The AirTAC Airtac SCD Standard Cylinder SCD160X200S is a genuine double-acting DOUBLE-ROD air cylinder: the Ø40mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø160mm bore, 200mm stroke, PT3/4 ports and adjustable end cushioning.
The SCD160X200S is a large-bore double-rod pneumatic cylinder that outputs an identical 9425 N of thrust in both directions at 0.5 MPa, thanks to its through-rod design where the 40 mm rod passes out of both end caps. This symmetry makes it ideal for heavy two-sided tooling, transfer beams, or any application where a rear rod extension can carry a limit switch flag or secondary mechanism.
With a 200 mm stroke and a body length A(SCD) of 352 mm, this cylinder includes an adjustable air cushion (29 mm) at each end to decelerate high-inertia loads. The integrated magnet, designated by the -S suffix, allows CMSG, DMSG, or EMSG sensors to be mounted directly on the tie-rod barrel for non-contact position sensing. It operates on 40 µm filtered air from 0.15 to 1.0 MPa, with a proof pressure of 1.5 MPa.
| Model | Airtac SCD Standard Cylinder SCD160X200S |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 200 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 29 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 | 9425 N | 9425 N |
| 0.7 MPa | 13195 N | 13195 N |
| Max (@1.0 MPa) | 1922 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). |
|---|---|
| 160 | Bore size in mm. |
| ×200 | 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 allow identical weld guns or clamps to be mounted on each rod end, actuating two stations from one central cylinder with perfect synchronization.
With 9425 N of push-pull force, the SCD160X200S can shift a loaded pallet across a shuttle table. The rear rod can be used to drive a secondary stop gate, simplifying the machine's pneumatic circuit.
The built-in magnet enables CMSG/DMSG sensors to be placed at both ends of the barrel. The rear rod extension provides a perfect mounting point for a hard-stop flag, giving a redundant position verification system.
Select the SCD160 bore when your application needs roughly 9425 N of balanced force at standard plant pressure. If you can work with a lower force, stepping down to the SCD125 bore reduces the output to 5734 N at 0.5 MPa, saving space and air consumption. For a purely single-sided push task, a single-rod SC160 cylinder would provide a higher push force (10053 N at 0.5 MPa) on the full-bore side, but you would lose the rear rod access and the equal pull force.
This 200 mm stroke is well within the 1500 mm maximum for the 160 bore. To replace this model, match the 160 mm bore, 200 mm stroke, PT (Rc) port thread, the SCD double-rod body, and the -S magnet option. For strokes over 300 mm on a through-rod cylinder, always check the unsupported rod length for buckling under the compressive load; use an external guide or switch to a guided cylinder if significant side forces are present.
Double-rod checklist
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa, both directions produce 9425 N. At the maximum operating pressure of 0.9 MPa, the force increases to 16964 N in each direction.
Choose the SCD when you need to mount tooling on both ends of the piston rod, require perfectly equal speed and force for push and pull strokes, or want the inherent anti-rotation guidance that a through-rod provides. If you only need to push from one side, a single-rod SC160 would be a more economical choice.
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