Airtac SED Double Rod Cylinder SED80X135
The AirTAC Airtac SED Double Rod Cylinder SED80X135 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 135mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke135 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X135
The AirTAC SED80X135 is a double-acting, double-rod profile cylinder built to ISO 15552 dimensional standards. A 25mm rod exits both end covers, yielding equal effective piston areas. This means you get 2268N of output force at 0.5 MPa on both extend and retract strokes.
It features an extruded aluminum barrel without external tie rods, field-adjustable air cushioning at both ends, and a PT3/8 port. This specific SKU lacks a piston magnet, so it does not support CMSE or DMSE position sensing without modification. The twin-rod architecture provides superior anti-rotation stability and allows a cam or secondary mechanism to mount on the rear rod end.
Airtac SED Double Rod Cylinder SED80X135 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X135 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 135 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 SED80X135
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×135 | 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 SED80X135 Is Used
Web Guiding Brakes
Drives opposing tensioning arms in film converting lines, using the 2268N both-way force to adjust material webs without rotational deflection.
Dual-Side Shuttle Transfer
Moves PCB handling shuttles from both ends simultaneously, ensuring parallel transport where a single rod would twist under offset loads.
Rear-Cam Actuation
Powers a primary clamping action up front while the protruding rear rod triggers a mechanical limit switch or secondary sequencing cam.
Is the Airtac SED Double Rod Cylinder SED80X135 the Right Cylinder?
Selecting this 80mm bore provides 2268N both-way force at 0.5 MPa. Stepping down to the 63mm bore drops output to 1402N, while stepping up to the 100mm bore increases it to 3681N. Choose the SED80X135 over a single-rod SE when your application demands dual-side guidance, resistance to torsional loads, or rear-rod tooling.
For ISO 15552 replacement matching, verify the 135mm stroke, PT3/8 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that a plain SED does not hold position on air loss; the piston drifts. For fail-safe holding, use a BSED double-rod lock cylinder or an external pilot-operated check valve. At 135mm stroke, standard mounting handles the load, but always support longer strokes to prevent rod side-loading.
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 SED80X135 FAQ
Because the double-rod design has equal piston areas on both sides, force is identical in both directions: 2268N at 0.5 MPa, 3175N at 0.7 MPa, and a maximum of 463 kgf at 1.0 MPa.
Yes. It shares the exact ISO 15552 / VDMA 24562 profile mounting footprint and dimensions. Just match the 80mm bore, 135mm stroke, PT3/8 port, and your mounting accessory (FA, LB, TC, etc.) for a direct swap.
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