
The AirTAC SED Double Rod Cylinder SED63X20S 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 20mm, PT3/8 ports, adjustable cushioning.
The AirTAC SED63X20S is a double-acting, double-rod profile cylinder machined to ISO 15552 standards. Because a 20mm rod occupies both piston faces, the annular area is identical on extend and retract, yielding 1402N of force each way at 0.5 MPa. The extruded aluminum barrel lacks external tie rods, ensuring a clean profile for direct retrofits.
Fitted from the factory with a -S magnet, this 63mm bore unit directly accepts CMSE reed or DMSE electronic sensors for end-of-stroke confirmation. The 20mm stroke leaves minimal rear-rod protrusion, while the field-adjustable air cushion at both ends decelerates the load near stroke end without acting as a lock.
| Model | Airtac SED Double Rod Cylinder SED63X20S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø63 mm |
| Stroke | 20 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. |
| ×20 | 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).
Provides 1402N of equal thrust in both directions to clamp and release sheet metal jigs without rotational drift.
Uses the rear rod end to drive a secondary cam, synchronizing two diverter gates at 0.5 MPa.
Leverages the short 20mm stroke and anti-rotation twin rods to lift delicate circuit boards with CMSE reed sensor feedback.
Stepping down to the 50mm bore drops the both-way output to 825N at 0.5 MPa, whereas the larger 80mm bore raises it to 2268N. Choose this 63mm unit when your application demands roughly 1.4kN of symmetrical thrust. Unlike a single-rod SE cylinder, the SED twin-rod design prevents rotation and allows mounting a cam or secondary tool on the rear extension.
For position holding upon air loss, note that the SED piston will drift; the adjustable cushion only eases end-of-stroke impact. For fail-safe clamping, consider a BSED rod-lock variant or an external pilot-check valve. Replacement matching requires the 63mm bore, 20mm stroke, PT3/8 port, and a -S magnet.
Quick checklist
The double-rod design provides equal force in both directions: 1402N at 0.5 MPa, 1962N at 0.7 MPa, and a maximum of 286 kgf at 1.0 MPa.
It supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, deliberately omitting FB, CA, CB, and CR styles to fit specific double-rod footprint needs.
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