Airtac SED Double Rod Cylinder SED100X250S
The AirTAC Airtac SED Double Rod Cylinder SED100X250S 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 250mm, PT1/2 ports, adjustable cushioning.
- BoreØ100 mm
- Stroke250 mm
- Port sizePT1/2
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED100X250S
The AirTAC SED100X250S is a double-acting, double-rod profile cylinder adhering to the ISO 15552 interface. A 25 mm rod exits both end covers, yielding an identical annulus area on both sides. This means the cylinder outputs exactly 3681 N of force in both extend and retract directions at 0.5 MPa.
Because it carries a magnet for position sensing, this -S variant integrates directly with CMSE reed and DMSE electronic sensors. The extruded aluminum barrel omits external tie rods, and the field-adjustable air cushions at both ends decelerate the load near stroke end. Remember that the rear protruding rod requires clearance behind the rear cover.
Airtac SED Double Rod Cylinder SED100X250S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED100X250S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 250 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 SED100X250S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 100 | Bore size in mm. |
| ×250 | 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 SED100X250S Is Used
Servo Press Sub-Assembly
Drives a multi-stage forming tool with 5153 N of equal both-way force, utilizing the rear rod to actuate a synchronized ejection cam.
Pallet Diverting Gate
Shifts heavy pallets on a packaging line, relying on the twin rods to prevent binding and maintain precise guiding under high side-loading.
Textile Calendering Nip
Applies uniform pressure across a wide roller using the symmetrical 3681 N both-way output at 0.5 MPa to maintain consistent material tension.
Is the Airtac SED Double Rod Cylinder SED100X250S the Right Cylinder?
Selecting this 100 mm bore provides 5153 N of equal both-way force at 0.7 MPa. If you need less power, the 80 mm bore offers 2268 N at 0.5 MPa. If your application requires more thrust, the 125 mm bore provides 5734 N at 0.5 MPa. Choose this double-rod SED over a single-rod SE when you need superior anti-rotation guidance, a rear rod to drive a secondary mechanism, or symmetrical speed. To replace an existing ISO 15552 unit, match the 250 mm stroke, PT1/2 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, or TCM2). At 250 mm stroke, ensure external guides support side loads to prevent binding. Note that a plain SED drifts on air loss; use a BSED 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 SED100X250S FAQ
Because the double-rod design creates equal piston areas on both sides, the force is identical 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. As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 double-rod units. Just match the 100 mm bore, 250 mm stroke, PT1/2 port, and mounting type. Note that the rear rod requires clearance.
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