Airtac SAID63 Double Rod Cylinder SAID63X350
The AirTAC Airtac SAID63 Double Rod Cylinder SAID63X350 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø63mm bore and 350mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ63 mm
- Stroke350 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM16×1.5
- CushionAdjustable, 36 mm
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About the Airtac SAID63 Double Rod Cylinder SAID63X350
The AirTAC SAID63X350 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 63mm bore and 350mm stroke. Because a carbon steel rod exits both end covers, the annulus area is identical on both sides, yielding exactly 1402N of force in both extend and retract directions at 0.5 MPa. It operates at 30-800 mm/s and uses a G3/8 port.
This twin-rod design allows you to mount a workpiece on the front rod end and a position flag or cam on the rear rod end simultaneously. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, though this specific configuration does not include the -S magnet.
Airtac SAID63 Double Rod Cylinder SAID63X350 Technical Specifications
| Model | Airtac SAID63 Double Rod Cylinder SAID63X350 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø63 mm |
| Stroke | 350 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M16×1.5 |
| 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, 36 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1402 N | 1402 N |
| 0.7 MPa | 1962 N | — |
| Max (@1.0 MPa) | 286 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID63 Double Rod Cylinder SAID63X350
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 63 | Bore size in mm. |
| ×350 | 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 SAID63 Double Rod Cylinder SAID63X350 Is Used
Symmetric Force Transfer
Drives loads with identical push and pull force, ensuring balanced motion profiles in transfer stations.
Anti-Rotation Slides
The twin-rod structure prevents piston rotation, providing precise linear guidance for material handling.
Through-Rod Sensing
Mounts a cam or limit flag on the rear rod end to trigger external proximity sensors without cluttering the front workspace.
Is the Airtac SAID63 Double Rod Cylinder SAID63X350 the Right Cylinder?
Choose this 63mm bore when you need symmetric force and dual-end actuation, delivering 1402N each way at 0.5 MPa. If your application requires less force, stepping down to the 50mm bore provides 825N both ways, while stepping up to the 80mm bore yields 2268N. The double-rod architecture is preferred over a single-rod SAI when the load requires anti-rotation guidance or a rear-side mechanism needs to be driven synchronously.
This cylinder is dimensionally interchangeable per ISO 15552 and uses a PT tapered port thread. It supports the reduced SAID mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting the FB, CA, CB, and CR brackets. Because the stroke is 350mm, the extended rod length increases side-load stress on the rod bearing; an external guide is recommended to prevent bending. Note that a plain SAID does not hold its position if air pressure is lost; for load-holding without live pressure, consider an SAIL or BSAID variant.
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 SAID63 Double Rod Cylinder SAID63X350 FAQ
Because it is a double-rod cylinder, the effective area is the same on both sides. It delivers an equal force of 1402N in both extend and retract directions at 0.5 MPa, and 1962N at 0.7 MPa.
Yes, the SAID63X350 is a profile cylinder dimensionally interchangeable per ISO 15552. It serves as a direct replacement for other ISO 15552 double-rod cylinders, using the standard SAID mounting accessory set.
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