Airtac SAID40 Double Rod Cylinder SAID40AX105S
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX105S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 105mm 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
- Stroke105 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX105S
The AirTAC SAID40X105-S is a double-acting, double-rod profile cylinder built to ISO 15552 dimensional standards. Because the piston rod extends from both end covers, the effective annular area is identical on extend and retract. This provides an equal force of 528 N in both directions at 0.5 MPa, ensuring perfectly symmetric motion for your dual-side mechanisms.
This specific configuration features a SUS420J2 stainless steel rod for enhanced corrosion resistance and includes a built-in magnet for position sensing. The extruded aluminum barrel houses sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches wherever fits best. As a 105 mm stroke unit, it is a non-standard made-to-order length, requiring slightly extended lead times compared to standard increments.
Airtac SAID40 Double Rod Cylinder SAID40AX105S Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX105S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 105 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 SAID40AX105S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×105 | 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 SAID40AX105S Is Used
Symmetric Transfer
Drives a transfer shuttle from one side while the opposing rear rod moves an identical load, ensuring perfectly balanced and equal-speed transport without external linkages.
Anti-Rotation Slides
The twin-rod geometry prevents piston rotation during vertical or horizontal slide movements, maintaining precise tool alignment without needing external guide rails.
Dual-Station Actuation
Mount the workpiece on the front rod end and a rear limit flag for CMSE/DMSE sensors, allowing one cylinder to actuate a primary mechanism while signaling completion to the PLC.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX105S the Right Cylinder?
Select this 40 mm bore double-rod cylinder when your application demands equal push and pull forces, such as synchronizing two opposing stations from a single actuator. If your mechanism requires less force, stepping down to a 32 mm bore yields 345 N each way; if you need more thrust, the 63 mm bore provides 1402 N. Unlike a single-rod SAI cylinder, the SAID twin-rod design inherently resists rotation and allows you to mount a cam or position flag on the rear rod extension.
This model uses PT tapered port threads and accepts the standard ISO 15552 mounting accessories (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that the adjustable air cushions at both ends only decelerate the piston near stroke end; they do not hold the load. If air pressure is lost, the cylinder will drift, so use an external pilot-operated check valve for position holding. Stroke is 105 mm.
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 SAID40AX105S FAQ
Because it is a double-rod cylinder, the push and pull forces are equal. It generates 528 N in both directions at 0.5 MPa, 739 N at 0.7 MPa, and 950 N at 0.9 MPa.
Yes, the SAID40X105-S is dimensionally interchangeable per ISO 15552. It shares the same mounting footprint and accessory interface as other standard ISO 15552 profile cylinders, allowing for a direct drop-in replacement.
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