Airtac SED Double Rod Cylinder SED80X165
The AirTAC Airtac SED Double Rod Cylinder SED80X165 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 165mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke165 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X165
The AirTAC SED80X165 is a double-acting, double-rod profile cylinder built to the ISO 15552 dimensional interface. Because a 25 mm rod exits both end covers, the effective piston area is identical on extend and retract. This means you get equal force both ways: 2268 N at 0.5 MPa and 3175 N at 0.7 MPa.
The extruded aluminum barrel has no external tie rods and features integrated sensor grooves. Note that this specific SKU lacks the -S magnet option, so it cannot host CMSE reed or DMSE electronic sensors. Field-adjustable air cushions at both ends (36 mm stroke) decelerate the load near stroke end.
Airtac SED Double Rod Cylinder SED80X165 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X165 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 165 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 SED80X165
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×165 | 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 SED80X165 Is Used
Web Guiding Platen
Drives a 3175 N guiding platen for film web tracking, using the twin rods to prevent platen twist during high-speed shifts.
Twin-Press Tooling
Synchronizes a multi-station stamping tool where the rear rod end mounts a mechanical cam to trigger an external cutoff.
Pallet Transfer Gate
Actuates a 165 mm transfer gate diverter, relying on equal both-way force to smoothly push and retract the diverter arm.
Is the Airtac SED Double Rod Cylinder SED80X165 the Right Cylinder?
Choose this 80 mm bore if your mechanism needs 3175 N of thrust in both directions at 0.7 MPa. If you need less force, step down to the 63 mm bore (1402 N at 0.5 MPa). For heavier drives, step up to the 100 mm bore (3681 N at 0.5 MPa). The twin rods provide superior anti-rotation resistance compared to a single-rod SE cylinder, making it ideal for guiding heavy platens.
This cylinder uses a PT3/8 port and M20x1.5 rod threads. Mounting options are limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Remember that the air cushion only decelerates the load; it does not hold position on air loss. For fail-safe holding, use a BSED double-rod lock cylinder or an external pilot-operated check valve.
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 SED80X165 FAQ
Because the double-rod design subtracts rod area from both sides, force is equal 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, it is dimensionally interchangeable per ISO 15552. Just match the 80 mm bore, 165 mm stroke, PT3/8 port, and mounting style. Ensure you leave rear-rod clearance, as the overall length is longer than a single-rod cylinder.
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