Airtac SED Double Rod Cylinder SED50X290
The AirTAC SED Double Rod Cylinder SED50X290 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 290mm, PT1/4 ports, adjustable cushioning.
- BoreØ50 mm
- Stroke290 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 SED50X290
The AirTAC SED50X290 is a double-acting, double-rod profile cylinder built to ISO 15552 dimensional standards. Because a 20mm rod exits both end covers, the effective piston area is identical on extend and retract. This gives you exactly 825 N of force each way at 0.5 MPa.
The extruded aluminum barrel has no external tie rods, and adjustable air cushions at both ends manage kinetic energy near stroke end. This SKU ships without a magnet, so it lacks position sensing out of the box. The rear rod protrusion is perfect for mounting a cam or driving a secondary mechanism.
Airtac SED Double Rod Cylinder SED50X290 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED50X290 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø50 mm |
| Stroke | 290 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 SED50X290
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 50 | Bore size in mm. |
| ×290 | 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 SED50X290 Is Used
Web Guiding Mechanism
Drives a parallel tracking arm in a film converting line. The twin rods resist rotational twist, while the 825 N bidirectional force keeps the web path aligned without drift.
Dual-Side Pallet Pusher
Transfers workpiece pallets on an assembly conveyor. The rear rod simultaneously trips an external mechanical flag, sequencing the downstream workstation without extra sensors.
Laser Cutter Shuttle
Shuttles a cutting head fixture along a 290mm path. The equal extend and retract speed ensures consistent cycle timing, while the ISO 15552 footprint eases machine retrofitting.
Is the Airtac SED Double Rod Cylinder SED50X290 the Right Cylinder?
Choose this 50mm bore when you need 825 N of bidirectional force at 0.5 MPa. If your load is lighter, step down to the 40mm bore for 528 N. For heavier drives, step up to the 63mm bore providing 1402 N. The twin rods prevent torsional twist better than a single-rod SE cylinder.
For a direct ISO 15552 replacement, match the 290mm stroke, PT1/4 port, and mounting choice (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Note that FB, CA, CB, and CR mounts are omitted from this series. At 290mm stroke, external guide rails are recommended to handle side loads and protect the 20mm rod threads. Air loss will cause drift; use a BSED rod lock 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 SED50X290 FAQ
Because the double-rod design has equal piston area on both sides, output force is identical in both directions: 825 N at 0.5 MPa, 1154 N at 0.7 MPa, and a maximum of 168 kgf at 1.0 MPa.
The twin rods provide superior anti-rotation stability and allow the rear rod to drive a secondary mechanism or cam. It also makes the cylinder dimensionally interchangeable with other ISO 15552 double-rod profile cylinders.
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