Airtac SAID40 Double Rod Cylinder SAID40AX5
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX5 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 SAID40AX5
The AirTAC SAID40X5 is a double-acting, double-rod ISO 15552 profile cylinder featuring a minimal 5 mm stroke. Because a rod exits both end covers, the effective piston area is identical in both directions, yielding an equal push and pull force of 528 N at 0.5 MPa. The extruded aluminum barrel integrates sensor grooves on both sides for straightforward position feedback.
Equipped with a SUS420J2 stainless steel rod (material code A), this unit provides excellent corrosion resistance for demanding environments. The twin-rod architecture allows you to mount the primary workpiece on one end and a cam or position flag on the rear rod, delivering superior anti-rotation guidance for short-stroke precision tasks.
Airtac SAID40 Double Rod Cylinder SAID40AX5 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX5 |
|---|---|
| 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 SAID40AX5
| 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 SAID40AX5 Is Used
Symmetric Transfer
Drives a workpiece between two stations with identical force and speed in both directions, ensuring perfectly balanced motion for short-stroke assembly tasks.
Anti-Rotation Slide
The twin-rod design keeps the load guided against rotation better than a single rod, providing stable linear movement for precision clamping.
Rear-Cam Actuation
Mount the primary tool on the front rod and a cam or position flag on the rear protruding rod to trigger external mechanical switches or secondary mechanisms.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX5 the Right Cylinder?
Choose this 5 mm stroke variant when a compact, symmetric transfer motion is required without the space for a longer actuator. If your application demands higher force, stepping up to the neighbouring bore 50 provides 825 N each way at 0.5 MPa. Unlike a single-rod SAI, the SAID40X5 is selected when you need dual-side actuation or rear-rod sensing capabilities.
This cylinder uses a PT tapered port thread and operates at speeds between 30 and 800 mm/s. It is dimensionally interchangeable per ISO 15552, utilizing a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) that omits FB, CA, CB, and CR. Note that the adjustable air cushions at both ends 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 explore the SAIL series.
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 SAID40AX5 FAQ
The SAID40X5 double-rod cylinder provides an equal force of 528 N in both extend and retract directions at 0.5 MPa. Because the rod occupies both sides of the piston, the push and pull forces are identical.
Yes, the SAID40X5 is a profile cylinder that is dimensionally interchangeable with other ISO 15552 double-rod cylinders. It shares the standard 40 mm bore mounting footprint and uses PT tapered port threads.
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