Airtac SED Double Rod Cylinder SED80X800S
The AirTAC Airtac SED Double Rod Cylinder SED80X800S 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 800mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke800 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X800S
The AirTAC SED80X800S is a double-acting, double-rod ISO 15552 profile cylinder. A 25mm rod exits both end covers, yielding identical annulus areas. This provides equal extend and retract force at 2268 N each way at 0.5 MPa. The extruded aluminum barrel includes sensor grooves, and this S variant includes a magnet for CMSE reed or DMSE electronic sensors.
Because a rod protrudes from the rear, overall length is longer than a single-rod SE cylinder, requiring rear clearance. The rear rod end can drive a secondary mechanism or mount a cam. Field-adjustable air cushions at both ends decelerate the 800mm travel, though they do not lock position on air loss.
Airtac SED Double Rod Cylinder SED80X800S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X800S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 800 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 SED80X800S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×800 | 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 SED80X800S Is Used
Large Transfer Conveyor
Drives a heavy 800mm stroke transfer conveyor. The twin 25mm rods prevent load twisting, while the 2268N both-way force ensures positive push and pull across the full travel.
Multi-Stage Press Feed
Feeds sheet stock into a multi-stage press. The rear rod end mounts a physical limit flag to trigger an external DMSE electronic sensor, synchronizing the 3175N drive with the press cycle.
Palletizer Push-Off
Pushes completed pallets off a build station. The equal both-way force prevents stalling under heavy pallet inertia, and the ISO 15552 footprint integrates directly into existing machine frames.
Is the Airtac SED Double Rod Cylinder SED80X800S the Right Cylinder?
At 0.5 MPa, this 80mm bore generates 2268 N both ways. Stepping down to the 63mm bore yields 1402 N, while the 100mm bore provides 3681 N. Choose this 80mm size when an application demands high mid-stroke pushing and pulling force with anti-rotation guidance. A plain SED drifts on air loss; for fail-safe holding, use a BSED rod lock or external brake. For an 800mm stroke, external guide rails are critical to prevent side loads from damaging the 25mm rod and M20x1.5 threads. Drop-in replacement matches bore, 800mm stroke, PT3/8 port, and mounting (Basic, FA, LB, TC, FTC, TCM1, 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 SED80X800S FAQ
Because the double-rod design yields equal areas on both piston 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.
A rod exits both ends, providing equal force and speed both ways. The rear rod improves load guidance against rotation and can mount a cam or sensor flag. It omits FB/CA/CB/CR mounts but keeps standard ISO 15552 profile mounts.
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