Airtac SAID80 Double Rod Cylinder SAID80X550
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80X550 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 550mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ80 mm
- Stroke550 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAID80 Double Rod Cylinder SAID80X550
The AirTAC SAID80X550 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 80mm bore and 550mm stroke. A single piston drives a carbon steel rod out of both end covers, yielding equal effective annulus areas. This means push and pull forces are identical, providing about 2268N of force in each direction at 0.5 MPa.
Because the rod protrudes from the rear cover, you can mount a position flag or cam on the opposite side to trigger CMSE or DMSE sensors without interfering with the primary workpiece. The extruded aluminum barrel includes sensor grooves on both sides, and adjustable air cushions at both ends absorb kinetic energy near stroke end. Note that this cylinder does not hold its load if air pressure is lost; use a SAIL or BSAID variant if fail-safe locking is required.
Airtac SAID80 Double Rod Cylinder SAID80X550 Technical Specifications
| Model | Airtac SAID80 Double Rod Cylinder SAID80X550 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 550 mm |
| Acting type | Double acting |
| Port size | G3/8 |
| Rod thread | M20×1.5 |
| 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAID80 Double Rod Cylinder SAID80X550
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×550 | 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 SAID80 Double Rod Cylinder SAID80X550 Is Used
Symmetric Force Transfer
Drives a shuttle mechanism where the equal 2268N push and pull forces at 0.5 MPa ensure consistent momentum and cycle times in both travel directions.
Anti-Rotation Slides
The twin-rod configuration prevents the load from twisting during travel, providing precise linear guidance for heavy sliding doors or platform stages.
Rear-Cam Actuation
Mounts a cam or position flag on the rear rod end to mechanically trigger external limit switches, keeping the primary front rod clear for the main workpiece.
Is the Airtac SAID80 Double Rod Cylinder SAID80X550 the Right Cylinder?
Select this 80mm bore when your application requires balanced 2268N force both ways at 0.5 MPa, stepping up from the 63mm bore which provides 1402N. The double-rod design is chosen over a single-rod SAI when the mechanism needs dual-side guidance to resist rotation, or when a rear rod end is needed to drive a secondary mechanism. As a dimensionally interchangeable ISO 15552 profile cylinder, it serves as a drop-in replacement for other standard double-rod units.
With a 550mm stroke, the unsupported rod length increases susceptibility to bending under side loads. For strokes of 300mm or more, an external guide bearing should be used to prevent excessive strain on the rod seals. This model uses PT G3/8 ports, a 25mm rod with an M20x1.5 thread, and supports the SAID mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting the FB, CA, CB, and CR options found on single-rod variants.
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 SAID80 Double Rod Cylinder SAID80X550 FAQ
Because the double-rod design has the same effective area on both sides of the piston, the extend and retract forces are equal. It outputs 2268N at 0.5 MPa, 3175N at 0.7 MPa, and 4082N at 0.9 MPa in both directions.
Yes, the SAID80X550 is a profile cylinder built to ISO 15552 mounting interface dimensions, making it a drop-in replacement for other ISO 15552 double-rod cylinders. It uses a PT G3/8 port and a 25mm M20x1.5 rod thread.
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