Airtac SED Double Rod Cylinder SED80X750
The AirTAC Airtac SED Double Rod Cylinder SED80X750 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 SED80X750
The AirTAC SED80X750 is a double-acting, double-rod ISO 15552 profile cylinder featuring an 80mm bore and a 750mm stroke. Because a rod extends from both end covers, the annulus area is identical on both sides, yielding equal force and speed in extend and retract directions. You get 2268 N of thrust each way at 0.5 MPa, and 3175 N at 0.7 MPa. The extruded aluminum barrel contains no external tie rods, ensuring a clean profile that drops in dimensionally for any ISO 15552 mounting interface.
This 750mm stroke unit uses a PT3/8 port and a 25mm rod with an M20x1.5 thread. Field-adjustable air cushions at both ends decelerate the load near stroke end. Note that this specific SKU lacks the -S magnet option, so it cannot support CMSE or DMSE position sensors without modification. The rear rod extension can drive a secondary mechanism or mount a cam, but you must leave adequate rear clearance for the protruding rod.
Airtac SED Double Rod Cylinder SED80X750 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X750 |
|---|---|
| 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 SED80X750
| 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 SED80X750 Is Used
Large Package Diverter
Drives a dual-sided pusher arm on a logistics sorting line. The 2268 N both-way force at 0.5 MPa easily shunts heavy parcels, while the rear rod synchronizes a return flag.
Web Tensioning Frame
Applies equal tension to a wide material web in a converting mill. The twin-rod geometry prevents yaw, and the 3175 N output at 0.7 MPa holds the roller steady.
Servo Press Cam Actuator
Powers a secondary cam mechanism via the rear rod extension on an assembly press. The 80mm bore provides the 463 kgf max thrust needed to trip the latch.
Is the Airtac SED Double Rod Cylinder SED80X750 the Right Cylinder?
Select this 80mm model when your application requires 2268 N of equal both-way force at 0.5 MPa. If you need less force, the 63mm bore provides 1402 N both ways. If your load demands more thrust, step up to the 100mm bore, which delivers 3681 N at 0.5 MPa. The twin-rod design is essential when you need to drive two mechanisms in opposite directions simultaneously, mount a rear cam, or guide heavy loads against rotation without external rails.
At 750mm of stroke, the extended rod length amplifies any side-load leverage. You must support the load externally to prevent binding and premature seal wear. A plain SED does not hold position on air loss; the piston drifts. For fail-safe holding, use a BSED double-rod rod lock or an external pilot-operated check valve. To replace an ISO 15552 cylinder, match the 80mm bore, 750mm stroke, PT3/8 port, and your mounting choice (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 SED80X750 FAQ
Because the rod occupies 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.
No. A plain SED cylinder will drift on air loss. The adjustable air cushion only decelerates the piston near the stroke ends; it is not a locking brake. For fail-safe position holding, use a BSED double-rod rod lock cylinder or an external rod lock.
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