
The AirTAC Airtac SAID80 Double Rod Cylinder SAID80X105S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 105mm 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.
The AirTAC SAID80X105-S is a double-acting, double-rod ISO 15552 profile cylinder featuring a built-in magnet for position sensing. Because the piston rod extends from both end covers, the effective annulus area is identical on the extend and retract strokes. This provides an equal force of 2268 N in both directions at 0.5 MPa, ensuring perfectly symmetric motion control.
Equipped with a standard carbon steel rod and PT tapered port threads, this 80mm bore unit utilizes adjustable air cushioning at both ends to decelerate the load smoothly. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to mount CMSE reed or DMSE electronic switches directly along the stroke path.
| Model | Airtac SAID80 Double Rod Cylinder SAID80X105S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 105 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.
| 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.
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×105 | 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.
Ideal for moving payloads between two stations where the 2268 N output must remain identical in both travel directions without recalibrating pressure.
The dual-rod geometry prevents the load from twisting during traversal, keeping guided carriages perfectly aligned on linear slides.
Mount a cam or limit flag on the rear rod end to trigger external DMSE electronic sensors, keeping the primary work area clear of obstructions.
Select this 80mm bore model when an application demands equal push and pull forces alongside high resistance to torsion. If your mechanism requires less force, stepping down to the 63mm bore yields 1402 N at 0.5 MPa, whereas stepping up to the 100mm bore provides 3681 N. The twin-rod design is specifically chosen over a single-rod SAI cylinder when you need to drive a secondary mechanism or mount a position flag from the rear rod end.
This cylinder uses a reduced mounting accessory set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting the FB, CA, CB, and CR brackets found on single-rod variants. Note that a plain double-rod cylinder does not hold its position if air pressure is lost; for dead-load holding, consider an external pilot-operated check valve or the BSAID clamp-lock series. Ensure you have adequate rear clearance, as the rod protrudes from both covers.
Quick checklist
Because the rod occupies both sides of the piston, the push and pull forces are equal. It generates 2268 N in both directions at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa.
Yes, the SAID80X105-S is dimensionally interchangeable per ISO 15552. You can use it as a drop-in replacement for other ISO 15552 profile cylinders, provided your mounting bracket uses the Basic, FA, LB, TC, FTC, TCM1, or TCM2 interface.
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