The AirTAC Airtac SCD Standard Cylinder SCD32X180S 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, 180mm stroke, PT1/8 ports and adjustable end cushioning.
The SCD32X180S is a compact double-rod pneumatic cylinder that delivers exactly 345 N of force in both directions at 0.5 MPa, thanks to its symmetrical piston design with a 12 mm rod passing through both end caps. This through-rod construction gives you equal speed and thrust for push and pull strokes, making it ideal for two-sided tooling or applications where you need to mount a sensor flag or stopper on the rear rod end.
This model includes a built-in magnet (-S suffix), so you can clamp CMSG, DMSG, or EMSG reed or solid-state sensors directly onto the tie-rod barrel for non-contact position sensing. With a 180 mm stroke, PT1/8 ports, and an M10x1.25 rod thread, it fits neatly into light automation tasks. The adjustable air cushion (21 mm length) decelerates the piston smoothly at each end, and the body length A is 187 mm.
| Model | Airtac SCD Standard Cylinder SCD32X180S |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø32 mm |
| Rod diameter | Ø12 mm (both ends) |
| Stroke | 180 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. |
| ×180 | 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 rod extending from both ends lets you mount tooling on either side, performing work in both directions with identical 345 N force at 0.5 MPa.
Use the rear rod to carry a sensor flag or cam. The built-in magnet works with CMSG/DMSG sensors on the barrel for full-stroke electronic position feedback.
The dual-rod support provides better guidance than a single-rod cylinder, helping to resist rotation in light push/pull and transfer tasks without a separate guide.
Choose the SCD32 when your application needs balanced bidirectional force in a small envelope. If 345 N at 0.5 MPa is too light, step up to the SCD40, which provides 528 N under the same pressure. This double-rod design is the right pick when you need to attach tooling or a cam to both rod ends; if you only need force from one side, the single-rod SC series is a simpler, more cost-effective alternative. For a drop-in replacement, match the 32 mm bore, 180 mm stroke, PT port thread, basic mounting, and the -S magnet option.
Double-rod checklist
Because the 12 mm rod passes through both ends, the effective piston area is identical in both directions. The force is 345 N at 0.5 MPa, 483 N at 0.7 MPa, and reaches 621 N at the maximum operating pressure of 0.9 MPa.
Pick the SCD when you need equal force and speed in both directions, or when you must mount tooling, a stop, or a sensor target on the rear rod. The through-rod also provides better bearing support than a single-rod cylinder, helping to resist minor side loads and rod rotation.
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