Airtac SAID40 Double Rod Cylinder SAID40AX200S
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40AX200S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø40mm bore and 200mm 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
- Stroke200 mm
- Port sizeG1/4
- Acting typeDouble acting
- Rod threadM12×1.25
- CushionAdjustable, 30 mm
About the Airtac SAID40 Double Rod Cylinder SAID40AX200S
The AirTAC SAID40X200-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40mm bore and 200mm stroke. Because a rod exits both end covers, the annulus area is identical on extend and retract, yielding exactly 528N of force each way at 0.5MPa (739N at 0.7MPa). This symmetric output is ideal for twin-station actuation and maintaining consistent dynamics in both directions.
Equipped with a magnet (-S), this variant supports AirTAC CMSE reed and DMSE solid-state electronic sensors via dual-side barrel grooves. The piston rod is constructed from SUS420J2 stainless steel (material code A) for superior corrosion resistance, and the PT tapered port threads ensure a robust, leak-free pneumatic connection.
Airtac SAID40 Double Rod Cylinder SAID40AX200S Technical Specifications
| Model | Airtac SAID40 Double Rod Cylinder SAID40AX200S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø40 mm |
| Stroke | 200 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 SAID40AX200S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 40 | Bore size in mm. |
| ×200 | 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 SAID40AX200S Is Used
Symmetric Transfer
Drives parts across a conveyor with identical push and pull speeds, preventing stroke-end drift caused by unequal annulus areas.
Dual-Station Tooling
Mounts a workpiece on the front rod end and a secondary actuator or cam on the rear rod end to operate two mechanisms simultaneously.
Anti-Rotation Guidance
Keeps a sliding payload guided against rotation without external guide rails, utilizing the twin-rod structure for precise linear motion.
Is the Airtac SAID40 Double Rod Cylinder SAID40AX200S the Right Cylinder?
Select this 40mm bore when an application requires equal push and pull forces, such as a transfer mechanism needing symmetric momentum. If your setup demands higher energy, stepping up to the 50mm bore offers 825N both ways at 0.5MPa; conversely, dropping to the 32mm bore provides 345N. The double-rod design is specifically chosen over a single-rod SAI when the rear rod end is needed to mount a cam, position flag, or secondary tool, providing enhanced anti-rotation guidance for the payload.
Keep in mind that the adjustable air cushions only decelerate the piston near stroke end; they do not lock or hold the load. If your process loses air pressure, the cylinder will drift, requiring an external pilot-operated check valve or a SAIL/BSAID lock cylinder for secure positioning. As a dimensionally interchangeable ISO 15552 component, it serves as a direct drop-in replacement for other ISO 15552 double-rod cylinders, utilizing the Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounting set.
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 SAID40AX200S FAQ
Because the rod occupies both sides of the piston, the effective area is equal in both directions. It delivers 528N at 0.5MPa, 739N at 0.7MPa, and 950N at 0.9MPa for both extend and retract strokes.
Yes, it is a profile-type extruded aluminum cylinder that is dimensionally interchangeable per ISO 15552. It serves as a drop-in replacement for other ISO 15552 double-rod cylinders, using the PT port thread and standard mounting accessories.
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