Airtac SED Double Rod Cylinder SED100X375S
The AirTAC Airtac SED Double Rod Cylinder SED100X375S 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 SED100X375S
The AirTAC SED100X375S is a double-acting, double-rod profile cylinder built to ISO 15552 dimensional standards. A 25mm rod extends from both end covers, yielding equal thrust in both directions—about 3681N at 0.5MPa and 5153N at 0.7MPa. The extruded aluminum barrel has no external tie rods, and adjustable air cushions protect the 36mm cushion strokes at each end.
Fitted with a standard magnet (-S), this 100mm bore unit directly supports DMSE electronic and CMSE reed sensors in its side grooves. The rear rod extension is ideal for mounting a cam or secondary mechanism, while the twin-rod design provides superior anti-rotation stability over single-rod SE cylinders. Porting is PT1/2.
Airtac SED Double Rod Cylinder SED100X375S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED100X375S |
|---|---|
| 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 SED100X375S
| 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 SED100X375S Is Used
Servo Press Ejection
Drives an ejection fork from the front while the rear rod triggers a DMSE sensor, utilizing the 5153N equal force at 0.7MPa to reliably push stamped parts out of a die.
Pallet Transfer Pusher
Moves heavy pallets with 3681N of force at 0.5MPa, where the twin rods prevent the load from twisting during the 375mm transfer across a wide conveyor belt.
Web Edge Guiding
Steers a heavy material web via a rear-rod mounted cam, ensuring precise tracking while the equal both-way 751kgf max thrust prevents slip and backlash.
Is the Airtac SED Double Rod Cylinder SED100X375S the Right Cylinder?
Selecting this 100mm bore provides 3681N of equal bidirectional force at 0.5MPa. If your application requires less thrust, the 80mm bore offers 2268N; if you need more power, the 125mm bore provides 5734N. The double-rod configuration is essential when you need to drive a tool from the rear rod or require precise load guidance against rotation.
For this 375mm stroke, external guide rails are recommended to prevent side loads from bending the 25mm rods and accelerating seal wear. Remember that a plain SED does not hold position on air loss—the piston drifts, and the adjustable cushion only decelerates near stroke end, it does not lock. For fail-safe holding, consider a BSED double-rod rod lock. Drop-in replacement requires matching the 100mm bore, 375mm stroke, PT1/2 port, and mounting type (Basic, FA, LB, TC, FTC, TCM1, or TCM2).
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 SED100X375S FAQ
Because the rod exits both ends, force is identical in extend and retract. It provides 3681N at 0.5MPa, 5153N at 0.7MPa, and a maximum of 751kgf at 1.0MPa.
The twin rods provide equal force both ways and superior anti-rotation guidance. The protruding rear rod allows you to mount a cam or secondary mechanism while maintaining an ISO 15552 mounting interface.
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