Airtac SED Double Rod Cylinder SED80X450S
The AirTAC Airtac SED Double Rod Cylinder SED80X450S is a genuine double-acting ISO 15552 double-rod cylinder: a Ø25mm piston rod exits BOTH ends of the Ø80mm bore, giving equal force and speed in both directions and letting you mount tooling or a sensor flag on the back rod. Stroke 450mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke450 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X450S
The AirTAC SED80X450S is a double-acting, double-rod ISO 15552 profile cylinder. A 25 mm rod exits both end covers, yielding identical annulus areas. This means drive force is perfectly balanced at 2268 N in both directions at 0.5 MPa.
The extended 450 mm stroke requires careful load guidance to prevent side-loading damage. The integrated -S magnet supports position tracking via CMSE reed or DMSE electronic sensors. You can mount rear-rod tooling or cams on the opposite end to actuate secondary mechanisms.
Airtac SED Double Rod Cylinder SED80X450S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X450S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 450 mm |
| Configuration | Double rod, double acting |
| Port size | PT3/8 |
| 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 (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).
Theoretical Output Force (Ø80mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 2268 N |
| 0.7 MPa | 3175 N |
| Max (@1.0 MPa) | 463 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.
Model Code: Airtac SED Double Rod Cylinder SED80X450S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×450 | 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).
Where the Airtac SED Double Rod Cylinder SED80X450S Is Used
Luggage Sorting Diverter
Drives a dual-sided diverter gate at 2268 N, using the rear rod to mirror the push action and rapidly redirect heavy baggage on airport conveyor belts.
Multi-Axis CNC Loader
Feeds heavy billets into a machining center, relying on the twin rods to resist rotational torque and maintain precise alignment under high dynamic loads.
Automated Press Ejector
Ejects stamped metal parts equally on extend and retract strokes, using the balanced 3175 N force at 0.7 MPa to push scrap out of the die area.
Is the Airtac SED Double Rod Cylinder SED80X450S the Right Cylinder?
Select this 80 mm bore when you need 2268 N of both-way force at 0.5 MPa. Stepping down to a 63 mm bore yields 1402 N, while stepping up to a 100 mm bore provides 3681 N. Choose this double-rod SED over a single-rod SE when your application demands anti-rotation stability or rear-end sensing.
At 450 mm stroke, external linear guides are strongly recommended to manage side loads. This cylinder uses a PT3/8 port and M20x1.5 rod thread. Note that the adjustable air cushion only decelerates near stroke end; it will not hold position on air loss. For fail-safe holding, consider a BSED rod-lock variant.
Quick checklist
- ✓ Equal force/speed both directions needed?
- ✓ Back-rod space for tooling or a flag
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/G)
- ✓ Magnet (-S) for CMSE/DMSE sensors?
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Support both rod ends; avoid side load.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (LB/FA/TC/FTC/TCM1/TCM2).
- check Installation by qualified personnel per AirTAC docs.
Airtac SED Double Rod Cylinder SED80X450S FAQ
Because the double-rod design has equal piston areas on both sides, force is identical in both directions: 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and a maximum of 463 kgf at 1.0 MPa.
Yes. The SED80X450S is dimensionally interchangeable per ISO 15552 / VDMA 24562 profile standards. Match the 80 mm bore, 450 mm stroke, PT3/8 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2) for a drop-in replacement.
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