The AirTAC Airtac SCD Standard Cylinder SCD32X75 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, 75mm stroke, PT1/8 ports and adjustable end cushioning.
The SCD32X75 is a compact double-rod pneumatic cylinder that outputs identical force in both directions—345 N at 0.5 MPa—because the 12 mm rod passes through both end caps. This symmetry makes it ideal for applications where a tool or sensor flag must be mounted on the rear rod, or where consistent speed is needed in both extend and retract.
With a 75 mm stroke, it fits neatly into space-constrained transfer mechanisms. The body length A(SCD) is 187 mm, and the adjustable air cushion (21 mm) at each end smoothly decelerates the piston, protecting the end caps from impact. Ports are PT1/8, and the rod thread is M10x1.25.
| Model | Airtac SCD Standard Cylinder SCD32X75 |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø32 mm |
| Rod diameter | Ø12 mm (both ends) |
| Stroke | 75 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. |
| ×75 | 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.
Operates a linkage or lever from both ends of the cylinder, using the front rod to push and the rear rod to pull a secondary mechanism simultaneously.
The rear rod provides a convenient mounting point for a sensor flag or cam, enabling end-of-stroke detection without adding brackets to the cylinder body.
The dual-rod design offers better resistance to rod rotation than a single-rod cylinder, useful for maintaining the orientation of a small attached tool.
Choose the SCD32X75 when you need a balanced, double-ended actuator in a small footprint. If you require more force, stepping up to the SCD40 bore provides 528 N of thrust at the same 0.5 MPa pressure. For applications where only one rod end is needed, the single-rod SC32 series is a more economical choice. When replacing an existing cylinder, ensure a 5-point match: 32 mm bore, 75 mm stroke, PT1/8 ports, the specific SCD mounting accessory (if any), and the magnet option (-S) if sensors are used.
Double-rod checklist
The push and pull forces are equal. At 0.5 MPa, it delivers 345 N; at 0.7 MPa, 483 N; and at the maximum operating pressure of 0.9 MPa, it outputs 621 N. The theoretical force at 1.0 MPa is 70 kgf.
Choose the SCD when you need a rod on both ends for mounting tooling, a sensor flag, or a mechanical stop. It also provides equal force and speed in both directions and better guidance for the rod, reducing side-load wear on the bearings compared to a single-rod cylinder.
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