The AirTAC Airtac SCD Standard Cylinder SCD32X25 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, 25mm stroke, PT1/8 ports and adjustable end cushioning.
The SCD32X25 is a compact double-rod pneumatic cylinder that outputs an identical 345 N of force in both directions at 0.5 MPa, thanks to its through-rod design. With a 25 mm stroke and a 12 mm rod protruding from both ends, it is ideal for short-throw applications where a tool or sensor flag must be mounted on the rear rod.
This genuine AirTAC tie-rod cylinder features a PT1/8 port and an M10x1.25 rod thread. The adjustable air cushion at each end (21 mm long) decelerates the piston smoothly, protecting end-cap components during high-cycle operation within its 30-800 mm/s speed range.
| Model | Airtac SCD Standard Cylinder SCD32X25 |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø32 mm |
| Rod diameter | Ø12 mm (both ends) |
| Stroke | 25 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. |
| ×25 | 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 and speed in both directions make the SCD32X25 perfect for small part shuttles where forward and return strokes must be identical.
With a rod supported by bearings in both end caps, this cylinder offers enhanced resistance to rod rotation, useful for maintaining the orientation of a small vacuum cup or gripper.
The rear rod extension provides a convenient mounting point for a sensor flag or cam, enabling end-of-stroke detection without interfering with the primary tooling on the front rod.
Choose the SCD32X25 when you need a balanced, short-stroke actuator with equal push-pull force. If 345 N at 0.5 MPa is insufficient, stepping up to the SCD40 bore provides 528 N. For applications requiring only a single working end, the standard SC single-rod series is a lighter and more economical choice. This double-rod cylinder is a direct dimensional replacement only for another AirTAC SCD32X25 with matching PT ports, basic mounting, and no magnet.
Double-rod checklist
Because the piston rod passes through both ends, the effective pressure area is identical in both directions. The force is 345 N at 0.5 MPa, 483 N at 0.7 MPa, and 621 N at the maximum operating pressure of 0.9 MPa.
Select the SCD when you need to attach tooling or a sensor to both ends of the rod, require perfectly equal push and pull forces, or want the improved bearing support and anti-rotation characteristics that a through-rod design provides.
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