
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX210 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 210mm stroke, G3/4 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 SAID200X210 is a double-acting, double-rod ISO 15552 profile cylinder engineered for heavy-duty symmetrical actuation. A single piston drives a rod out of both end covers, yielding identical extend and retract forces. It generates 15079 N of thrust each way at 0.5 MPa and 21110 N at 0.7 MPa, ensuring perfectly balanced motion for massive loads.
This specific configuration features a SUS304 stainless steel rod (material code B) for superior corrosion resistance and a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Because the rear rod protrudes from the back cover, you must account for additional clearance behind the cylinder when planning your machine layout.
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX210 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 210 mm |
| Acting type | Double acting |
| Port size | G3/4 |
| Rod thread | M36×2 |
| 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 – 500 mm/s |
| Cushion | Adjustable, 50 mm |
| Max stroke | Up to 1500 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 | 15708 N | 15080 N |
| 0.7 MPa | 21991 N | — |
| Max (@1.0 MPa) | 3204 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. |
|---|---|
| 200 | Bore size in mm. |
| ×210 | 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 heavy industrial presses and forming dies where the 15079 N output must remain perfectly identical in both advance and retreat strokes.
Uses the dual-rod construction to guide heavy vertical lifting platforms without the rotational drift common to single-rod actuators.
Mounts a heavy-duty cam or position flag on the rear rod end to trigger external physical limit switches in high-vibration environments.
Selecting this 200 mm bore model is ideal when an application requires immense equal force both directions, stepping up significantly from the 160 mm bore which provides 9425 N at 0.5 MPa. The twin-rod architecture is specifically chosen over a single-rod SAI cylinder when you need to mount a workpiece on the front rod end and a cam, position flag, or secondary mechanism on the rear rod, providing dual-side guidance and superior anti-rotation stability.
This cylinder uses a PT port thread and supports a reduced mounting accessory set including Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). It is dimensionally interchangeable per ISO 15552. Note that a plain SAID does not hold its position if air pressure is lost; for fail-safe load holding, consider a BSAID clamp-lock cylinder or an external pilot-operated check valve. For a 210 mm stroke, the 40 mm diameter rod handles high side loads well, but an external guide is still recommended to prevent rod-bearing bending.
Quick checklist
Because the rod occupies both sides of the piston, the effective area is identical in both directions. The SAID200X200 delivers 15079 N at 0.5 MPa, 21110 N at 0.7 MPa, and 27141 N at 0.9 MPa for both extend and retract strokes.
Yes, the SAID200X210 is a profile cylinder that is dimensionally interchangeable per ISO 15552. It serves as a drop-in replacement for other ISO 15552 double-rod cylinders, utilizing the standard mounting interface without claiming exact brand equivalence.
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