Airtac SAID80 Double Rod Cylinder SAID80BX20S
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80BX20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 20mm 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
- Stroke20 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 SAID80BX20S
The AirTAC SAID80X20-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a 80mm bore and 20mm stroke. Because a rod exits both end covers, the annulus area is identical on extend and retract, yielding equal force and speed in both directions. This 80mm bore generates 2268 N of force each way at 0.5 MPa, rising to 3175 N at 0.7 MPa. The twin rods provide superior anti-rotation guidance compared to a single-rod SAI.
This specific configuration uses SUS304 stainless steel rods (material code B), making it ideal for environments where corrosion resistance is paramount. The integrated magnet (-S) supports position sensing via AirTAC CMSE reed or DMSE electronic solid-state switches, which seat directly into the sensor grooves machined on both sides of the extruded aluminum barrel. The PT tapered port is G3/8.
Airtac SAID80 Double Rod Cylinder SAID80BX20S Technical Specifications
| Model | Airtac SAID80 Double Rod Cylinder SAID80BX20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 20 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 SAID80BX20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×20 | 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 SAID80BX20S Is Used
Symmetric Force Transfer
Drives a workpiece on one end and a secondary mechanism on the other with exactly 2268 N of force in both extend and retract directions at 0.5 MPa.
Anti-Rotation Slides
Dual SUS304 rods exiting both covers prevent piston rotation, providing stable linear guidance for precision tooling without external guides.
Dual-Side Actuation
Operates twin stations simultaneously from a central manifold, using the through-rod design to push and pull opposing mechanisms at matching speeds.
Is the Airtac SAID80 Double Rod Cylinder SAID80BX20S the Right Cylinder?
Select this 80mm double-rod cylinder when an application demands symmetric force and high resistance to torsional load. Stepping down to the 63mm bore yields 1402 N each way at 0.5 MPa, whereas this SAID80X20-S provides 2268 N both directions. The short 20mm stroke keeps the assembly highly compact, though the overall length is longer than a single-rod SAI because the rear rod protrudes through the back cover, requiring appropriate clearance for the secondary rod end.
This variant is dimensionally interchangeable per ISO 15552 for drop-in replacement alongside other standard profile cylinders. It uses the reduced SAID mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting the FB, CA, CB, and CR mounts found on single-rod variants. Note that the adjustable air cushions at both ends only decelerate the piston near stroke end; this cylinder does not hold a load if air pressure is lost. For secure position holding, consider an external rod lock or the BSAID double-rod clamp-lock series.
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 SAID80BX20S FAQ
Because the rod occupies both sides of the piston, the effective area is equal in both directions. The output force is 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa for both extend and retract strokes.
Yes. The SAID80X20-S is an extruded aluminum profile cylinder with standard ISO 15552 mounting interface dimensions, making it a drop-in replacement for other ISO 15552 double-rod cylinders. It supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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