Airtac SAID200 Double Rod Cylinder SAID200BX90
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX90 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 90mm 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.
- BoreØ200 mm
- Stroke90 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAID200 Double Rod Cylinder SAID200BX90
The AirTAC SAID200X90 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 200 mm bore and 90 mm stroke. Because the twin SUS304 stainless steel rods occupy piston area on both sides, the annulus effective area is identical in each direction, yielding an equal extend and retract thrust of 15079 N at 0.5 MPa. A rod protrudes from both end covers, allowing you to mount the primary workpiece on one end and drive a secondary mechanism or position flag on the opposite end.
This extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches. It features adjustable air cushioning at both ends to decelerate the heavy 200 mm piston near stroke limits. Note that the standard cushion only controls end-of-stroke impact; it cannot hold a load if air pressure drops.
Airtac SAID200 Double Rod Cylinder SAID200BX90 Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX90 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 90 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.
Theoretical Output Force (Ø200mm)
| 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.
Model Code: Airtac SAID200 Double Rod Cylinder SAID200BX90
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×90 | 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 SAID200 Double Rod Cylinder SAID200BX90 Is Used
Heavy-Duty Pressing
Utilizes the massive 15079 N equal both-way force for high-tonnage stamping, forming, and pressing operations.
Symmetric Transfer
Drives twin mechanisms simultaneously from both rod ends, ensuring perfectly synchronized load transfer without rotation.
Rear-Rod Actuation
Mounts the primary tool on the front rod while using the rear protruding rod to trigger external limit flags or secondary processes.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX90 the Right Cylinder?
Select this 200 mm bore when an application demands massive symmetric force, as it generates 15079 N each way at 0.5 MPa. If your process requires slightly less thrust, stepping down to the 160 mm bore provides 9425 N both ways. The double-rod design is chosen over a single-rod SAI when twin-side guidance, anti-rotation stability, or rear-rod cam actuation is required. For dimensionally interchangeable drop-in replacements, match the 200 mm bore, 90 mm stroke, PT G3/4 port thread, and the Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting accessories.
Because the rear rod continuously protrudes through the back cover, you must provide extra clearance in your machine layout. If the application must hold a vertical load without live air pressure, this cylinder will drift; you should integrate an external pilot-operated check valve or evaluate the BSAID clamp-lock series instead.
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 SAID200 Double Rod Cylinder SAID200BX90 FAQ
Because the double-rod design creates equal annulus area on both sides, the extend and retract forces are identical. It delivers 15079 N both ways at 0.5 MPa, 21110 N at 0.7 MPa, and 27141 N at 0.9 MPa.
Yes, the SAID200X90 is dimensionally interchangeable per ISO 15552 profile cylinder standards. You can drop it in to replace other ISO 15552 double-rod cylinders by matching the 200 mm bore, 90 mm stroke, and mounting interface.
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