
The AirTAC Airtac SAID40 Double Rod Cylinder SAID40BX200 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.
The AirTAC SAID40X200 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 40 mm bore and 200 mm stroke. Because the piston rod extends from both end covers, the effective annular area is identical on extension and retraction, yielding an equal 528 N of force in both directions at 0.5 MPa. This model is configured with SUS304 stainless steel rods (code B) for enhanced corrosion resistance and PT tapered port threads.
A rod exiting the rear cover allows engineers to mount a secondary cam, position flag, or drive a second mechanism independently. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, though this specific SKU is supplied without a magnet. It supports a 30-800 mm/s speed range and uses adjustable air cushions at both ends to decelerate the payload smoothly.
| Model | Airtac SAID40 Double Rod Cylinder SAID40BX200 |
|---|---|
| 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.
| 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.
| 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.
Drives a secondary mechanism from the rear rod end while maintaining identical push and pull forces on the primary workpiece.
The twin SUS304 rods provide rigid guidance to prevent the load from twisting during vertical or horizontal transit.
Actuates two separate stations simultaneously from a single piston, using both rod ends to move opposing jigs.
Select this 40 mm bore when an application requires symmetric push and pull forces, such as 528 N at 0.5 MPa, or 739 N at 0.7 MPa. If your project demands less force, the 32 mm bore offers 345 N both ways; if more force is needed, the 50 mm bore provides 825 N. The twin-rod design is chosen over a single-rod SAI when the load requires superior anti-rotation guidance or when a rear rod is needed for external tracking. Note that a plain SAID does not hold position if air pressure is lost; for locking requirements, consider the SAIL or BSAID series.
To replace an existing ISO 15552 double-rod cylinder, match the 40 mm bore, 200 mm stroke, PT G1/4 port, and appropriate mounting accessory. SAID supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting the FB, CA, CB, and CR styles found on single-rod variants. As the 200 mm stroke creates leverage on the rod bearings, ensure an external guide supports heavy lateral loads to prevent premature wear.
Quick checklist
Because it is a double-rod cylinder, the push and pull forces are equal. It generates 528 N both ways 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. It supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, but omits FB, CA, CB, and CR styles used only on single-rod versions.
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