Airtac SAID200 Double Rod Cylinder SAID200BX220
The AirTAC Airtac SAID200 Double Rod Cylinder SAID200BX220 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø200mm bore and 220mm 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
- Stroke220 mm
- Port sizeG3/4
- Acting typeDouble acting
- Rod threadM36×2
- CushionAdjustable, 50 mm
About the Airtac SAID200 Double Rod Cylinder SAID200BX220
The AirTAC SAID200X220 is a double-acting, double-rod ISO 15552 profile cylinder engineered for heavy-duty symmetrical motion. Because a rod extends from both end covers, the annulus area is identical on each side, yielding an equal force of 15079 N in both extend and retract directions at 0.5 MPa. This through-rod architecture provides superior anti-rotation guidance and allows a secondary mechanism or position flag to be mounted on the rear rod end.
This specific configuration features a SUS304 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. While adjustable air cushions at both ends decelerate the massive 200 mm piston near stroke limits, note that a plain SAID does not hold position unpowered; for dead-load holding, consider a BSAID clamp-lock variant.
Airtac SAID200 Double Rod Cylinder SAID200BX220 Technical Specifications
| Model | Airtac SAID200 Double Rod Cylinder SAID200BX220 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø200 mm |
| Stroke | 220 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 SAID200BX220
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 200 | Bore size in mm. |
| ×220 | 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 SAID200BX220 Is Used
Heavy-Duty Symmetric Pressing
Utilizes the equal 15079 N extend and retract force to drive large forming presses, ensuring consistent pressure is applied and released smoothly without load bias.
Twin-Station Transfer Mechanism
Mounts a workpiece on the front rod end and a synchronized cam or secondary tool on the rear rod end to actuate two separate stations simultaneously with perfect mechanical phase alignment.
Anti-Rotation Guiding Slide
Leverages the dual-rod geometry to guide heavy vertical or horizontal loads, preventing torsional twist and maintaining precise linear tracking without external rails.
Is the Airtac SAID200 Double Rod Cylinder SAID200BX220 the Right Cylinder?
Selecting the SAID200X220 is ideal when an application demands massive, perfectly balanced bidirectional force that a single-rod SAI cannot provide. If 15079 N per direction is excessive, stepping down to the 160 mm bore drops the both-way output to 9425 N at 0.5 MPa. Conversely, if you require less force but higher cycling speeds, the 125 mm bore offers a faster 30-500 mm/s speed range compared to this 200 mm bore. To ensure accurate drop-in replacement, match the 220 mm stroke, PT port thread, and your required mounting accessory from the SAID set: Basic, FA, LB, TC, FTC, TCM1, or TCM2.
With a 220 mm stroke on a large 200 mm bore, the unsupported rod length during extension introduces a risk of rod-bearing bending under side loads. Even though this model uses a robust 40 mm rod, integrating an external linear guide is strongly recommended to prevent premature seal wear. Additionally, because the rear rod protrudes past the back cover, you must account for this extra clearance when designing your machine envelope.
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 SAID200BX220 FAQ
The SAID200X220 provides an equal force of 15079 N in both the extend and retract directions at 0.5 MPa. At 0.7 MPa it delivers 21110 N, and at 0.9 MPa it reaches 27141 N both ways.
Yes, the SAID200X220 is dimensionally interchangeable per ISO 15552 profile cylinder standards. It shares the same mounting interface and footprint as other ISO 15552 double-rod cylinders, allowing for a direct drop-in replacement.
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