Airtac SED Double Rod Cylinder SED40X300S
The AirTAC Airtac SED Double Rod Cylinder SED40X300S is a genuine double-acting ISO 15552 double-rod cylinder: a Ø16mm piston rod exits BOTH ends of the Ø40mm bore, giving equal force and speed in both directions and letting you mount tooling or a sensor flag on the back rod. Stroke 300mm, PT1/4 ports, adjustable cushioning.
- BoreØ40 mm
- Stroke300 mm
- Port sizePT1/4
- ConfigurationDouble rod
- Rod threadM12×1.25
- 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 SED40X300S
The AirTAC SED40X300S is a double-acting, double-rod profile cylinder built to ISO 15552 dimensions. Because a 16mm rod exits both end covers, the annulus area is identical on each side. This means you get exactly 528 N of output force at 0.5 MPa in both extend and retract directions. The extruded aluminum barrel contains no external tie rods, ensuring a clean profile that drops directly into standard ISO 15552 mounting interfaces.
Equipped with a magnet (-S), this unit supports CMSE reed and DMSE electronic sensors for dual-end position tracking. The 300mm stroke requires careful external guiding to manage side loads, while the field-adjustable air cushioning at both ends safely decelerates the piston near stroke end. The rear rod extension can drive a secondary mechanism or mount a cam.
Airtac SED Double Rod Cylinder SED40X300S Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED40X300S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 300 mm |
| Configuration | Double rod, double acting |
| Port size | PT1/4 |
| Rod thread | M12×1.25 |
| 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 (Ø40mm)
| Pressure | Force (both directions) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 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 SED40X300S
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 40 | Bore size in mm. |
| ×300 | 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 SED40X300S Is Used
PCB Edge Trimming
Drives a cutting head on a 300mm stroke with 528 N of equal force both ways, using the rear rod to trigger a DMSE electronic sensor for precise cut positioning.
Dual-End Transfer Pusher
Transfers small electronic housings between two conveyors simultaneously, leveraging the twin rods' anti-rotation properties and 739 N force at 0.7 MPa.
Pick-and-Place Y-Axis
Acts as a vertical Y-axis gantry lift for packaging tasks, relying on the 30mm adjustable cushion to decelerate loads smoothly at both stroke extremes.
Is the Airtac SED Double Rod Cylinder SED40X300S the Right Cylinder?
Choose this 40mm bore when you need 528 N of equal bidirectional force at 0.5 MPa. If your application requires less force, step down to the 32mm bore providing 345 N both ways. If you need more power, step up to the 50mm bore delivering 825 N. The twin-rod design inherently resists rotation and handles dual loads better than a single-rod SE cylinder. At a 300mm stroke, external guide rails are highly recommended to prevent binding and manage side loads. Remember that a plain SED does not hold position on air loss; for fail-safe locking, consider a BSED double-rod rod lock cylinder. Replacement matching requires bore, stroke, PT1/4 port, and mounting choice (Basic, FA, LB, TC, FTC, TCM1, or TCM2).
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 SED40X300S FAQ
Because the double-rod design occupies both sides of the piston, force is identical in both directions. This 40mm bore cylinder provides 528 N at 0.5 MPa, 739 N at 0.7 MPa, and a maximum of 108 kgf at 1.0 MPa.
The twin-rod design provides equal force and speed in both directions, offers better load guidance against rotation, and allows you to mount a sensor flag or cam on the rear rod. It is dimensionally interchangeable per ISO 15552 but omits FB, CA, CB, and CR mountings.
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