Airtac SAID40 Double Rod Cylinder SAID40AX100S
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 100mm 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
- Stroke100 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX100S
The AirTAC SAID40X100-S is a double-acting, double-rod ISO 15552 profile cylinder. Because a rod exits both ends, the annulus area is identical on extend and retract, yielding exactly 528 N of force in each direction at 0.5 MPa. This symmetric output is ideal for twin-station actuation and maintaining balanced momentum.
This specific configuration includes a magnet for position sensing and uses SUS420J2 stainless steel rods for enhanced corrosion resistance. The extruded aluminum barrel features sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches on either end to track the through-rod motion.
Airtac SAID40 Double Rod Cylinder SAID40AX100S Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 100 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 SAID40AX100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×100 | 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 SAID40AX100S Is Used
Symmetric Force Transfer
Drives a workpiece from both ends with identical 528 N force and speed in both directions, ensuring perfectly balanced momentum for precision transfer arms.
Anti-Rotation Slides
The twin through-rods prevent mechanical twisting under offset loads, keeping guided slides and lifting platforms perfectly stable without external guides.
Rear-End Sensing
Mounts a CMSE or DMSE sensor flag on the rear rod end to trigger secondary mechanisms or confirm retraction without interfering with the primary front-side tooling.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX100S the Right Cylinder?
Choose this 40mm bore when an application requires equal push and pull forces—stepping down to a 32mm bore drops the both-way force to 345 N, while upgrading to a 50mm bore raises it to 825 N. The double-rod design is preferred over a single-rod SAI when you need dual-side guidance, anti-rotation stability, or a rear rod end to mount a secondary cam and position flag.
This model uses PT tapered port threads and supports the reduced SAID mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB and CA styles. Note that the adjustable air cushions only decelerate the piston near stroke end; they do not hold a load. If your system loses air pressure, the cylinder will drift—use a SAIL lock or external pilot-operated check valve for position holding.
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 SAID40AX100S FAQ
Because the double-rod design subtracts the rod area on both sides, the push and pull forces are equal. It generates 528 N at 0.5 MPa, 739 N at 0.7 MPa, and 950 N at 0.9 MPa in both directions.
Yes, the SAID40X100-S is dimensionally interchangeable per ISO 15552. It uses the standard profile mounting footprint and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, though it omits FB and CA styles found on single-rod variants.
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