Airtac SAID40 Double Rod Cylinder SAID40AX5S
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX5S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 5mm 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
- Stroke5 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX5S
The AirTAC SAID40X5-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 5mm stroke and a built-in magnet for position sensing. Because a rod extends from both end covers, the annulus area is identical on both sides, yielding an equal extend and retract force of 528N at 0.5MPa. This symmetric output is ideal for mechanisms requiring consistent push and pull dynamics.
Equipped with a SUS420J2 stainless steel rod and PT tapered port threads, this compact actuator allows you to mount the primary workpiece on one end and a cam or position flag on the opposite rear rod. The extruded aluminum barrel includes sensor grooves on both sides, and the -S magnet directly interfaces with AirTAC CMSE reed and DMSE solid-state switches for precise end-of-stroke detection.
Airtac SAID40 Double Rod Cylinder SAID40AX5S Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX5S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 5 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 SAID40AX5S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×5 | 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 SAID40AX5S Is Used
Symmetric Transfer
Drives a workpiece from both ends to ensure perfectly balanced push and pull forces for stable part transfer.
Anti-Rotation Slide
The twin-rod architecture prevents piston rotation, guiding compact slides and pick-and-place heads accurately.
Dual-Station Actuation
Mount a primary tool on the front rod and a cam or limit flag on the rear rod to trigger external sensors.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX5S the Right Cylinder?
Choose this 40mm bore double-rod cylinder when an application demands equal force both ways (528N at 0.5MPa) and anti-rotation guidance that a single-rod SAI cannot provide. If your mechanism requires less force, stepping down to a 32mm bore yields 345N both ways; if more force is needed, a 50mm bore provides 825N. The extremely short 5mm stroke is optimal for high-speed clamping or indexing tasks operating within the 30-800mm/s speed range.
As a dimensionally interchangeable ISO 15552 cylinder, it serves as a drop-in replacement for other standard profile double-rod cylinders. It supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). Note that the adjustable air cushions only decelerate the piston near stroke end; this unit does not hold the load if air pressure is lost. For dead-load holding, consider an external pilot-operated check valve or the SAIL lock variant.
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 SAID40AX5S FAQ
Because the double-rod design subtracts the rod area on both sides, the push and pull forces are equal. It delivers 528N at 0.5MPa, 739N at 0.7MPa, and 950N at 0.9MPa in both directions.
Yes, the SAID40X5-S is a true ISO 15552 profile cylinder, making it dimensionally interchangeable with other standard double-rod cylinders. It uses a PT G1/4 port and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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