The AirTAC Airtac SCD Standard Cylinder SCD160X50S 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, 50mm stroke, PT3/4 ports and adjustable end cushioning.
The AirTAC SCD160X50S is a double-acting, double-rod pneumatic cylinder engineered for applications demanding perfectly symmetrical force in both directions. With a 160 mm bore and a 50 mm stroke, this model outputs an identical 9425 N of thrust whether pushing or pulling at 0.5 MPa, thanks to its through-rod design that equalizes the effective piston area on both sides. The 40 mm diameter rod extends from both end caps, providing inherent anti-rotation and the ability to mount tooling or sensors at either end.
This specific SCD160X50S configuration includes a built-in magnet, allowing easy attachment of CMSG, DMSG, or EMSG reed or solid-state sensors directly to the barrel for precise, non-contact position feedback. The cylinder body has a length of 352 mm and features adjustable pneumatic cushioning with a 29 mm cushion length to decelerate the piston smoothly. It operates on filtered air from 0.15 to 1.0 MPa and uses the standard PT port thread.
| Model | Airtac SCD Standard Cylinder SCD160X50S |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 50 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. |
| ×50 | 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.
Ideal for a small press or clamping station where the tooling must apply an equal 9425 N force from either direction, ensuring consistent part contact.
The built-in magnet allows sensors to be mounted on the barrel to detect piston position, while the rear rod can carry a secondary sensor flag for redundant end-of-stroke confirmation.
Used in a fixture where a tool must be advanced and retracted with identical force, such as a broaching or honing operation, leveraging the cylinder's guided through-rod.
When sizing, the SCD160 delivers 9425 N at 0.5 MPa. If your application requires more force, the next step up is the SCD200 bore, which provides 15080 N at the same pressure. For a lighter load, the SCD125 bore offers 5734 N. This double-rod design is the correct choice when you need equal speed and force in both directions or a rear rod extension for mounting a stopper or sensor flag. If your task only requires a single powered direction, the single-rod SC series is a simpler and more economical alternative. For a drop-in replacement, ensure any substitute matches the 160 mm bore, 50 mm stroke, PT port thread, basic mounting, and the -S magnet option.
Double-rod checklist
The push and pull forces are identical because it is a double-rod cylinder. At the maximum operating pressure of 0.9 MPa, both directions produce 16964 N. At 0.7 MPa, the force is 13194 N, and at 0.5 MPa, it is 9425 N.
Choose the SCD when your application requires equal force and speed in both directions, or when you need a rear rod extension to mount tooling, a mechanical stop, or a sensor flag. The through-rod also provides better guidance and anti-rotation than a single-rod cylinder, though it is not a replacement for a fully guided unit under high side loads.
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