Airtac SED Double Rod Cylinder SED80X55
The AirTAC Airtac SED Double Rod Cylinder SED80X55 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 55mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke55 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X55
The AirTAC SED80X55 is a double-acting, double-rod profile cylinder built to ISO 15552 dimensional standards. Because a 25mm rod exits both end covers, the effective piston area is identical on extend and retract. It delivers an equal 2268N of drive force in both directions at 0.5 MPa.
This extruded aluminum barrel features adjustable air cushions at both ends and a PT3/8 port. The twin-rod architecture provides superior anti-rotation stability over single-rod units. This specific SKU lacks a magnet, meaning no position sensing is installed.
Airtac SED Double Rod Cylinder SED80X55 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X55 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 55 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 SED80X55
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×55 | 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 SED80X55 Is Used
Web Guiding Mechanism
Uses the equal 2268N force both ways to steer material rolls precisely, relying on the twin rods to prevent binding during high-speed adjustments.
Dual-Side CNC Clamp
Clamps heavy castings simultaneously from both ends. The 25mm rods provide rigid anti-rotation support under machining vibration.
Synchronized Transfer Arm
Moves parts across a conveyor using the rear rod extension to trigger a mechanical cam, saving space without needing an electronic sensor.
Is the Airtac SED Double Rod Cylinder SED80X55 the Right Cylinder?
Select this 80mm bore to generate 2268N both ways at 0.5 MPa. If your payload is lighter, step down to the 63mm bore providing 1402N; for heavier loads, step up to the 100mm bore yielding 3681N. Choose this double-rod design over a single-rod SE when you need precise anti-rotation guidance or a rear rod to drive a secondary mechanism.
For a true ISO 15552 replacement, match the 80mm bore, 55mm stroke, PT3/8 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that a plain SED drifts on air loss; the adjustable cushion decelerates near stroke end but does not lock. Use a BSED for fail-safe holding.
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 SED80X55 FAQ
The SED80X55 provides equal force in both directions due to its double-rod design. It outputs 2268N at 0.5 MPa, 3175N at 0.7 MPa, and a maximum of 463 kgf at 1.0 MPa.
The twin 25mm rods offer superior load guidance and prevent piston rotation. The rear rod can also drive a secondary mechanism or flag. Furthermore, the annulus area is equal on both sides, ensuring extend and retract speeds match exactly.
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