
The AirTAC Airtac SCD Standard Cylinder SCD160X600S 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, 600mm stroke, PT3/4 ports and adjustable end cushioning.
The AirTAC SCD160X600S is a double-acting, double-rod pneumatic cylinder that delivers identical push and pull force—9425 N at 0.5 MPa—thanks to its through-rod design. With a 40 mm diameter rod extending from both ends, it provides superior guidance and anti-rotation compared to a single-rod cylinder, making it ideal for applications where tooling or position sensing must be mounted on the rear rod. The built-in magnet (denoted by the -S suffix) allows CMSG, DMSG, or EMSG sensors to be clamped directly onto the tie-rod barrel for non-contact position feedback.
This 160 mm bore model operates within a 0.15–1.0 MPa pressure range and features an adjustable pneumatic cushion (29 mm length) at both ends to decelerate the piston smoothly. At the maximum operating pressure of 0.9 MPa, it generates a substantial 16964 N of thrust in each direction. The body length A(SCD) is 352 mm, and the unit uses a PT1/2 port with an M36x2 knuckle thread on both rod ends. As a genuine AirTAC product, it is built for reliable, high-force double-ended actuation.
| Model | Airtac SCD Standard Cylinder SCD160X600S |
|---|---|
| Series | SCD double-rod tie-rod cylinder (ISO 6430 class) |
| Bore size | Ø160 mm |
| Rod diameter | Ø40 mm (both ends) |
| Stroke | 600 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. |
| ×600 | 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 9425 N force in both directions and the rod extending from both ends allow a single SCD160X600S to drive two opposing clamp arms simultaneously, ensuring perfectly synchronized clamping on large weldments or assembly jigs.
The rear rod provides a clean mounting point for a sensor flag or cam, while the front rod performs the work. The built-in magnet (-S) enables direct mounting of CMSG/DMSG sensors on the body for mid-stroke position confirmation without external brackets.
With 16964 N of thrust at 0.9 MPa, this cylinder can push and pull a heavy shuttle table or pallet transfer mechanism with identical force in both directions, simplifying pneumatic circuit design and ensuring smooth, predictable motion.
This SCD160X600S suits applications needing balanced, high-force actuation from both ends of the cylinder. If your load requires slightly less force, consider stepping down to the SCD125 bore, which provides 5734 N at 0.5 MPa. For even higher force, the SCD200 bore offers 15080 N at the same pressure. Remember that a double-rod cylinder is chosen for equal speed and force in both directions, not for holding a load; if the position must be maintained without air pressure, an external rod lock or pilot-operated check valve is required.
At a 600 mm stroke, the unsupported rod length on each side can be significant. While the through-rod design offers better bearing support than a single-rod cylinder, it is not a substitute for a fully guided cylinder under substantial side loads. For direct replacement, match the 160 mm bore, 600 mm stroke, PT port thread, basic mounting style, and the integrated magnet (-S) sensor compatibility. The SCD series mounting accessories are limited to FA front flange, LB foot mount, and TC centre trunnion; no FB flange or CA/CB clevis mounts are available.
Double-rod checklist
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa it produces 9425 N, at 0.7 MPa it produces 13194 N, and at the maximum operating pressure of 0.9 MPa it produces 16964 N in both directions. The theoretical force at 1.0 MPa is 1922 kgf.
Choose the SCD when you need identical force and speed in both extend and retract strokes, or when you need to mount tooling, a stopper, or a position sensor on the rear rod. The through-rod also provides better guidance and resistance to rotation than a single-rod cylinder, though it is not a replacement for a fully guided actuator under high side loads.
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