The AirTAC Airtac SCD Standard Cylinder SCD63X160STC is a genuine double-acting DOUBLE-ROD air cylinder: the Ø20mm piston rod extends from BOTH end caps, giving equal effective area — and therefore equal force — in push and pull. Ø63mm bore, 160mm stroke, PT1/4 ports and adjustable end cushioning.
The SCD63X160STC is a double-acting, double-rod pneumatic cylinder that outputs an identical 1402 N of force in both directions at 0.5 MPa, thanks to its 20 mm through-rod subtracting the same area from each side. This 160 mm stroke model is built with a centre trunnion (TC) mount and an integrated magnet, making it ready for pivoting applications with direct sensor feedback.
At 0.9 MPa, the thrust reaches 2523 N each way, and the 28 mm air cushion at both ends decelerates the piston smoothly. The body length A(SCD) is 210 mm, and the rod protrudes from both end caps with M16x1.5 male threads, allowing tooling or a rear sensor flag to be attached on the back side.
| Model | Airtac SCD Standard Cylinder SCD63X160STC |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø63 mm |
| Rod diameter | Ø20 mm (both ends) |
| Stroke | 160 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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 | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | 1962 N |
| Max (@1.0 MPa) | 286 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). |
|---|---|
| 63 | Bore size in mm. |
| ×160 | 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 cylinder, perfect for symmetrical clamping or pushing operations where both sides of the piston rod perform work.
With the TC centre trunnion mount, this cylinder can swing to follow an arc, making it suitable for transfer arms or shuttle tables that move parts between two conveyor lines.
The dual-rod construction provides inherent anti-rotation stability, allowing you to push a load without adding an external guide rod, as long as side loads are minimal.
Choose the SCD63 bore when your application needs around 1400 N of balanced force at standard plant pressure. If you require more force, stepping up to the SCD80 delivers 2268 N at 0.5 MPa; for a lighter, more compact solution, the SCD50 provides 825 N. This double-rod design is ideal when you need equal speed and force in both directions, but if your load applies a significant side force, a guided cylinder is a safer choice than relying solely on the dual-rod bearing support.
To replace an existing unit, match all five points: 63 mm bore, 160 mm stroke, PT port thread, the TC centre trunnion mounting kit (which includes the F-SC63TC trunnion and TCM1 bracket), and the built-in magnet (-S suffix) for CMSG/DMSG sensors.
Double-rod checklist
Because it is a double-rod cylinder, the push and pull forces are identical. At 0.5 MPa it produces 1402 N, at 0.7 MPa it produces 1962 N, and at the maximum operating pressure of 0.9 MPa it produces 2523 N in both directions.
Pick the SCD when you need equal force and speed in both directions, or when you want to use the rear rod extension for mounting a sensor flag, a mechanical stop, or secondary tooling. The dual-rod support also offers better guidance than a single-rod cylinder, though it is not a replacement for a fully guided unit under heavy side loads.
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