Airtac SAID40 Double Rod Cylinder SAID40X195
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40X195 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 SAID40X195
The AirTAC SAID40X195 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40mm bore and 195mm stroke. Because a carbon steel rod extends from both end covers, the effective piston area is identical in both directions, yielding an equal extend and retract force of 528N at 0.5MPa. This through-rod design provides superior anti-rotation guidance and allows you to drive a primary workpiece on one end while mounting a cam or position flag on the rear.
The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches. It features adjustable air cushioning at both ends (30mm cushion length) to decelerate the piston smoothly near stroke limits. Note that this plain double-rod variant does not hold position unpowered; for fail-safe load holding, consider the SAIL or BSAID series.
Airtac SAID40 Double Rod Cylinder SAID40X195 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40X195 |
|---|---|
| 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 SAID40X195
| 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 SAID40X195 Is Used
Symmetric Force Transfer
Drives a dual-sided clamping mechanism where equal push and pull forces are required to maintain balanced pressure on both ends of the workpiece.
Anti-Rotation Slides
Utilizes the twin-rod guidance to prevent rotation in vertical lifting slides, ensuring high precision without external guide rails.
Through-Rod Sensing
Actuates a primary tool on the front rod while using the rear rod extension to trigger a DMSE solid-state sensor at the opposite end.
Is the Airtac SAID40 Double Rod Cylinder SAID40X195 the Right Cylinder?
Choose this 40mm bore when you need balanced bidirectional force that is higher than the 32mm class (345N at 0.5MPa) but more compact than the 63mm class (1402N). The twin-rod architecture is selected over a single-rod SAI when an application demands dual-side guidance to prevent rotation, or when a rear rod end is needed to trip a remote sensor. Since the stroke is 195mm, the overall length is longer than a standard SAI due to the rear rod protrusion, requiring extra clearance in your machine layout.
This model uses a G1/4 PT port and an M12x1.25 rod thread. It is dimensionally interchangeable per ISO 15552, serving as a drop-in replacement for other standard profile cylinders. The available mounting accessories include Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). For strokes of 300mm or more, an external guide is recommended to prevent rod-bearing bending, though this 195mm stroke is well within safe side-load limits for the 16mm rod.
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 SAID40X195 FAQ
Because the rod exits both ends, the annulus area is equal on both sides. It generates 528N of force in both extend and retract directions at 0.5MPa, and 739N at 0.7MPa.
Yes, the SAID40X195 is dimensionally interchangeable per ISO 15552. It uses the standard mounting interface and a G1/4 port, making it a drop-in replacement for other ISO 15552 profile cylinders.
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