Airtac SED Double Rod Cylinder SED40X40
The AirTAC Airtac SED Double Rod Cylinder SED40X40 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 40mm, PT1/4 ports, adjustable cushioning.
- BoreØ40 mm
- Stroke40 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 SED40X40
The AirTAC SED40X40 is a double-acting, double-rod profile cylinder built to the ISO 15552 interface. Because a 16mm rod exits both end covers, the annulus area is identical on extend and retract, yielding an equal 528N of force in both directions at 0.5 MPa. The extruded aluminum barrel contains no external tie rods, ensuring a clean exterior that drops right into existing ISO 15552 mounting footprints.
This specific SKU lacks the -S magnet option, so it has no built-in position sensing out of the box. The rear rod extension can be used to drive a secondary mechanism or mount a cam, while adjustable air cushions at both ends provide kinetic energy absorption near the 40mm stroke limits.
Airtac SED Double Rod Cylinder SED40X40 Technical Specifications
| Model | Airtac SED Double Rod Cylinder SED40X40 |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 40 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 SED40X40
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 40 | Bore size in mm. |
| ×40 | 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 SED40X40 Is Used
Wire Harness Transfer
Equal 528N force in both directions drives a shuttle carriage back and forth across a 40mm stroke without speed variation between extend and retract.
PCB Depaneling Saw
The twin 16mm rods prevent chassis rotation during blade plunge cuts, while the rear rod end mounts an external physical limit flag.
Pick-and-Place Flipper
Rear rod end actuates a secondary gripper cam simultaneously with the main 40mm extend motion, synchronizing two machine actions in one stroke.
Is the Airtac SED Double Rod Cylinder SED40X40 the Right Cylinder?
Select this 40mm bore when you need 528N both-way force at 0.5 MPa (739N at 0.7 MPa, max 108kgf at 1.0 MPa). If your load requires less power, step down to the 32mm bore providing 345N both ways; if you need more thrust, step up to the 50mm bore yielding 825N both ways. The twin-rod design is preferred over a single-rod SE cylinder when the application demands anti-rotation stability or dual-side load guiding. Note that a plain SED does not hold position on air loss; for fail-safe holding, use a BSED double-rod lock or external check valve. Replacement requires matching the 40mm bore, 40mm stroke, PT1/4 port, and mounting subset (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 SED40X40 FAQ
Because the double-rod design has equal piston areas on both sides, it outputs 528N at 0.5 MPa and 739N at 0.7 MPa in both extend and retract directions. The maximum force is 108kgf at 1.0 MPa.
The twin rods provide superior anti-rotation guidance and allow the rear rod to drive secondary tooling or a cam. It is dimensionally interchangeable with other ISO 15552 double-rod cylinders, but note it requires rear-rod clearance and does not hold position on air loss.
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