Airtac SED Double Rod Cylinder SED80X45S
The AirTAC Airtac SED Double Rod Cylinder SED80X45S 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 45mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke45 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X45S
The AirTAC SED80X45S is a double-acting, double-rod profile cylinder conforming to the ISO 15552 / VDMA 24562 dimensional standard. Because a 25mm rod exits both end covers, the effective piston area is identical on extend and retract, yielding an equal force of 2268 N in both directions at 0.5 MPa. The extruded aluminum barrel contains no external tie rods, integrating sensor grooves for position feedback.
This 80mm bore unit includes the -S magnet option for tracking with CMSE reed or DMSE electronic sensors. Field-adjustable air cushions at both ends manage end-of-stroke deceleration over a 36mm length, while the rear rod extension can drive a secondary mechanism or carry a limit flag.
Airtac SED Double Rod Cylinder SED80X45S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X45S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 45 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 SED80X45S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×45 | 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 SED80X45S Is Used
Web Guiding Mechanism
Uses the twin 25mm rods to resist lateral bending while guiding film or foil webs, applying 2268 N of equalized tensioning force without rotational play.
Multi-Station Indexer
Drives a rotary indexing table where the rear rod end mounts a cam, ensuring the 3175 N at 0.7 MPa extends and retracts a secondary latch simultaneously.
Bottle Rejecter System
Ejects misaligned containers on a packaging line using balanced 2268 N force, leveraging the double-rod design for stable high-speed 45mm strokes.
Is the Airtac SED Double Rod Cylinder SED80X45S the Right Cylinder?
Select this 80mm bore when an application requires 2268 N of bidirectional force at 0.5 MPa (3175 N at 0.7 MPa). If your mechanism needs less push, step down to the 63mm bore providing 1402 N both ways; if you need heavier drive capacity, step up to the 100mm bore delivering 3681 N both ways. Choose this double-rod SED over a single-rod SE when the load requires high anti-rotation resistance or dual-side guidance. For position holding on air loss, note that a standard SED drifts; you would need a BSED rod-lock cylinder or external pilot-operated check valve. As a drop-in ISO 15552 replacement, match the 80mm bore, 45mm stroke, PT3/8 port, and mounting style (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 SED80X45S FAQ
The SED80X45S provides equal force in both directions due to 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 equal extend and retract forces, better load stability against rotation, and allows the rear rod to drive a secondary mechanism or sensor flag. It is dimensionally interchangeable with other ISO 15552 profile cylinders.
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