Airtac SAID40 Double Rod Cylinder SAID40AX230
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX230 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 230mm 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
- Stroke230 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX230
The AirTAC SAID40X230 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40 mm bore and 230 mm stroke. Because a rod exits both end covers, the annulus area is identical on extend and retract, yielding an equal 528 N of force in each direction at 0.5 MPa. The barrel is extruded aluminum with sensor grooves on both sides.
This specific unit uses a SUS420J2 stainless steel rod (option A) for superior corrosion resistance compared to standard carbon steel. It has PT tapered G1/4 ports and adjustable air cushioning at both ends to decelerate the piston smoothly. Note that the through-rod design requires extra rear clearance in your layout.
Airtac SAID40 Double Rod Cylinder SAID40AX230 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX230 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 230 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 SAID40AX230
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×230 | 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 SAID40AX230 Is Used
Symmetric Force Transfer
Ideal for pushing and pulling loads that require identical 528 N force and speed in both directions without recalculating area differences.
Anti-Rotation Slides
The twin rods exiting both ends prevent piston rotation, providing precise linear guidance for machining or sliding fixtures.
Rear Cam Actuation
Mount a cam or mechanical flag on the protruding rear rod to trip external mechanical switches or drive a secondary mechanism.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX230 the Right Cylinder?
Select this 40 mm bore over the smaller 32 mm (345 N) when you need higher bidirectional force, or step up to the 50 mm (825 N) if your load demands more thrust. The twin-rod architecture is chosen over a single-rod SAI when the application requires dual-side guidance, anti-rotation stability, or mounting a secondary cam and position flag on the rear rod. For this 230 mm stroke, the unsupported length is moderate, but external guidance is recommended if side loads are high.
This cylinder is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other standard profile double-rod cylinders. It uses the reduced SAID mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR. Remember that a plain SAID does not hold a load if air pressure is lost; use a SAIL lock or external rod lock for position holding. This SKU lacks the -S magnet, so it cannot host reed or electronic sensors.
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 SAID40AX230 FAQ
Because the double-rod design has the same effective area on both sides, it provides 528 N of force at 0.5 MPa, 739 N at 0.7 MPa, and 950 N at 0.9 MPa in both extend and retract directions.
Yes, the SAID40X230 is dimensionally interchangeable per ISO 15552 profile standards. It serves as a drop-in replacement for other double-rod profile cylinders, using standard mounting accessories like FA, LB, and TC.
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