
The AirTAC SED Double Rod Cylinder SED63X15S is a genuine double-acting ISO 15552 double-rod cylinder: a Ø20mm piston rod exits BOTH ends of the Ø63mm bore, giving equal force and speed in both directions and letting you mount tooling or a sensor flag on the back rod. Stroke 15mm, PT3/8 ports, adjustable cushioning.
The AirTAC SED63X15S is a double-acting, double-rod ISO 15552 profile cylinder with a 15 mm stroke. Because a rod exits both end covers, the annulus area is identical on extend and retract, yielding equal force in both directions at 1402 N each way at 0.5 MPa. The extruded aluminum barrel contains no external tie rods, ensuring a clean profile for tight machinery layouts.
This unit includes the -S magnet option for direct mounting of CMSE reed or DMSE electronic sensors along the barrel grooves. It features field-adjustable air cushioning at both ends to decelerate the load near stroke extremes, and its PT3/8 ports match the 63 mm bore specification.
| Model | Airtac SED Double Rod Cylinder SED63X15S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 15 mm |
| Configuration | Double rod, double acting |
| Port size | PT3/8 |
| 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 (0–150 °C with FKM seals) |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 36 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SED datasheet and ISO 15552 / VDMA 24562 dimensions. Confirm against the product label before installation. Port options: PT (standard) / G (BSPP).
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 1402 N |
| 0.7 MPa | 1962 N |
| Max (@1.0 MPa) | 286 kgf |
Because a rod exits both ends, the effective piston area — and therefore the force — is identical on extend and retract. Actual usable force is lower than theoretical; size with a safety margin.
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 63 | Bore size in mm. |
| ×15 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSE / DMSE sensor sensing. |
Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B). Seals: TPU (blank) / FKM high-temp (H) / NBR (N). Thread: PT (blank) / G. Mounting (SED): Basic, LB, FA, TC, FTC, TCM1, TCM2. Related: SE (single rod), SEJ (double-rod adjustable stroke), BSED (double-rod rod lock).
Drives opposing gripper jaws in packaging machines, utilizing the 1402 N both-way force to ensure perfectly synchronized clamping and release of cartons.
Powers a diverter arm on a sorting line, using the rear rod end to mount a cam while the front rod pushes packages smoothly at up to 800 mm/s.
Acts as a high-precision registration stop in a sheet metal feed system, where the twin rods prevent load rotation during rapid 15 mm indexing.
At 0.5 MPa, this 63 mm bore generates 1402 N both ways. If your application requires less force, the adjacent 50 mm bore provides 825 N both ways. For heavier demands, the 80 mm bore offers 2268 N both ways. Choose the SED63X15S when you need a very short 15 mm stroke with twin-rod anti-rotation guidance or rear-rod tooling. To replace an ISO 15552 unit, match the 63 mm bore, 15 mm stroke, PT3/8 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2—this series omits FB, CA, CB, and CR). Note that a plain SED does not hold position on air loss; for fail-safe holding, consider a BSED double-rod rod lock or an external pilot-operated check valve.
Quick checklist
Because the double-rod design has equal annulus areas on both sides, force is identical in extend and retract: 1402 N at 0.5 MPa, 1962 N at 0.7 MPa, and a maximum of 286 kgf at 1.0 MPa.
A rod exits both ends, allowing you to mount a sensor flag or secondary tool on the rear rod while guiding the load against rotation better than a single-rod SE cylinder. Remember to leave rear-rod clearance, as overall length is longer than a single-rod equivalent.
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