Airtac SAID200 Double Rod Cylinder SAID200BX300
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX300 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 300mm 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
- Stroke300 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAID200 Double Rod Cylinder SAID200BX300
The AirTAC SAID200X300 is a double-acting, double-rod profile cylinder built to ISO 15552 mounting dimensions. Because a stainless steel SUS304 rod exits both end covers, the annulus area is identical on extend and retract. This yields exactly 15079 N of force at 0.5 MPa in both directions, ensuring perfectly symmetric speed and thrust for demanding transfer operations.
This 200 mm bore unit uses PT tapered G3/4 ports and adjustable air cushions at both ends to tame kinetic energy. The twin-rod architecture lets you mount the primary workpiece on one end and a position flag or cam on the rear rod, providing superior anti-rotation guidance compared to a single-rod SAI.
Airtac SAID200 Double Rod Cylinder SAID200BX300 Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX300 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 300 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 SAID200BX300
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×300 | 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 SAID200BX300 Is Used
Symmetric Force Pressing
Provides 15079 N of equal thrust in both directions for pressing and stamping tasks that require identical push and pull forces.
Twin-Station Transfer
Drives two linked mechanisms simultaneously from a single piston, using the front and rear rod ends to actuate parallel stations.
Anti-Rotation Slides
The dual through-rods prevent mechanical rotation, keeping heavy sliding carriers perfectly aligned during 300 mm traverse.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX300 the Right Cylinder?
Select this 200 mm bore when a 160 mm version (delivering 9425 N at 0.5 MPa) lacks the necessary push or pull thrust. The double-rod layout is chosen over a single-rod cylinder when the mechanism requires dual-side guidance, a rear-mounted sensor target, or equal force both ways. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
At a 300 mm stroke, the extended rod length demands attention to side-load limits. The rod bearing can experience bending moments under heavy lateral loads, so incorporating an external guide rail is advised to prevent premature wear. Remember that standard air cushions only decelerate the piston near stroke end; they do not hold a load. If position holding without live air pressure is required, use a BSAID clamp-lock cylinder or an external pilot-operated check valve.
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 SAID200BX300 FAQ
Because the double-rod design subtracts the rod area from both sides of the piston, the extend and retract forces are equal. It delivers 15079 N at 0.5 MPa, 21110 N at 0.7 MPa, and 27141 N at 0.9 MPa in both directions.
Yes, the SAID200X300 is dimensionally interchangeable per ISO 15552. It serves as a drop-in replacement for other ISO 15552 double-rod profile cylinders, using the standard Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounting interfaces.
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