Airtac SAID40 Double Rod Cylinder SAID40AX100
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX100 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 SAID40AX100
The AirTAC SAID40X100 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40 mm bore and 100 mm stroke. Because a rod extends from both end covers, the annulus area is identical on both sides, yielding exactly 528 N of force in both extend and retract directions at 0.5 MPa.
This unit uses a SUS420J2 stainless steel rod for enhanced corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches along either rod extension for flexible position feedback.
Airtac SAID40 Double Rod Cylinder SAID40AX100 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX100 |
|---|---|
| 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 SAID40AX100
| 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 SAID40AX100 Is Used
Symmetric Force Transfer
Drives a workpiece back and forth with equal 528 N force on both strokes, ideal for push-pull transfer arms that require consistent dynamic performance.
Anti-Rotation Slides
The twin-rod architecture prevents piston rotation, providing precise linear guidance for sliding mechanisms without needing external guide rails.
Dual-Station Actuation
Mount the primary tool on the front rod end and a secondary cam or position flag on the rear rod end to trigger external limit valves or sensors.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX100 the Right Cylinder?
Select this 40 mm bore when an application requires 528 N of symmetric force both ways at 0.5 MPa; drop down to a 32 mm bore if you only need 345 N, or step up to a 50 mm bore for 825 N. The double-rod design is chosen over a single-rod SAI when you need twin-station actuation, anti-rotation guidance, or rear-rod cam triggering. Note that this standard cylinder does not hold position if air pressure is lost; for load-holding requirements, consider an SAIL lock cylinder or BSAID clamp-lock.
To match this ISO 15552 footprint for drop-in replacement, specify the 40 mm bore, 100 mm stroke, PT port thread, and your required mounting accessory from the SAID set (Basic, FA, LB, TC, FTC, TCM1, TCM2). As this is a 100 mm stroke, side-load on the rod bearing is minimal, but always ensure the rear rod has adequate clearance to protrude.
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 SAID40AX100 FAQ
Because the double-rod design subtracts the rod area on both sides of the piston, the extend and retract forces are equal. It provides 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 is dimensionally interchangeable per ISO 15552 standards. It uses the standard profile mounting interface and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, though it omits FB, CA, CB, and CR brackets.
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