Airtac SAID40 Double Rod Cylinder SAID40AX190S
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX190S 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 SAID40AX190S
The AirTAC SAID40X190-S 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 effective annulus area is identical on both sides, yielding exactly 528N of force in both extend and retract directions at 0.5 MPa. The -S suffix indicates an integrated magnet for position sensing.
This model is configured with a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and 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 to track dual-end movement.
Airtac SAID40 Double Rod Cylinder SAID40AX190S Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX190S |
|---|---|
| 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 SAID40AX190S
| 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 SAID40AX190S Is Used
Symmetric Force Transfer
Drives workpieces with identical 528N force and speed in both directions, ensuring perfectly balanced motion for pressing or clamping operations.
Anti-Rotation Slides
The twin-rod architecture prevents piston rotation without external guides, providing stable linear movement for precision handling.
Dual-End Sensing
Utilize the -S magnet with DMSE electronic switches on the rear rod extension to trigger secondary mechanisms or confirm full retraction.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX190S the Right Cylinder?
Select this 40mm bore when an application demands equal push and pull forces, such as symmetric transfer or anti-rotation slides, which a single-rod SAI cannot provide. If your mechanism requires less force, stepping down to the 32mm bore yields 345N both ways; stepping up to the 50mm bore provides 825N. This cylinder uses a reduced mounting accessory set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR options.
To replace an existing ISO 15552 double-rod cylinder, match the 40mm bore, 190mm stroke, PT port thread, and mounting style, ensuring you specify the -S magnet if sensors are required. Note that a plain SAID does not hold its position if air pressure is lost; for dead-load holding, consider an external pilot-operated check valve or the BSAID clamp-lock variant. Since the stroke is under 300mm, side-load stress on the rod bearing is moderate, but external guidance is still recommended for heavy radial loads.
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 SAID40AX190S FAQ
Because it is a double-rod cylinder, the force is equal in both directions. It provides 528N at 0.5 MPa, 739N at 0.7 MPa, and 950N at 0.9 MPa for both extend and retract strokes.
Yes, the SAID40X190-S is dimensionally interchangeable per ISO 15552. You can use it as a drop-in replacement by matching the 40mm bore, 190mm stroke, PT ports, and mounting accessories, without claiming it is identical to a specific brand's part.
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