Airtac SED Double Rod Cylinder SED80X750S
The AirTAC Airtac SED Double Rod Cylinder SED80X750S 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 750mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke750 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X750S
The AirTAC SED80X750S is a double-acting, double-rod ISO 15552 profile cylinder. Because a 25mm rod exits both end covers, the annulus area is identical on extend and retract. This yields an equal force of 2268 N each way at 0.5 MPa, preventing the speed differential common to single-rod units. The extruded aluminum barrel omits external tie rods.
Equipped with the -S magnet option, this 80mm bore unit supports CMSE reed and DMSE electronic sensors for end-of-travel signaling. The protruding rear rod can mount a cam or secondary mechanism. Field-adjustable air cushions at both ends tune deceleration over the 36mm cushion length for the 750mm stroke.
Airtac SED Double Rod Cylinder SED80X750S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X750S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 750 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 SED80X750S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×750 | 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 SED80X750S Is Used
Web Guiding Mechanism
Drives a film edge-guide carriage with 2268N both ways, using the rear rod to mount a tension cam for synchronized tracking.
Transfer Pusher
Shifts pallets on a 750mm cycle, relying on equal extend and retract forces to maintain steady throughput without speed imbalance.
Dual-Side Clamping
Actuates opposing fixture plates simultaneously via both rod ends, ensuring perfectly balanced part holding during machining.
Is the Airtac SED Double Rod Cylinder SED80X750S the Right Cylinder?
Selecting this 80mm bore provides 2268 N of both-way force at 0.5 MPa. If your payload is lighter, the adjacent 63mm bore yields 1402 N both ways. For heavier dynamics, the 100mm bore provides 3681 N. At 750mm stroke, the twin 25mm rods demand external load guidance to prevent side-loading binding. Unlike a single-rod SE cylinder, this double-rod design resists rotational torque and drives dual mechanisms. A plain SED drifts on air loss; for fail-safe holding, specify a BSED double-rod lock. Ensure your ISO 15552 replacement matches the PT3/8 port, M20x1.5 rod thread, and -S magnet.
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 SED80X750S FAQ
Because the double-rod design subtracts rod area from both sides, force is identical in both directions: 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 equal force and speed on extend and retract, better rotational stability, and a rear rod for mounting sensors or secondary tooling. It is dimensionally interchangeable with other ISO 15552 double-rod cylinders.
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