The AirTAC Airtac SCD Standard Cylinder SCD32X25S 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 SCD32X25S is a compact double-rod pneumatic cylinder that delivers identical force in both directions—345 N at 0.5 MPa—thanks to its through-rod design. With a 12 mm rod protruding from both end caps and a short 25 mm stroke, it is ideal for light two-sided tooling, precise end-stop positioning, or non-rotating pusher tasks where space is tight.
This model includes a built-in magnet (-S suffix), allowing CMSG, DMSG, or EMSG reed and solid-state sensors to be clamped directly onto the tie-rod barrel for reliable end-of-stroke detection. The body length A(SCD) is 187 mm, and the cylinder features an adjustable air cushion (21 mm) at both ends to decelerate the piston smoothly, protecting the end caps during high-cycle operation.
| Model | Airtac SCD Standard Cylinder SCD32X25S |
|---|---|
| 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 through-rod design lets you mount tooling on both ends of the 12 mm rod, performing work in both extend and retract strokes with equal 345 N force.
With a rod guided by bearings in both end caps, the SCD32X25S resists rotation better than a single-rod cylinder, making it suitable for light part ejection.
The -S magnet option lets you mount a CMSG sensor on the rear barrel to detect the retracted position, ideal when the front end is obscured by tooling.
Choose the SCD32 bore when your application needs balanced push-pull force around 345 N at standard plant air. If you require more thrust, the SCD40 steps up to 528 N at the same pressure. For applications where only one end of the rod needs to do work, a single-rod SC cylinder may be a simpler, lower-cost alternative. This double-rod unit is the correct replacement for an existing AirTAC SCD32 cylinder when the bore, 25 mm stroke, PT port, basic mounting, and magnet option match exactly. The built-in magnet makes sensor installation tool-free; just snap a CMSG or DMSG switch onto the barrel.
Double-rod checklist
Push and pull forces are identical because the rod passes through both ends. At 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 it reaches 621 N.
Choose the SCD when you need equal force and speed in both directions, want to mount tooling or a sensor flag on the rear rod, or require better rod guidance to resist rotation. If you only need force in one direction, the single-rod SC series is typically more cost-effective.
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