The AirTAC Airtac SCD Standard Cylinder SCD32X175S 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, 175mm stroke, PT1/8 ports and adjustable end cushioning.
The SCD32X175S is a double-acting, double-rod pneumatic cylinder where the piston rod extends from both ends, providing perfectly symmetrical force and speed in each direction. At 0.5 MPa, it outputs 345 N of thrust both pushing and pulling, a defining advantage for tasks needing balanced motion. This model includes a built-in magnet, allowing easy attachment of CMSG or DMSG sensors directly to the tie-rod barrel for precise end-of-stroke detection.
With a 32 mm bore and a 12 mm rod passing through both caps, the effective piston area is identical on each side, eliminating the force differential common in single-rod cylinders. The 175 mm stroke is well within the 1000 mm maximum for this bore, and the body length A(SCD) is 187 mm. Adjustable air cushioning on both ends, with a 21 mm cushion length, decelerates the piston smoothly, protecting the end caps during high-cycle operations.
| Model | Airtac SCD Standard Cylinder SCD32X175S |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø32 mm |
| Rod diameter | Ø12 mm (both ends) |
| Stroke | 175 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. |
| ×175 | 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 push/pull force of 345 N at 0.5 MPa makes this cylinder ideal for small part shuttles where a tooling plate is mounted on both ends, moving workpieces between two stations with identical speed and force in each direction.
With the built-in magnet (-S), a sensor can be clamped on the barrel to detect piston position. The rear rod provides a perfect mounting point for a sensor flag or cam, enabling compact, non-rotating end-of-stroke confirmation.
The double-rod design inherently resists rotation better than a single-rod cylinder. Use it for light-duty pressing or alignment tasks where maintaining the angular orientation of the tooling on both ends is critical.
Choose the SCD32X175S when your application requires equal bidirectional force and a rear rod extension for mounting a sensor flag, stopper, or secondary tooling. If you need more thrust, step up to the SCD40 series, which provides 528 N at the same 0.5 MPa pressure. For applications where only a single working end is needed, a standard SC single-rod cylinder is a simpler and more cost-effective alternative.
This cylinder is a direct replacement for another AirTAC SCD32 double-rod unit matching the 175 mm stroke, PT port thread, basic mounting, and the -S magnet option. The through-rod design offers better guidance than a single-rod cylinder, but for significant side loads, an external guide rail or a dedicated guided cylinder is still required to prevent rod bending.
Double-rod checklist
Because it is a double-rod cylinder, the push and pull forces are identical. At the standard operating pressure of 0.5 MPa, the force is 345 N. At 0.7 MPa, it is 483 N, and at the maximum operating pressure of 0.9 MPa, the force reaches 621 N.
You would select an SCD when you need a rear rod extension to mount tooling, a stopper, or a sensor flag, or when you require perfectly equal force and speed in both directions. The through-rod also provides better guidance and anti-rotation properties than a single-rod cylinder, leading to longer seal life under symmetric loading.
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