The AirTAC Airtac SCD Standard Cylinder SCD100X90S 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, 90mm stroke, PT1/2 ports and adjustable end cushioning.
The SCD100X90S is a double-acting, double-rod pneumatic cylinder that delivers identical push and pull force from both ends—3681 N at 0.5 MPa—because the 25 mm rod passes through both end caps. This 90 mm stroke model includes a built-in magnet (-S suffix), so CMSG, DMSG, or EMSG sensors clip directly onto the tie-rod barrel for contactless end-of-stroke or mid-position detection.
With a 100 mm bore and a body length A(SCD) of 263 mm, it suits compact two-sided tooling where space is tight but thrust cannot be compromised. The PT1/2 ports and adjustable air cushion (29 mm) let you dial in smooth deceleration for the 25 mm through-rod, while the symmetric bearing load helps resist deflection better than a single-rod cylinder of the same stroke.
| Model | Airtac SCD Standard Cylinder SCD100X90S |
|---|---|
| Series | SCD double-rod tie-rod cylinder |
| Bore size | Ø100 mm |
| Rod diameter | Ø25 mm (both ends) |
| Stroke | 90 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. |
| ×90 | 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 3681 N push-pull force and through-rod design let a single SCD100X90S drive a shuttle table back and forth with identical speed and thrust in both directions, simplifying flow controls.
With the built-in magnet, mount a DMSG sensor on the rear rod end to confirm the home position, while a second sensor on the front end verifies part clamping—no external brackets needed.
The dual-rod support provides inherent anti-rotation, making this cylinder a solid choice for pushing components into a nest or fixture where rod twist would cause misalignment.
This 100 mm bore SCD suits applications needing roughly 3681 N in both directions at standard plant pressure. If your load is lighter, stepping down to an SCD80 (2268 N at 0.5 MPa) saves air and space; for heavier demands, the SCD125 jumps to 5734 N. Because both rods extend and retract together, an SCD is the right call when you need a rear rod for a stopper bolt, a sensor flag, or dual tooling—but if only one working end is required, the single-rod SC100 series is a simpler, lower-cost alternative.
For a drop-in replacement, match the 100 mm bore, 90 mm stroke, PT port thread, basic mounting, and the -S magnet option. At 90 mm stroke, rod buckling is not a concern, but if you later move to a stroke above 300 mm on this bore, check the unsupported rod length and consider an external guide or a guided cylinder to protect the rod bearings from side load.
Double-rod checklist
Because it is a double-rod cylinder, the effective piston area is the same on both sides. The force is 3681 N at 0.5 MPa, 5153 N at 0.7 MPa, and 6626 N at the maximum operating pressure of 0.9 MPa. The theoretical force at 1.0 MPa is 751 kgf.
Choose the SCD when you need identical force and speed in both directions, or when you need to mount tooling, a stop, or a sensor target on the rear rod. The through-rod also gives better guidance and inherent anti-rotation compared to a single-rod cylinder, though it is not a substitute for a fully guided unit under high side loads.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.