Airtac SED Double Rod Cylinder SED100X155S
The AirTAC Airtac SED Double Rod Cylinder SED100X155S is a genuine double-acting ISO 15552 double-rod cylinder: a Ø25mm piston rod exits BOTH ends of the Ø100mm bore, giving equal force and speed in both directions and letting you mount tooling or a sensor flag on the back rod. Stroke 155mm, PT1/2 ports, adjustable cushioning.
- BoreØ100 mm
- Stroke155 mm
- Port sizePT1/2
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED100X155S
The AirTAC SED100X155S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 100mm bore and 155mm stroke. Because a rod exits both end covers, the annulus area is identical on extend and retract, yielding exactly 3681 N of force each way at 0.5 MPa. The extruded aluminum barrel contains no external tie rods, ensuring a clean, dimensionally interchangeable drop-in for any ISO 15552 footprint.
Equipped with the -S magnet option, this unit supports CMSE reed and DMSE electronic sensors for precise end-of-stroke detection. The rear rod extension is highly valuable for driving a secondary mechanism or mounting a cam. Adjustable air cushions at both ends decelerate the load near stroke end, though they do not lock position on air loss.
Airtac SED Double Rod Cylinder SED100X155S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED100X155S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 155 mm |
| Configuration | Double rod, double acting |
| Port size | PT1/2 |
| 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 (Ø100mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 3682 N |
| 0.7 MPa | 5154 N |
| Max (@1.0 MPa) | 751 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 SED100X155S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 100 | Bore size in mm. |
| ×155 | 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 SED100X155S Is Used
Servo Press Feeders
Drives heavy material grippers in CNC servo presses. The 3681N equal both-way force ensures secure clamping during advancement, while the twin rods prevent jaw twisting under offset loads.
Indexing Shuttle Conveyors
Shifts heavy pallet shuttles between machining stations. The twin-rod design provides rigid dual-side guidance without play, and the rear rod easily mounts an external cam to trigger mechanical interlocks.
Automated Welding Lances
Plunges heavy welding tip assemblies into position. The anti-rotation properties of the dual rods keep the electrode precisely aligned, with the -S magnet enabling DMSE sensors to confirm insertion depth.
Is the Airtac SED Double Rod Cylinder SED100X155S the Right Cylinder?
Selecting this 100mm bore provides 3681 N both directions at 0.5 MPa. If your load is lighter, the 80mm bore offers 2268 N both ways; if you need more power, the 125mm bore provides 5734 N both ways. Choose this double-rod SED over a single-rod SE when your application demands superior anti-rotation guidance, dual-side load driving, or rear-rod tooling. To replace an existing ISO 15552 cylinder, match the 100mm bore, 155mm stroke, PT1/2 port, and preferred mounting from the SED set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that a plain SED drifts on air loss; for fail-safe holding, specify a BSED or 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 SED100X155S FAQ
Because the double-rod design has equal piston areas on both sides, it generates 3681 N of force at 0.5 MPa and 5153 N at 0.7 MPa in both extend and retract directions. The maximum force is 751 kgf at 1.0 MPa.
The twin rods exiting both ends provide superior anti-rotation guidance for heavy loads and allow you to mount tooling, cams, or sensors on the rear rod. It is dimensionally interchangeable per ISO 15552, but omits FB, CA, CB, and CR mountings available on single-rod variants.
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