Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-100
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 900mm 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
- Stroke900 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-100
The AirTAC SAIJ80X900-100 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It delivers a robust 2513N push force at 0.5 MPa and provides a usable travel window of 800 to 900 mm, letting you dial back the nominal stroke by up to 100 mm during commissioning. The extruded aluminum barrel includes sensor grooves on both sides, and this specific configuration uses a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance.
This model uses a PT tapered port thread (G3/8) and relies on variable air cushions at both ends to decelerate the load. The rear adjuster acts purely as a mechanical stop to fine-tune the end position without swapping the cylinder, but it does not hold the load without live air. For position holding without pneumatic pressure, an external rod lock or a related SAIL pneumatic lock cylinder is required.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 900 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 SAIJ80AX900-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×900 | 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 SAIJ80AX900-100 Is Used
Variable Product Diverting
Adjust the 800-900mm travel window on the fly to accommodate different package lengths on a sorting line without physically changing the actuator setup.
Machine Commissioning
Fine-tune the exact end-of-stroke position during initial machine setup, using the 100mm rear stopper to perfect the timing without adding external mechanical stops.
Long-Stroke Material Handling
Leverage the 2513N push force at 0.5 MPa to move heavy pallets or fixtures over a 900mm distance, relying on the built-in air cushions for smooth deceleration.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX900-100 the Right Cylinder?
Choose this 80mm bore when an application demands high thrust that exceeds the 1559N push force of a 63mm cylinder, but does not warrant the larger 100mm bore and its 3927N output. The 100mm adjustment range is ideal for product-size changeovers on a line, allowing operators to set variable end-stops precisely without adding external stopper blocks. When replacing an ISO 15552 cylinder, match the 80mm bore, 900mm stroke, PT port thread, and mounting style.
Because this cylinder features a long 900mm stroke, the 25mm rod diameter should be paired with an external guide to prevent excessive side-loading and rod deflection. Mounting options are limited to the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, and TCM2. As a standard double-acting actuator, it will not maintain its position if air pressure drops; use a BSAI clamp-lock cylinder if fail-safe load holding is needed.
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 SAIJ80AX900-100 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides a push force of 2513N and a pull force of 2268N. At 0.7 MPa, the push force increases to 3518N.
The rear adjusting screw allows you to mechanically shorten the effective stroke by up to 100mm, creating an 800 to 900mm usable travel window. It functions as a hard stop to set the end position and does not lock the load when air pressure is removed.
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