Airtac SED Double Rod Cylinder SED100X155
The AirTAC Airtac SED Double Rod Cylinder SED100X155 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 SED100X155
The AirTAC SED100X155 is a double-acting, double-rod ISO 15552 profile cylinder. A 25 mm rod exits both end covers, meaning the annulus area is identical on extend and retract. This yields exactly 3681 N of thrust each way at 0.5 MPa, preventing directional force imbalance.
This 100 mm bore unit uses PT1/2 ports and an M20x1.5 rod thread. It lacks the -S magnet option, so it has no onboard position sensing on this SKU. The extruded aluminum barrel omits external tie rods, and field-adjustable air cushions at both ends tune end-of-stroke deceleration.
Airtac SED Double Rod Cylinder SED100X155 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED100X155 |
|---|---|
| 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 SED100X155
| 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 SED100X155 Is Used
Web Guiding Mechanisms
Drives 3681 N of equal bidirectional force to shift heavy paper or film webs, using the rear rod for a tracking flag.
Twin-Press Assembly
Applies balanced 5153 N clamping at 0.7 MPa on both strokes, with the double rod preventing chuck rotation during part forming.
Synchronized Shuttle Transfer
Moves workpieces between stations with identical extend and retract speeds, leveraging the M20x1.5 rod for external guidance.
Is the Airtac SED Double Rod Cylinder SED100X155 the Right Cylinder?
Stepping down to the 80 mm bore yields 2268 N both-way force at 0.5 MPa, while the larger 125 mm bore provides 5734 N. Choose this 100 mm unit when your mechanism needs 3681 N balanced push and pull. The twin rods provide superior anti-rotation guidance and allow mounting a rear cam or secondary tool. To replace an ISO 15552 unit, match the 155 mm stroke, PT1/2 port, and mounting subset (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that a plain SED drifts on air loss; use a BSED rod lock for fail-safe holding.
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 SED100X155 FAQ
Because the double rod occupies both piston sides, force is equal in both directions: 3681 N at 0.5 MPa, 5153 N at 0.7 MPa, and a maximum of 751 kgf at 1.0 MPa.
The twin rods provide equal force both ways, better anti-rotation resistance for the load, and a rear rod end for mounting a cam or secondary mechanism. It is dimensionally interchangeable per ISO 15552.
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