Airtac SAID40 Double Rod Cylinder SAID40AX195
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX195 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 195mm 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
- Stroke195 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX195
The AirTAC SAID40X195 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40 mm bore and a 195 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 each way at 0.5 MPa. This through-rod architecture is highly valued for mounting a primary workpiece on the front end while utilizing the rear protrusion for a cam, position flag, or secondary mechanism.
This specific configuration incorporates a SUS420J2 stainless steel rod (material code A) for superior corrosion resistance compared to standard carbon steel. It utilizes PT tapered port threading and lacks a magnet, meaning position sensing must be handled externally rather than via internal CMSE or DMSE switches. The extruded aluminum barrel includes sensor grooves on both sides, and adjustable air cushions at both ends ensure smooth deceleration across its 30-800 mm/s speed range.
Airtac SAID40 Double Rod Cylinder SAID40AX195 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX195 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 195 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 SAID40AX195
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×195 | 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 SAID40AX195 Is Used
Symmetric Force Transfer
Provides exactly 528 N of push and pull force at 0.5 MPa, ensuring perfectly balanced actuation for assemblies requiring identical force profiles in both directions.
Anti-Rotation Slides
The twin-rod design inherently resists torsional twist, keeping guided loads perfectly aligned without the complexity of external linear bearings.
Twin-Station Actuation
Drives a primary tool on the front rod face while simultaneously operating a secondary mechanism or limit flag from the rear rod end.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX195 the Right Cylinder?
Selecting this 40 mm bore makes sense when your application requires balanced bidirectional force and anti-rotation guidance that a single-rod SAI cannot provide. If you need slightly less force, stepping down to a 32 mm bore provides 345 N both ways, while a 50 mm bore offers 825 N for heavier symmetric loads. Remember that a plain SAID does not hold position if air pressure drops; for fail-safe load holding, consider the SAIL lock or BSAID clamp-lock variants instead.
Because the 195 mm stroke is a non-standard made-to-order length, expect a longer lead time. The overall extended length is greater than a single-rod cylinder, so ensure your layout has adequate rear-rod clearance. Although the 16 mm rod and M12x1.25 thread handle moderate side loads well, any stroke over 300 mm generally requires an external guide to prevent rod-bearing bending.
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 SAID40AX195 FAQ
Because the rod occupies both sides of the piston, the effective area is the same in both directions. It delivers 528 N of force at 0.5 MPa, 739 N at 0.7 MPa, and 950 N at 0.9 MPa on both extend and retract strokes.
Yes, the SAID40X195 is dimensionally interchangeable per ISO 15552 and serves as a drop-in replacement for other ISO 15552 double-rod cylinders. It uses the standard SAID mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and a PT G1/4 port.
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