The AirTAC Airtac SCD Standard Cylinder SCD80X210S is a genuine double-acting DOUBLE-ROD air cylinder: the Ø25mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø80mm bore, 210mm stroke, PT3/8 ports and adjustable end cushioning.
The SCD80X210S is a double-acting, double-rod pneumatic cylinder where the piston rod extends through both end caps, delivering perfectly balanced force and speed in each direction. At 0.5 MPa, it provides 2268 N of thrust both extending and retracting, rising to 4082 N at the maximum operating pressure of 0.9 MPa. The 25 mm diameter rod on both ends offers superior guidance and allows you to mount tooling, a stopper, or a sensor flag on the rear side, making it ideal for symmetrical transfer mechanisms.
This specific model includes a built-in magnet (-S suffix), allowing you to directly clamp CMSG, DMSG, or EMSG reed and solid-state sensors onto the barrel for non-contact position sensing. With a 210 mm stroke, it is well within the 1500 mm maximum standard stroke for the 80 mm bore. The body length A(SCD) is 257 mm, and the adjustable air cushion at each end decelerates the piston smoothly over a 28 mm length to protect your application from impact damage.
| Model | Airtac SCD Standard Cylinder SCD80X210S |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø80 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 210 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/8 |
| Rod thread | M20×1.5 |
| 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, 28 mm |
| Max stroke | Up to 1500 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | 3175 N |
| Max (@1.0 MPa) | 463 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). |
|---|---|
| 80 | Bore size in mm. |
| ×210 | 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 attach tooling to both ends for simultaneous push-pull or transfer operations, keeping forces perfectly balanced at 2268 N at 0.5 MPa.
The built-in magnet on the SCD80X210S allows a CMSG or DMSG sensor to be mounted on the rear barrel, detecting the piston's end-of-stroke position from the back side.
Provides symmetric thrust for a reciprocating shuttle table, ensuring consistent speed and force in both directions without needing a complex control setup.
Select the SCD80X210S when your application needs equal push and pull force for a two-sided task. If you require more thrust, stepping up to the 100 mm bore SCD series provides 3681 N at 0.5 MPa. If your load is only on one end, a single-rod SC cylinder might be a simpler, more compact choice. For direct replacement, match the 80 mm bore, 210 mm stroke, PT port thread, basic mounting, and the built-in magnet. This double-rod design provides better bearing support than a single rod, but if your 210 mm stroke involves a significant side load, an external guide rail or a guided cylinder is necessary to prevent rod bending.
Double-rod checklist
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa, it delivers 2268 N in both directions. At 0.7 MPa, the force is 3175 N, and at the maximum operating pressure of 0.9 MPa, it reaches 4082 N.
A double-rod cylinder provides equal force and speed in both directions, which is essential for symmetrical applications. The rear rod can also be used to mount a secondary tool, a mechanical stop, or a sensor flag, and it offers better rod guidance than a single-rod cylinder.
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