Airtac SED Double Rod Cylinder SED50X200
The AirTAC Airtac SED Double Rod Cylinder SED50X200 is a genuine double-acting ISO 15552 double-rod cylinder: a Ø20mm piston rod exits BOTH ends of the Ø50mm bore, giving equal force and speed in both directions and letting you mount tooling or a sensor flag on the back rod. Stroke 200mm, PT1/4 ports, adjustable cushioning.
- BoreØ50 mm
- Stroke200 mm
- Port sizePT1/4
- ConfigurationDouble rod
- Rod threadM16×1.5
- CushionAdjustable, 30 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SED Double Rod Cylinder SED50X200
The AirTAC SED50X200 is a double-acting, double-rod ISO 15552 profile cylinder with a 50mm bore and 200mm stroke. Because a 20mm rod exits both end covers, the annulus area is identical on both sides. This yields perfectly equal force in both directions at 825N for 0.5MPa and 1154N for 0.7MPa.
This twin-rod design provides superior anti-rotation stability and allows the rear rod end to drive a secondary mechanism or cam. It shares the SE extruded aluminum barrel and adjustable air cushions at both ends. Note that this specific SKU lacks the -S magnet option, so it cannot host CMSE or DMSE position sensors.
Airtac SED Double Rod Cylinder SED50X200 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED50X200 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 200 mm |
| Configuration | Double rod, double acting |
| Port size | PT1/4 |
| Rod thread | M16×1.5 |
| 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, 30 mm |
| Max stroke | Up to 1200 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 (Ø50mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 825 N |
| 0.7 MPa | 1155 N |
| Max (@1.0 MPa) | 168 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 SED50X200
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×200 | 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 SED50X200 Is Used
Web Guiding Mechanisms
Drives opposing nip rollers on film or paper lines. The equal 825N both-way force ensures perfectly balanced tension control across the 200mm travel.
Transfer Shuttle Drives
Moves a dual-sided parts shuttle between machining stations. The twin 20mm rods prevent binding and resist rotational torque during the 200mm transfer.
Cam-Actuated Pressing
Uses the rear rod end to trigger a limit cam while the front rod performs an 1154N pressing operation at 0.7MPa, saving space on small assembly machines.
Is the Airtac SED Double Rod Cylinder SED50X200 the Right Cylinder?
Selecting this 50mm bore makes sense when your mechanism requires perfectly symmetrical push and pull forces. If you need less force, step down to the 40mm bore (528N at 0.5MPa). If your load demands more power, step up to the 63mm bore (1402N at 0.5MPa). The 200mm stroke is standard and well within the 1200mm maximum.
Choose this double-rod SED over a single-rod SE when your application requires dual-side guidance or a rear-rod output. Remember that a standard SED does not hold position on air loss; the piston drifts. For fail-safe holding, use a BSED rod-lock cylinder or an external lock. This unit uses PT1/4 ports and M16x1.5 rod threads. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR).
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 SED50X200 FAQ
Because the double-rod design has equal piston area on both sides, the force is identical in both directions: 825N at 0.5MPa, 1154N at 0.7MPa, and a maximum of 168kgf at 1.0MPa.
Yes. The SED50X200 is dimensionally interchangeable per ISO 15552 / VDMA 24562. Just ensure you have rear-rod clearance for the 200mm stroke, and note that it uses a PT1/4 port.
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