
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X165-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 165mm 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 SAIJ80X165-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a usable travel window of 155 to 165 mm, allowing you to dial in the exact retract end-position during commissioning without adding external stops. It delivers a robust 3518 N push force at 0.7 MPa, making it well-suited for heavy-duty positioning tasks.
This model includes a standard magnet for CMSE reed and DMSE electronic sensors, fitting neatly into the extruded aluminum barrel's dual sensor grooves. It features a 25 mm carbon steel rod and a PT tapered G3/8 port. The rear adjuster functions strictly as a travel stop to fine-tune deceleration, not as a load-holding lock; for load holding without live air pressure, consider the SAIL or BSAI series.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X165-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 165 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. |
| ×165 | 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.
Dial in the exact retract position within a 155-165 mm window during line changeovers without physically replacing the cylinder.
Fine-tune the end-of-stroke location by up to 10 mm to accommodate minor variations in product dimensions on the fly.
Leverage the 3518 N push force at 0.7 MPa to securely hold large workpieces, relying on live air to maintain the clamping pressure.
Choose this 80 mm bore when an application requires substantial thrust—such as 3518 N push at 0.7 MPa—exceeding the 2182 N push of a 63 mm bore, but without stepping up to the larger 5497 N push of a 100 mm variant. The 10 mm adjustable window is ideal for product changeovers on a line, letting operators trim the stroke by up to 10 mm rather than swapping the entire cylinder for a fixed-stroke SAI unit.
As an ISO 15552 profile cylinder, it is dimensionally interchangeable with other ISO 15552 cylinders. It uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR mounts. At 165 mm stroke, side loads are moderate, but always guide the load externally to prevent rod binding.
Quick checklist
At 0.5 MPa it provides 2513 N push and 2268 N pull. At 0.7 MPa the push force is 3518 N, and it reaches 4523 N push at 0.9 MPa.
A rear external screw acts as a stopper, allowing you to shorten the effective stroke from 165 mm down to 155 mm. It sets the travel end and deceleration point but does not lock or hold the load without continuous air pressure.
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