Airtac SAID80 Double Rod Cylinder SAID80BX145
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80BX145 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 145mm 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
- Stroke145 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
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About the Airtac SAID80 Double Rod Cylinder SAID80BX145
The AirTAC SAID80X145 is a double-acting, double-rod ISO 15552 profile cylinder featuring a 80mm bore and 145mm stroke. Because the piston rod extends from both end covers, the annular area is identical on extend and retract, yielding an equal force of 2268N in both directions at 0.5MPa (3175N at 0.7MPa). This symmetric thrust is essential for mechanisms requiring consistent push and pull dynamics.
Equipped with SUS304 stainless steel rods, this variant offers superior corrosion resistance and carries a 25mm diameter rod with an M20x1.5 thread. The extruded aluminum barrel includes sensor grooves on both sides for CMSE reed or DMSE electronic switches. Note that the rear protruding rod requires additional clearance, and the mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAID80 Double Rod Cylinder SAID80BX145 Technical Specifications
| Model | Airtac SAID80 Double Rod Cylinder SAID80BX145 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 145 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 SAID80BX145
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×145 | 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 SAID80BX145 Is Used
Symmetric Force Transfer
Drives a transfer shuttle on the front rod while using the rear rod to push an identical return payload, leveraging the equal 2268N thrust in both directions.
Anti-Rotation Slides
Guides a heavy vertical slide using twin SUS304 rods exiting both covers, preventing mechanical twist and maintaining precise linear tracking.
Dual-Station Actuation
Actuates two separate tooling stations simultaneously from one 80mm piston, using the front and rear rod ends to operate independent mechanisms.
Is the Airtac SAID80 Double Rod Cylinder SAID80BX145 the Right Cylinder?
Select this 80mm bore when an application demands symmetric actuation, such as transferring a workpiece on one end while driving a cam or position flag on the other. If you need less force, stepping down to a 63mm bore provides 1402N both ways at 0.5MPa; stepping up to a 100mm bore yields 3681N. The twin rods inherently resist rotation better than a single-rod SAI cylinder, providing dual-side guidance.
This model uses PT tapered ports sized at G3/8. Remember that a plain SAID does not hold its load if air pressure is lost; the piston will drift. For position holding without live pressure, consider an SAIL lock, BSAID clamp-lock, or an external rod lock. As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 double-rod cylinders.
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 SAID80BX145 FAQ
Because the double-rod design subtracts the rod area on both sides, the extend and retract forces are equal. It delivers 2268N both ways at 0.5MPa, 3175N at 0.7MPa, and 4082N at 0.9MPa.
Yes, the SAID80X145 is a true ISO 15552 profile cylinder with standard mounting dimensions, making it a drop-in replacement for other ISO 15552 double-rod cylinders. It uses a G3/8 port and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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