Airtac SED Double Rod Cylinder SED80X85
The AirTAC Airtac SED Double Rod Cylinder SED80X85 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 85mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke85 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80X85
The AirTAC SED80X85 is a double-acting, double-rod ISO 15552 profile cylinder offering 2268 N of force each way at 0.5 MPa. Because a 25 mm rod exits both end covers, the effective piston area is identical on extend and retract, guaranteeing equal thrust and speed in both directions. The extruded aluminum barrel contains no external tie rods, ensuring a clean, dimensionally interchangeable ISO 15552 footprint.
This unit features field-adjustable air cushioning at both ends to decelerate loads smoothly over a 36 mm cushion length. It operates at speeds from 30-800 mm/s and uses PT3/8 ports. The rear rod extension is highly valuable for mounting a secondary mechanism, driving a cam, or attaching a sensor flag, while simultaneously guiding the load against rotation.
Airtac SED Double Rod Cylinder SED80X85 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80X85 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 85 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 SED80X85
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×85 | 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 SED80X85 Is Used
CNC Lathe Bar Feeder
Pushes raw bar stock through the spindle while the rear rod simultaneously drives a cam to open the feeder chute, utilizing the 2268 N both-way force to cycle reliably.
Pallet Transfer Pusher
Transfers heavy pallets between parallel conveyors. The twin 25 mm rods prevent binding under offset loads, maintaining smooth tracking over the 85 mm stroke.
Glass Panel Press
Applies equal clamping pressure during edge sealing. The double-rod design ensures the platen remains perfectly parallel, preventing uneven stress on the glass.
Is the Airtac SED Double Rod Cylinder SED80X85 the Right Cylinder?
Select this 80 mm bore when an application demands 2268 N both ways at 0.5 MPa. If your load is lighter, the 63 mm bore provides 1402 N both ways; if you need more power, the 100 mm bore yields 3681 N both ways. Choose this double-rod SED over a single-rod SE when the mechanism requires superior anti-rotation guidance, dual-side tooling, or rear-rod cam actuation. As a true ISO 15552 cylinder, it serves as a drop-in replacement for any standard ISO 15552 double-rod unit with an 80 mm bore, 85 mm stroke, PT3/8 port, and compatible mounting (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that this SKU lacks a magnet (-S) for position sensing. A plain SED does not hold position on air loss; for fail-safe holding, use a BSED or an external rod lock.
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 SED80X85 FAQ
Because the SED80X85 is a double-rod cylinder, the force is identical in both directions. It provides 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and a maximum of 463 kgf at 1.0 MPa.
A double-rod cylinder provides equal force and speed on extend and retract. The rear protruding rod can drive a secondary mechanism or carry a limit flag, while the twin rods offer superior anti-rotation guidance for the load compared to a single-rod cylinder.
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