Airtac SED Double Rod Cylinder SED80BX150S
The AirTAC Airtac SED Double Rod Cylinder SED80BX150S 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 150mm, PT3/8 ports, adjustable cushioning.
- BoreØ80 mm
- Stroke150 mm
- Port sizePT3/8
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED80BX150S
The AirTAC SED80BX150S is a double-acting, double-rod profile cylinder built to the ISO 15552 interface. Because a SUS304 stainless steel rod exits both end covers, the effective piston area is identical on extend and retract. This means you get equal force and speed in both directions, delivering about 2268 N at 0.5 MPa and 3175 N at 0.7 MPa each way.
The through-rod design allows the rear side to mount a sensor flag or secondary cam while providing dual-side guidance that resists torsional rotation. An -S magnet is included for position tracking via CMSE reed or DMSE electronic sensors. Field-adjustable air cushions at both ends absorb impact near stroke extremes, but note that air pressure alone does not hold position on failure; use a BSED rod-lock cylinder for fail-safe holding.
Airtac SED Double Rod Cylinder SED80BX150S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED80BX150S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø80 mm |
| Stroke | 150 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 SED80BX150S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 80 | Bore size in mm. |
| ×150 | 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 SED80BX150S Is Used
Web Guiding Mechanism
Provides 3175 N of equal both-way force to shift a paper or film web guide, using the rear rod for a cam while the SUS304 body survives washdown.
Dual-Side Press Tooling
Drives a 150mm stamping or clamping station where the twin rods prevent torsional twist under the 2268 N load at 0.5 MPa.
Shuttle Transfer Unit
Powers a symmetrical parts shuttle that requires identical extend and retract speeds, with an -S magnet triggering DMSE sensors for handoff.
Is the Airtac SED Double Rod Cylinder SED80BX150S the Right Cylinder?
Stepping down to the 63mm bore drops the both-way output to 1402 N at 0.5 MPa, while stepping up to the 100mm bore raises it to 3681 N at 0.5 MPa. Choose this 80mm model when your mechanism needs substantial symmetric thrust. The twin-rod architecture outperforms a single-rod SE cylinder by preventing rod rotation and allowing rear-end tooling. To replace an ISO 15552 unit, match the 80mm bore, 150mm stroke, PT3/8 port, and mounting style (available in Basic, FA, LB, TC, FTC, TCM1, or TCM2). With a 150mm stroke, external guides are recommended to manage side loads and protect the M20x1.5 rod threads.
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 SED80BX150S FAQ
Because the double-rod design subtracts the rod area on both sides, 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-rod SED design ensures equal push and pull forces, provides better resistance to rod rotation, and lets you mount rear-side tooling or sensor flags. It is dimensionally interchangeable per ISO 15552.
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