Airtac SED Double Rod Cylinder SED100X375
The AirTAC Airtac SED Double Rod Cylinder SED100X375 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 375mm, PT1/2 ports, adjustable cushioning.
- BoreØ100 mm
- Stroke375 mm
- Port sizePT1/2
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED100X375
The AirTAC SED100X375 is a double-acting, double-rod profile cylinder built to the ISO 15552 dimensional interface. Because a Ø25 mm rod exits both end covers, the effective piston area is identical on extend and retract. This generates exactly 3681 N of force each way at 0.5 MPa, eliminating the speed and force mismatch found in single-rod units.
The extruded aluminum barrel contains no external tie rods and features integrated sensor grooves. Note this specific SKU lacks the -S magnet option, so it cannot host CMSE reed or DMSE electronic sensors without modification. The 36 mm adjustable air cushion at both ends decelerates the large 100 mm piston near stroke extremes to minimize impact shock.
Airtac SED Double Rod Cylinder SED100X375 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED100X375 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 375 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 SED100X375
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 100 | Bore size in mm. |
| ×375 | 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 SED100X375 Is Used
Servo Press Platen
Drives a 375 mm stroke stamping platen where the rear rod operates a mechanical sequencing cam, utilizing the 3681 N bidirectional force.
Pallet Diverter
Shifts heavy pallets laterally on a packaging line, relying on the twin rods to prevent binding and maintain precise parallel tracking.
Multi-Head Drill Index
Positions a multi-spindle drill head vertically, using the equal extend and retract forces to maintain consistent feed rates on both strokes.
Is the Airtac SED Double Rod Cylinder SED100X375 the Right Cylinder?
When sizing this 100 mm bore, step down to the 80 mm bore if you only need 2268 N at 0.5 MPa, or step up to the 125 mm bore for 5734 N. The twin-rod architecture is essential when a machine requires anti-rotation guidance, a rear-rod cam for secondary timing, or a mount for an external limit flag. A plain SED does not hold position on air loss; the piston will drift. For fail-safe holding, select a BSED double-rod rod lock cylinder or add an external pilot-operated check valve.
At 375 mm of stroke, the extended rod length amplifies any side loading. You must use external guide rails to support the load and prevent binding on the bearing covers. To match an existing ISO 15552 cylinder, verify the 375 mm stroke, PT1/2 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2). The SED series omits FB, CA, CB, and CR mounts entirely.
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 SED100X375 FAQ
Because the double-rod design subtracts rod area from both 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.
Yes. The SED100X375 matches ISO 15552 / VDMA 24562 profile dimensions. Just verify your mounting style is supported (Basic, FA, LB, TC, FTC, TCM1, TCM2) and ensure you have rear-rod clearance for the through-rod.
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