Airtac SAID40 Double Rod Cylinder SAID40AX80S
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX80S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 80mm stroke, G1/4 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ40 mm
- Stroke80 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX80S
The AirTAC SAID40X80-S is a double-acting, double-rod ISO 15552 profile cylinder. A single piston drives a rod out of both end covers, yielding identical extend and retract forces. It generates 528 N of thrust each way at 0.5 MPa and operates at speeds between 30 and 800 mm/s.
This specific variant features a SUS420J2 stainless steel rod (material code A) for superior corrosion resistance. The integrated -S magnet works seamlessly with AirTAC CMSE reed and DMSE solid-state sensors, which seat neatly into the extruded aluminum barrel's dual-side sensor grooves. Fluid supply requires air filtered to 40 um.
Airtac SAID40 Double Rod Cylinder SAID40AX80S Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX80S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| 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 |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max stroke | Up to 1200 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID40 Double Rod Cylinder SAID40AX80S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac SAID40 Double Rod Cylinder SAID40AX80S Is Used
Symmetric Transfer
Drives a workpiece on the front rod extension while simultaneously moving a parallel secondary mechanism on the rear rod end, ensuring perfectly synchronized motion.
Anti-Rotation Slides
The twin-rod design naturally resists mechanical torsion, keeping guided loads stable and preventing unwanted rotation during transit.
Dual-Side Sensing
Leverages the -S magnet with DMSE electronic sensors in the dual barrel grooves to track end-of-stroke positions from either side of the machine frame.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX80S the Right Cylinder?
Select this 40 mm bore when an application demands equal push and pull forces, which here both provide 528 N at 0.5 MPa. Stepping down to a 32 mm bore drops the bidirectional force to 345 N, while upgrading to a 50 mm bore raises it to 825 N. Choose the double-rod SAID configuration over a single-rod SAI when you need twin-station actuation, anti-rotation guidance, or rear-rod position sensing.
As a true ISO 15552 profile cylinder, it serves as a drop-in replacement for other ISO 15552 double-rod cylinders. Ensure your setup includes the correct PT port fittings and a mounting accessory from the SAID subset: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (omitting FB, CA, CB, and CR). Note that the adjustable air cushions only decelerate the piston near stroke end; they do not hold a load. If position holding without live air pressure is required, use an external rod lock or pilot-operated check valve.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAID40 Double Rod Cylinder SAID40AX80S FAQ
Because the rod occupies both sides of the piston, the effective annulus area is identical in both directions. It delivers 528 N of force on both extend and retract at 0.5 MPa, and 739 N at 0.7 MPa.
Yes. The SAID40X80-S is dimensionally interchangeable per ISO 15552. It uses a standard 40 mm profile footprint with G1/4 ports, allowing it to drop directly into existing machinery setups designed for ISO 15552 double-rod cylinders.
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