Airtac SED Double Rod Cylinder SED100X20S
The AirTAC Airtac SED Double Rod Cylinder SED100X20S 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 20mm, PT1/2 ports, adjustable cushioning.
- BoreØ100 mm
- Stroke20 mm
- Port sizePT1/2
- ConfigurationDouble rod
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SED Double Rod Cylinder SED100X20S
The AirTAC SED100X20S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 100mm bore and 20mm stroke. Because a rod exits both end covers, the effective piston area is identical on extend and retract, yielding an equal 3681 N of force each way at 0.5 MPa. An integrated magnet (-S) allows position tracking via CMSE reed or DMSE electronic sensors.
This extruded aluminum profile body omits external tie rods and provides field-adjustable air cushioning at both ends to decelerate the load near stroke extremes. The rear rod extension is perfect for mounting a cam or secondary mechanism, while the twin-rod design actively resists torsional rotation under heavy loads.
Airtac SED Double Rod Cylinder SED100X20S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED100X20S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø100 mm |
| Stroke | 20 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 SED100X20S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 100 | Bore size in mm. |
| ×20 | 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 SED100X20S Is Used
Servo Press Positioning
Provides 5153 N of equal bidirectional force at 0.7 MPa to clamp and release heavy stamping blanks, using the rear rod to trigger a DMSE electronic sensor for precise press timing.
Pallet Transfer Gate
Leverages the twin-rod anti-rotation characteristic to smoothly raise and lower 751 kgf max divert gates on high-speed packaging lines without torsional binding.
Indexing Drum Cam
Drives a multi-station machining drum where the extended rear rod acts as a physical cam to mechanically trip external micro-switches during the short 20mm stroke cycle.
Is the Airtac SED Double Rod Cylinder SED100X20S the Right Cylinder?
Selecting this 100mm bore provides 3681 N of bidirectional force at 0.5 MPa. If your application requires less force, step down to the 80mm bore for 2268 N; if you need more power, step up to the 125mm bore for 5734 N. Choose this double-rod SED over a single-rod SE when your machine requires anti-rotation guidance, dual-side tooling, or rear-rod position sensing. Remember that a plain SED will drift on air loss, so specify a BSED double-rod lock for fail-safe holding. Ensure your ISO 15552 replacement matches the 100mm bore, 20mm stroke, PT1/2 port, and -S magnet.
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 SED100X20S 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.
A double-rod cylinder provides equal force and speed in both directions, offers better load guidance against rotation, and allows you to mount tooling, cams, or sensors on the rear rod end for dual-side automation.
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