracting the 40 mm rod area from the 200 mm bore area. This results in 15080 N at 0.5 MPa, 21111 N at 0.7 MPa, and 27143 N at the maximum operating pressure of 0.9 MPa.
Select the SCD when your application requires perfectly equal force and speed in both directions, or when you need a rear rod extension to mount a sensor flag, a mechanical stop, or secondary tooling. The through-rod also provides better bearing support and inherent anti-rotation compared to a single-rod SC cylinder, which is advantageous for guiding a load without adding external rails.
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