Airtac SED Double Rod Cylinder SED100X185
The AirTAC Airtac SED Double Rod Cylinder SED100X185 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 185mm, PT1/2 ports, adjustable cushioning.
- BoreØ100 mm
- Stroke185 mm
- Port sizePT1/2
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED100X185
The AirTAC SED100X185 is a double-acting, double-rod profile cylinder operating on the ISO 15552 interface. Because a 25 mm rod exits both end covers, the annulus area is identical on extend and retract. This yields exactly 3681 N of force each way at 0.5 MPa, eliminating directional thrust imbalance.
This 100 mm bore unit features a PT1/2 port, an M20x1.5 rod thread, and field-adjustable air cushions at both ends. It carries no standard magnet, meaning position sensing is not equipped on this SKU. The extruded aluminum barrel avoids external tie-rods, while the rear rod extension can drive a secondary mechanism or cam.
Airtac SED Double Rod Cylinder SED100X185 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED100X185 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 185 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 SED100X185
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 100 | Bore size in mm. |
| ×185 | 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 SED100X185 Is Used
Servo Press Platen
Drives a 185 mm stroke platen in an assembly press, using the 5153 N both-way force to stamp and eject parts with identical power.
Pallet Diverting Gate
Actuates a heavy diverting gate on a packaging conveyor, relying on the twin rods to prevent torsional binding under lateral load.
Indexing Drum Cam
Uses the protruding rear rod to strike a cam and index a rotary drum, while the front rod simultaneously clamps a workpiece.
Is the Airtac SED Double Rod Cylinder SED100X185 the Right Cylinder?
Choose this 100 mm bore when an application requires 3681 N of bidirectional thrust at 0.5 MPa. If your load is lighter, stepping down to the 80 mm bore provides 2268 N both ways. If you need more power, the 125 mm bore offers 5734 N. Buyers should verify their stroke, port, and mounting needs for a direct ISO 15552 replacement.
The twin rods provide superior anti-rotation resistance compared to a single-rod SE cylinder, making it ideal for guiding heavy loads. Note that a plain SED does not hold position upon air loss; the piston will drift. For fail-safe holding, consider a BSED double-rod rod lock or an external pilot-operated check valve. Since the stroke is 185 mm, ensure external guides accommodate 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 SED100X185 FAQ
Because the double-rod design has equal piston areas on both sides, output 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. The SED100X185 is a true ISO 15552 profile cylinder with no external tie-rods. It offers drop-in dimensional interchangeability for any standard ISO 15552 double-rod cylinder with matching mounting and PT1/2 ports.
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