
The AirTAC Airtac SED Double Rod Cylinder SED40X45S 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 45mm, PT1/4 ports, adjustable cushioning.
The AirTAC SED40X45S is a double-acting, double-rod ISO 15552 profile cylinder with a 40mm bore and 45mm stroke. A 16mm rod exits both end covers, yielding identical annulus areas. This means drive force is perfectly symmetrical, generating about 528 N in both directions at 0.5 MPa. The extruded aluminum barrel omits external tie rods for a clean profile.
Equipped with a standard -S magnet, this unit supports CMSE reed and DMSE electronic sensors for end-of-stroke detection. Field-adjustable air cushions at both ends provide 30mm of deceleration, while the PT1/4 porting ensures rapid pressurization for its 30-800 mm/s speed range.
| Model | Airtac SED Double Rod Cylinder SED40X45S |
|---|---|
| Series | SED ISO 15552 double-rod cylinder |
| Bore size | Ø40 mm |
| Stroke | 45 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).
| 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.
| SED | ISO 15552 profile-barrel DOUBLE-ROD double-acting cylinder. |
|---|---|
| 40 | Bore size in mm. |
| ×45 | 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).
Drives a self-aligning cutter using the 528 N equal both-way force to cleanly shear board edges without rotational drift.
Uses the twin 16mm rods to push and pull a light parts shuttle between stations, maintaining parallel load tracking.
Actuates a nip roller from both ends to ensure uniform web tension, leveraging the 45mm short stroke for rapid clamping.
Choose this 40mm bore when an application demands 528 N of equal bidirectional force at 0.5 MPa. If you need less push, step down to the 32mm bore delivering 345 N both ways; if your load is heavier, step up to the 50mm bore providing 825 N. The twin-rod design is preferred over a single-rod SE cylinder when you need superior anti-rotation guidance or wish to drive a secondary mechanism from the rear rod. For position holding during air loss, note that a standard SED drifts; you would need a BSED rod-lock variant or external brake.
To replace an ISO 15552 cylinder, match the 40mm bore, 45mm stroke, PT1/4 port, and mounting choice (Basic, FA, LB, TC, FTC, TCM1, or TCM2). The -S suffix confirms the internal magnet is installed for DMSE/CMSE sensors.
Quick checklist
Because the double-rod design creates equal annulus areas on both sides, output force is identical in extend and retract. It provides 528 N at 0.5 MPa, 739 N at 0.7 MPa, and a maximum of 108 kgf at 1.0 MPa.
Yes, it is dimensionally interchangeable per ISO 15552. Match the 40mm bore, 45mm stroke, PT1/4 port, and mounting style (Basic, FA, LB, TC, FTC, TCM1, TCM2). Ensure you leave rear-rod clearance, as the rod protrudes both covers.
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