Airtac SED Double Rod Cylinder SED100X325S
The AirTAC Airtac SED Double Rod Cylinder SED100X325S 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 325mm, PT1/2 ports, adjustable cushioning.
- BoreØ100 mm
- Stroke325 mm
- Port sizePT1/2
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED100X325S
The AirTAC SED100X325S is a double-acting, double-rod ISO 15552 profile cylinder with a 100mm bore and 325mm stroke. Because a 25mm rod exits both ends, the effective piston area is identical on extend and retract, yielding an equal 3681N of force in both directions at 0.5 MPa. The extruded aluminum barrel includes sensor grooves, and this -S variant carries a magnet for CMSE or DMSE sensors.
This unit features field-adjustable air cushioning at both ends over a 36mm stroke to decelerate heavy loads. The twin-rod design provides superior anti-rotation guidance and allows the rear rod to drive a secondary mechanism or cam. Remember to leave rear-rod clearance, as the overall length is longer than a single-rod SE cylinder.
Airtac SED Double Rod Cylinder SED100X325S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED100X325S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 325 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 SED100X325S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 100 | Bore size in mm. |
| ×325 | 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 SED100X325S Is Used
CNC Lathe Bar Feeder
Pushes and retracts stock with equal 3681N force both ways, using the twin rods to prevent stock rotation during high-speed feed operations.
Pallet Transfer Chute
Diverts heavy pallets using the 5153N available at 0.7 MPa, while the rear rod simultaneously trips a mechanical diverter flag.
Stamping Press Transfer
Moves parts between dies with balanced force, relying on the adjustable 36mm cushion to absorb kinetic energy at stroke ends.
Is the Airtac SED Double Rod Cylinder SED100X325S the Right Cylinder?
Select this 100mm bore if your load requires roughly 3681N both ways at 0.5 MPa (5153N at 0.7 MPa). If you need less force, step down to the 80mm bore providing 2268N both ways; if moving heavier payloads, step up to the 125mm bore offering 5734N both ways. The twin rods are chosen over a single-rod SE when precise anti-rotation or rear-rod tooling is required.
For ISO 15552 drop-in replacement, match the 100mm bore, 325mm stroke, PT1/2 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that a plain SED does not hold position on air loss; for fail-safe holding, use a BSED or external lock. At 325mm stroke, ensure external guides support side loads to prevent binding.
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 SED100X325S FAQ
Because the 25mm rod occupies both sides of the piston, force is equal in both directions: 3681N at 0.5 MPa, 5153N at 0.7 MPa, and a maximum of 751 kgf at 1.0 MPa.
Yes, the SED100X325S is dimensionally interchangeable per ISO 15552. Match your 100mm bore, 325mm stroke, PT1/2 port, and mounting (Basic, FA, LB, TC, FTC, TCM1, TCM2) for a drop-in fit.
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