
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 325mm 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 SAIJ80X325-100-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 2513N of push force at 0.5 MPa and features a 325mm nominal stroke that can be fine-tuned down by up to 100mm, creating a highly versatile 225-325mm usable travel window. This built-in adjustability allows operators to dial in exact retract end positions during commissioning or product changeovers without swapping out the entire actuator.
This specific configuration includes a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and is equipped with a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel integrates sensor grooves on both sides, and fluid control is managed via PT tapered G3/8 ports. It supports a standard operating speed of 30-800mm/s, regulated by adjustable air cushions at both ends.
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 325 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. |
| ×325 | 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.
Rapidly reconfigure retract distances on packaging lines handling different carton sizes by dialing the rear stopper back within the 225-325mm window.
Fine-tune the end-of-stroke position during initial commissioning without machining external stop blocks or altering the ISO 15552 mounting footprint.
Accommodate multiple pressing depths in light assembly operations using the 2513N push force, relying on the rear screw for precise mechanical positioning.
Selecting this 80mm bore actuator makes sense when your application requires the 2513N thrust class at 0.5 MPa but demands variable retract endpoints; if you need less force, stepping down to a 63mm bore yields 1559N, while moving up to a 100mm bore provides 3927N. Because the 325mm stroke exceeds 300mm, the M20x1.5 rod thread and 25mm rod diameter will experience amplified leverage on any side load, so an external guide rail should be incorporated to prevent premature seal wear. The rear adjuster acts purely as a mechanical stop to set deceleration and travel limits—it is not a locking device. If your setup requires true load-holding without constant live air pressure, you must integrate an external pilot-operated check valve or switch to an AirTAC SAIL or BSAI series cylinder. To match this ISO 15552 footprint exactly, confirm the 80mm bore, 325mm stroke, 100mm adjustment range, PT G3/8 port, and the -S magnet requirement.
Quick checklist
The rear adjuster screw allows you to shorten the effective stroke by up to 100mm. This creates a usable travel window of 225-325mm, letting you set the exact retract position without replacing the cylinder.
At 0.5 MPa operating pressure, it provides 2513N of push force and 2268N of pull force. At 0.7 MPa, the push force increases to 3518N.
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