Airtac SED Double Rod Cylinder SED80X900S
The AirTAC Airtac SED Double Rod Cylinder SED80X900S 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 900mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke900 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X900S
The AirTAC SED80X900S is a double-acting, double-rod profile cylinder built to the ISO 15552 dimensional interface. Because a Ø25 mm rod exits both end covers, the effective piston area is identical on extend and retract. This yields exactly 2268 N of force at 0.5 MPa in both directions, preventing the speed and thrust mismatches common to single-rod units.
This 900 mm stroke variant includes a magnet (-S) for DMSE electronic or CMSE reed sensors. The extruded aluminum barrel omits external tie rods, and adjustable air cushions at both ends absorb kinetic energy over a 36 mm stroke. Remember that the rear protrusion requires clearance for sensor flags or secondary cam tooling.
Airtac SED Double Rod Cylinder SED80X900S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X900S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 900 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 SED80X900S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×900 | 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 SED80X900S Is Used
Long-Stroke Web Edge Guide
Drives a 900 mm web aligner in a paper mill. The 2268 N bidirectional force and twin rods prevent yaw, keeping the material path true without deflection.
Dual-Side Shuttle Transfer
Moves heavy automotive doors between welding stations. The rear rod supports a secondary cam flag, triggering DMSE sensors to confirm part placement.
Large Panel Press Ejector
Ejects stamped appliance panels from a press bed. Equal extend and retract forces ensure smooth retraction of the heavy 80 mm bore ejector arm.
Is the Airtac SED Double Rod Cylinder SED80X900S the Right Cylinder?
Step down to a 63 mm bore for 1402 N at 0.5 MPa, or up to a 100 mm bore for 3681 N if your payload exceeds 2268 N. Choose this double-rod SED over a single-rod SE when the application demands anti-rotation stability or rear-rod tooling. For a drop-in replacement, match the 80 mm bore, 900 mm stroke, PT3/8 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2).
At 900 mm of travel, side loading is a major risk. Use external guide rails to prevent rod binding. Plain SED cylinders drift on air loss; the cushions decelerate but do not lock. For fail-safe holding, use a BSED double-rod rod lock or external brake.
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 SED80X900S FAQ
The drive force is equal in both directions because of the double-rod design. It outputs 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and reaches a maximum of 463 kgf at 1.0 MPa.
A double-rod cylinder provides superior anti-rotation resistance and equal force both ways, which is critical over 900 mm of travel. The rear rod can also drive a secondary mechanism or sensor flag. It uses the same ISO 15552 mounting footprint as the SE series.
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