Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 300mm 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.
- BoreØ80 mm
- Stroke300 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-10
The AirTAC SAIJ80X300-10 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N of push force at 0.5 MPa, utilizing a 25mm piston rod and G3/8 port. The integrated rear adjusting screw provides a usable travel window of 290 to 300mm, allowing you to dial in the retract end-position precisely during commissioning without adding external stops.
This extruded aluminum profile cylinder features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance. It includes variable air cushions at both ends to decelerate the load smoothly. Note that the rear adjuster acts only as a travel stop; it does not hold the load without continuous air pressure. For load-holding requirements, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 300 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 | 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.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×300 | 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 SAIJ80AX300-10 Is Used
Product Changeover
Quickly fine-tune the 290-300mm retract end-stop during packaging line format changes without swapping out the entire cylinder.
Machine Setup
Dial in the exact end position during initial commissioning to prevent mechanical crashes, using the rear screw rather than external shims.
Variable End Stops
Adjust the stroke on the fly for diverter gates that handle varying package sizes on a single pneumatic conveyor system.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-10 the Right Cylinder?
Selecting this 80mm bore cylinder makes sense when your application requires the 2513N push force (at 0.5 MPa) but demands exact end-position tuning within a 290 to 300mm window. If your setup requires less force, stepping down to a 63mm bore provides 1559N, whereas moving up to a 100mm bore yields 3927N. The adjustable stroke is ideal for product changeovers on a line, whereas a fixed-stroke SAI cylinder is sufficient for static end-stops.
When replacing an ISO 15552 cylinder, match the 80mm bore, 300mm nominal stroke, 10mm adjustment range, PT tapered port threads, and standard mounting configuration. Because the stroke is 300mm, the 25mm rod and M20x1.5 thread can handle significant side loads, but an external guide is recommended to prevent rod binding over this extended travel. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR.
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 SAIJ80AX300-10 FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 10mm, providing a usable travel window of 290 to 300mm. It acts as a mechanical stop to fine-tune the retract position and does not lock the load without live air pressure.
At 0.5 MPa operating pressure, the SAIJ80X300-10 provides 2513N of push force and 2268N of pull force. At 0.7 MPa, the push force increases to 3518N.
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