
The AirTAC Airtac SAI80 Standard Air Cylinder SAI80X70S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 70mm 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 SAI80X70-S is a double-acting ISO 15552 profile cylinder engineered to deliver 2513 N of push force at 0.5 MPa and 3518 N at 0.7 MPa. The 70 mm stroke provides rapid, high-thrust actuation for heavy-duty positioning tasks. As a genuine AirTAC component, it ensures reliable performance in demanding industrial environments.
This variant includes a built-in magnet for non-contact position sensing, pairing seamlessly with CMSE or DMSE switches mounted into the dual sensor grooves on the extruded aluminum barrel. It features a standard carbon steel piston rod and PT tapered port threads, ensuring robust mechanical integrity and a leak-free pneumatic connection.
| Model | Airtac SAI80 Standard Air Cylinder SAI80X70S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 70 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. |
| ×70 | 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.
Provides 2513 N of clamping force at 0.5 MPa to secure large metal castings or heavy components during machining and welding operations.
Delivers rapid 70 mm stroke actuation to push heavy product pallets onto secondary conveyor lanes without stalling under high side loads.
Exerts up to 3518 N of force at 0.7 MPa for pressing bearings, pins, or bushings into housings on automated assembly lines.
Select this 80 mm bore when an application requires substantially more thrust than a 63 mm bore can provide (1559 N at 0.5 MPa), but without stepping up to the larger 100 mm bore (3927 N at 0.5 MPa). The 70 mm stroke is optimal for short-travel clamping or lifting tasks where space is restricted but high force is necessary.
Because this is a standard double-acting cylinder, it cannot hold a load in place if air pressure is lost or the control valve is centered; the piston will drift. For applications requiring position holding without continuous live pressure, consider the SAIL (air-released lock) or BSAI (clamp-lock) variants. This model serves as a dimensionally interchangeable drop-in replacement for any ISO 15552 cylinder with matching 80 mm bore, 70 mm stroke, G3/8 PT ports, and standard mounting accessories like FA/FB flanges or LB foot brackets.
Quick checklist
At a standard operating pressure of 0.5 MPa, this 80 mm bore cylinder generates 2513 N of push force and 2268 N of pull force. If pressure is increased to 0.7 MPa, the push force rises to 3518 N.
Yes, the SAI80X70-S is a true ISO 15552 profile cylinder, making it dimensionally interchangeable with other ISO 15552 cylinders of the same bore and stroke. It uses standard G3/8 PT ports and accepts standard ISO mounting accessories.
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