Airtac SED Double Rod Cylinder SED80X475S
The AirTAC Airtac SED Double Rod Cylinder SED80X475S 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 475mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke475 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X475S
The AirTAC SED80X475S is a double-acting, double-rod profile cylinder built to ISO 15552 dimensional standards. Because a Ø25 mm rod extends from both end covers, the annulus area is identical on each side. This means you get exactly 2268 N of output force at 0.5 MPa in both extend and retract directions.
Equipped with a standard magnet (-S), this 80 mm bore unit supports CMSE reed and DMSE electronic sensors for end-of-stroke detection. The extruded aluminum barrel omits external tie rods, and adjustable air cushions at both ends manage deceleration over the 475 mm stroke.
Airtac SED Double Rod Cylinder SED80X475S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X475S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 475 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 SED80X475S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×475 | 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 SED80X475S Is Used
Web Guiding in Slitters
Drives an aligning carriage in a paper slitter. The 2268 N bidirectional force shifts heavy rolls precisely, while the twin rods prevent binding across the 475 mm travel.
CNC Lathe Bar Feeder
Pushes raw bar stock into a spindle. The rear rod end mounts a physical cam to confirm home position, ensuring the 3175 N at 0.7 MPa thrust is fully retracted before clamping.
Pallet Diverting Gate
Actuates a heavy diverting arm on a packaging conveyor. The double-rod geometry absorbs high inertial loads during rapid 30-800 mm/s strokes without twisting the gate.
Is the Airtac SED Double Rod Cylinder SED80X475S the Right Cylinder?
Select this 80 mm bore if your process requires 2268 N both ways at 0.5 MPa. If you need less force, the adjacent 63 mm bore provides 1402 N both ways. If your application demands more power, step up to the 125 mm bore, which yields 5734 N both ways.
The twin-rod design offers superior anti-rotation stability and allows a rear-rod cam to trigger external switches. Because the stroke is 475 mm, external linear guides are strongly recommended to prevent side-load binding on the long rod. Note that a plain SED does not hold position on air loss; for fail-safe holding, use a BSED double-rod rod lock. To replace an existing ISO 15552 unit, match the 475 mm stroke, PT3/8 port, and your required mounting (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 SED80X475S FAQ
Because the rod exits both ends, force is equal in both directions. This 80 mm bore cylinder provides 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and a maximum of 463 kgf at 1.0 MPa.
The twin-rod layout provides better load guidance and prevents piston rotation. It also allows you to mount tooling or a sensor flag on the rear rod end, which is impossible on a standard single-rod cylinder.
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