Airtac SED Double Rod Cylinder SED80X80S
The AirTAC Airtac SED Double Rod Cylinder SED80X80S 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 80mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke80 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X80S
The AirTAC SED80X80S is a double-acting, double-rod ISO 15552 profile cylinder. A 25mm rod exits both end covers, yielding identical annulus areas. This means you get equal force in extend and retract—2268 N each way at 0.5 MPa.
Equipped with a standard magnet (-S), it supports CMSE reed and DMSE electronic sensors. The extruded aluminum barrel omits external tie rods, and field-adjustable air cushions at both ends decelerate the 30-800 mm/s motion near stroke end.
Airtac SED Double Rod Cylinder SED80X80S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X80S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 80 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 SED80X80S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×80 | 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 SED80X80S Is Used
Web Guide Mechanism
Uses the 3175 N equal both-way force to push and pull a paper web guide evenly, relying on twin rods to prevent binding during high-speed 30-800 mm/s indexing.
Pneumatic Shuttle Table
Drives a 80mm stroke shuttle where the rear rod protrudes to trip a DMSE electronic sensor, ensuring precise end-position timing for material handoff.
Multi-Spindle Drill Head
Lifts and lowers a multi-spindle drill using the anti-rotation properties of the dual 25mm rods, maintaining strict perpendicularity against side loads.
Is the Airtac SED Double Rod Cylinder SED80X80S the Right Cylinder?
Choose this 80mm bore for 3175 N (at 0.7 MPa) of bidirectional thrust. If you need less force, step down to the 63mm bore (1402 N at 0.5 MPa); if you need more, step up to the 100mm bore (3681 N at 0.5 MPa). The twin rods prevent torsional rotation better than a single-rod SE cylinder, making it ideal for driving twin loads or mounting a rear cam. Note that a plain SED drifts on air loss—the cushions are not a lock. For fail-safe holding, use a BSED rod-lock cylinder. To replace an ISO 15552 unit, match the 80mm bore, 80mm stroke, PT3/8 port, and mounting (Basic, FA, LB, TC, FTC, TCM1, or TCM2).
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 SED80X80S FAQ
Because the double rod creates equal piston areas on both sides, the 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.
The twin rods provide superior anti-rotation guidance for external loads and allow the rear rod end to drive a secondary mechanism or sensor flag. It is dimensionally interchangeable per ISO 15552, but you must leave rear-rod clearance as overall length is longer than a single-rod cylinder.
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