Airtac SAID40 Double Rod Cylinder SAID40AX190
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX190 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 190mm 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
- Stroke190 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX190
The AirTAC SAID40X190 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40mm bore and 190mm stroke. Because the piston rod extends from both end covers, the annulus area is identical on both sides, yielding exactly 528N of output force in both extend and retract directions at 0.5 MPa. This symmetric force capability makes it ideal for mechanisms requiring consistent push and pull dynamics.
This specific configuration utilizes a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to mount position switches along either rail as your layout demands. A rod protruding from the rear cover also provides an excellent mounting point for a cam or limit flag to trigger external sensors.
Airtac SAID40 Double Rod Cylinder SAID40AX190 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX190 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 190 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 SAID40AX190
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×190 | 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 SAID40AX190 Is Used
Symmetric Transfer
Drives a transfer shuttle where the equal 528N extend and retract forces ensure smooth, consistent acceleration of workpieces in both directions without speed disparities.
Anti-Rotation Slide
The twin-rod geometry prevents piston rotation, providing precise linear guidance for a vertical lifting slide that cannot tolerate torsional play.
Rear-Cam Sensing
Mounts a physical cam or flag on the rear rod end to trip external mechanical limit switches, keeping the primary front rod clear for the primary work tool.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX190 the Right Cylinder?
Selecting this 40mm bore over the smaller SAID32X190 doubles your both-way force from 345N to 528N at 0.5 MPa, while stepping up to a SAID63X190 provides a substantial jump to 1402N if your payload demands it. The double-rod architecture is chosen over a single-rod SAI when the application requires superior anti-rotation guidance, dual-side work mounting, or rear-rod position sensing. It utilizes a PT tapered port thread and accepts mounting accessories from the SAID subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting the FB, CA, CB, and CR variants reserved for single-rod units).
Since this model features a 190mm stroke, it falls under the 300mm threshold where external side-load guides become strictly mandatory, though the 16mm rod diameter still handles standard axial loads well. Note that the adjustable air cushions at both ends only decelerate the piston near stroke end; they do not hold the load. If your system loses air pressure, the cylinder will drift, requiring an external pilot-operated check valve or a related locking type like SAIL or BSAID for secure position holding.
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 SAID40AX190 FAQ
Because it is a double-rod cylinder, the effective piston area is identical on both sides. It generates 528N of force in both the extend and retract directions at 0.5 MPa, and 739N both ways at 0.7 MPa.
Yes, the SAID40X190 is dimensionally interchangeable per ISO 15552 mounting dimensions, allowing it to serve as a drop-in replacement for other standard ISO 15552 double-rod profile cylinders. It uses a G1/4 port and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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