Airtac SAID40 Double Rod Cylinder SAID40X190
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40X190 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 SAID40X190
The AirTAC SAID40X190 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40mm bore and 190mm stroke. Because a carbon steel rod exits both end covers, the annulus area is identical on extend and retract, yielding exactly 528 N of force both ways at 0.5 MPa. This twin-rod layout provides superior anti-rotation guidance compared to a single-rod SAI.
You can mount the primary workpiece on the front rod end while utilizing the rear extension for a secondary cam or position flag. The extruded aluminum barrel includes sensor grooves on both sides for tracking travel, and the adjustable air cushions at both ends ensure smooth deceleration near stroke limits.
Airtac SAID40 Double Rod Cylinder SAID40X190 Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40X190 |
|---|---|
| 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 SAID40X190
| 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 SAID40X190 Is Used
Symmetric Force Transfer
Drives shuttle mechanisms where identical push and pull forces (528 N at 0.5 MPa) ensure consistent momentum handling in both travel directions.
Through-Rod Sensing
Mounts the primary tool on the front rod while the rear 16mm extension carries a cam or flag to trigger external position sensors.
Anti-Rotation Slides
Utilizes the twin-rod guidance to prevent torsional movement on precision handling slides, replacing bulkier external linear guides.
Is the Airtac SAID40 Double Rod Cylinder SAID40X190 the Right Cylinder?
Select this 40mm bore when an application demands symmetric force and speed in both directions, requiring 528 N at 0.5 MPa (or 739 N at 0.7 MPa). If your push requirements are lower, step down to the SAID32 (345 N at 0.5 MPa); if higher, move up to the SAID50 (825 N at 0.5 MPa). A double-rod design is chosen over a single-rod SAI when you need dual-side guidance, rear-rod sensing, or to drive two mechanisms simultaneously.
This model uses PT G1/4 ports and a 16mm rod with an M12x1.25 thread. Note that a plain SAID does not hold its load when air is removed; the piston drifts if pressure drops. For position holding, consider an external pilot-operated check valve, the SAIL lock, or the BSAID clamp-lock. As a dimensionally interchangeable ISO 15552 component, it serves as a drop-in replacement for other standard double-rod profile cylinders.
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 SAID40X190 FAQ
The double-rod design provides equal force in both directions. It delivers 528 N at 0.5 MPa, 739 N at 0.7 MPa, and 950 N at 0.9 MPa.
Yes, it is dimensionally interchangeable per ISO 15552 profile cylinder standards. It uses a standard mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and PT G1/4 ports.
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