The AirTAC Airtac SCD Standard Cylinder SCD100X60 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. Ø100mm bore, 60mm stroke, PT1/2 ports and adjustable end cushioning.
The SCD100X60 is a double-acting, double-rod pneumatic cylinder that outputs an identical 3681 N of force in both extend and retract strokes at 0.5 MPa, thanks to its through-rod design where the 25 mm rod subtracts the same area from each piston face. This 60 mm stroke model uses a PT1/2 port and provides a 29 mm adjustable air cushion at each end to decelerate the piston smoothly.
With a body length A(SCD) of 263 mm, this cylinder is compact enough for short-stroke, two-sided tooling tasks while the rear rod extension can carry a sensor flag or secondary fixture. The tie-rod construction makes it a robust, serviceable workhorse for industrial automation where symmetric thrust and speed are non-negotiable.
| Model | Airtac SCD Standard Cylinder SCD100X60 |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø100 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 60 mm |
| Rod configuration | Double rod — rod through both caps |
| Acting type | Double acting |
| Port size | PT1/2 |
| 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, 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | 5154 N |
| Max (@1.0 MPa) | 751 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). |
|---|---|
| 100 | Bore size in mm. |
| ×60 | 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 rear rod drives a secondary carriage while the front rod moves the primary load, synchronizing a two-station transfer with perfect mechanical timing from a single cylinder.
With a rod guided on both ends, the SCD100X60 resists twisting better than a single-rod cylinder, making it suitable for pushing uneven loads without adding an external guide rail for short strokes.
A CMSG reed switch clamped to the rear barrel reads a magnet ring on the extended rear rod, providing end-of-stroke confirmation without interfering with the front tooling workspace.
Choose the SCD100 when your application needs balanced push-pull force around 3681 N at 0.5 MPa. If you can accept slightly lower force, stepping down to an SCD80 delivers 2268 N; for heavier demands, the SCD125 provides 5734 N at the same pressure. A double-rod cylinder is the right call when you need to mount tooling or sensors on both ends, but if you only require force from one side, a single-rod SC100 series cylinder is simpler and more cost-effective. For direct replacement, match bore (100 mm), stroke (60 mm), PT port thread, and ensure the mounting accessory (if any) is from the SCD subset—basic, FA, LB, or TC.
Double-rod checklist
Because the 25 mm rod passes through both ends, the effective piston area is identical in both directions. The force is 3681 N at 0.5 MPa, 5153 N at 0.7 MPa, and reaches 6626 N at the maximum operating pressure of 0.9 MPa.
Pick the SCD when you need equal force and speed in both directions, or when you want to attach tooling, a stopper, or a position sensor to a rear rod extension. If your application only requires a single working direction, the SC single-rod cylinder is usually the more economical choice.
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