The AirTAC Airtac SCD Standard Cylinder SCD32X100 is a genuine double-acting DOUBLE-ROD air cylinder: the Ø12mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø32mm bore, 100mm stroke, PT1/8 ports and adjustable end cushioning.
The SCD32X100 is a compact double-rod pneumatic cylinder that outputs an identical 345 N of thrust in both directions at 0.5 MPa, making it ideal for tasks where the return stroke must match the power of the advance stroke. With a 12 mm rod protruding from both end caps, it provides a convenient rear attachment point for a sensor flag or secondary tooling.
This 32 mm bore model uses a PT1/8 port and features an adjustable air cushion with a 21 mm length to decelerate the piston smoothly at each end of the 100 mm stroke. The tie-rod construction and through-rod design offer better guidance than a single-rod cylinder of the same size, helping to resist minor twisting forces without adding external guides.
| Model | Airtac SCD Standard Cylinder SCD32X100 |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø32 mm |
| Rod diameter | Ø12 mm (both ends) |
| Stroke | 100 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT1/8 |
| Rod thread | M10×1.25 |
| 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 1000 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 | 346 N | 346 N |
| 0.7 MPa | 484 N | 484 N |
| Max (@1.0 MPa) | 70 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). |
|---|---|
| 32 | Bore size in mm. |
| ×100 | 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 ensures a smooth, consistent motion profile when shuttling small parts between two fixed stops, with the rear rod available to trigger a limit switch.
With a rod on each end, this cylinder can push one component into place on the advance stroke and a second component on the return stroke, doubling the utility of a single actuator.
The dual-rod support provides inherent resistance to rotation, making it suitable for pushing small levers or cams where a single-rod cylinder might twist out of alignment.
Choose the SCD32X100 when your application needs equal push and pull force from both rod ends. If 345 N at 0.5 MPa is insufficient, the next step up is the SCD40 series, which provides 528 N each way. For applications where only one rod end is needed, the standard SC single-rod cylinder is a more economical choice. This double-rod unit is not a substitute for a guided cylinder under significant side loads; if the 100 mm stroke creates a bending moment on the rod, add an external linear guide.
To replace an existing SCD32X100, match the 32 mm bore, 100 mm stroke, PT port thread, and basic mounting configuration. If your original unit had a magnet for sensors, specify the -S suffix on the new order.
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 12 mm rod area from the 32 mm bore area. This gives 345 N at 0.5 MPa, 483 N at 0.7 MPa, and 621 N at the maximum operating pressure of 0.9 MPa.
You would choose the SCD32X100 when you need 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 anti-rotation properties than a single-rod cylinder.
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