Airtac SED Double Rod Cylinder SED80X115S
The AirTAC Airtac SED Double Rod Cylinder SED80X115S 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 115mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke115 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X115S
The AirTAC SED80X115S is a double-acting, double-rod profile cylinder built to ISO 15552 dimensional standards. Because a Ø25 mm rod exits both ends of the 80 mm piston, the effective area is identical in extend and retract, yielding 2268 N of force each way at 0.5 MPa. The extruded aluminum barrel omits external tie rods, providing a clean profile with integrated sensor grooves.
Equipped with an -S magnet, this unit supports CMSE reed and DMSE electronic sensors for end-of-stroke detection. The rear rod extension is ideal for mounting a cam or secondary mechanism, while field-adjustable air cushions at both ends absorb kinetic energy over the 36 mm cushion length to prevent end-cover impact.
Airtac SED Double Rod Cylinder SED80X115S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X115S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 115 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 SED80X115S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×115 | 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 SED80X115S Is Used
Servo Press Transfer
Drives a transfer arm in a servo press with 2268 N both ways, using the rear rod to mount a mechanical cam that times the sheet-metal feed.
Pallet Pusher System
Pushes heavy pallets off a roller conveyor, relying on the twin rods to prevent the load from twisting during the 115 mm stroke.
Tire Mold Handling
Lifts and lowers tire molds in a curing press, utilizing the equal both-way force to safely lower the 3175 N load at 0.7 MPa.
Is the Airtac SED Double Rod Cylinder SED80X115S the Right Cylinder?
Select this 80 mm bore when an application demands 2268 N both ways at 0.5 MPa (3175 N at 0.7 MPa). If you need less force, step down to the 63 mm bore delivering 1402 N both ways; if you require more, step up to the 100 mm bore providing 3681 N each way. The twin-rod design is preferred over a single-rod SE when the load needs anti-rotation guidance or a rear-rod flag to trigger external sensors.
This SED80X115S uses a PT3/8 port and M20x1.5 rod thread. It is a drop-in replacement for any ISO 15552 double-rod cylinder matching these bore and stroke dimensions. Note that the adjustable air cushion only decelerates the load near stroke end; it does not hold position on air loss. For fail-safe holding, consider a BSED series rod-lock cylinder or an external pilot-operated check valve.
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 SED80X115S FAQ
Because the double-rod design has a rod on both sides of the piston, force is equal in both directions. It delivers 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and a maximum of 463 kgf at 1.0 MPa.
The twin rods provide superior anti-rotation guidance and allow the rear rod to drive a secondary mechanism or sensor flag. It is dimensionally interchangeable with other ISO 15552 double-rod cylinders, using a PT3/8 port and M20x1.5 rod thread.
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