Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-100S
The 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke325 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-100S
The AirTAC SAIJ80X325-100-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. 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.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-100S Technical Specifications
| 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.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-100S
| 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.
Where the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-100S Is Used
Product Changeover
Rapidly reconfigure retract distances on packaging lines handling different carton sizes by dialing the rear stopper back within the 225-325mm window.
Machine Setup
Fine-tune the end-of-stroke position during initial commissioning without machining external stop blocks or altering the ISO 15552 mounting footprint.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX325-100S the Right Cylinder?
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
- ✓ 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 SAIJ80 Adjustable Cylinder SAIJ80AX325-100S FAQ
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 0.7 MPa, the push force increases to 3518N.
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