Airtac SAIJ80 Adjustable Cylinder SAIJ80BX90-30S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX90-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 90mm 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
- Stroke90 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX90-30S
The AirTAC SAIJ80X90-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 2513N of push force and 2268N of pull force at 0.5MPa. The integrated 30mm adjustment mechanism allows you to fine-tune the usable travel window down to 60mm from the 90mm nominal stroke. This built-in stopper enables precise end-position tuning at commissioning without swapping the cylinder or adding external stops.
This SKU features a SUS304 stainless steel rod for superior corrosion resistance and carries a G3/8 PT tapered port. The extruded aluminum barrel includes sensor grooves on both sides, and the -S magnet is fully compatible with AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts as a travel stop, meaning the cylinder will not hold its load without live air pressure; for positive load-holding, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX90-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX90-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 90 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 SAIJ80BX90-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×90 | 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 SAIJ80BX90-30S Is Used
Product Changeover Adjustment
Dial in the 60-90mm travel window during packaging line format changes to accommodate different carton sizes without replacing hardware.
End-Stop Commissioning
Fine-tune the retract end-position precisely during machine setup to perfect pressing or clamping depth without machining external stopper blocks.
Washdown Actuation
Leverage the SUS304 stainless steel rod for reliable actuation in food or chemical processing environments requiring corrosion resistance.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX90-30S the Right Cylinder?
Choose this 80mm bore when your application requires 2513N thrust at 0.5MPa, or step down to a 63mm bore providing 1559N if your force requirements are lower. The 30mm adjustable stroke is ideal for machine setups requiring variable end-stops during product changeovers, avoiding the need to maintain multiple fixed-stroke SAI cylinders. The 25mm rod and M20x1.5 thread provide robust side-load capacity, though an external guide is recommended for any long unsupported travel.
For ISO 15552 replacement matching, verify the 80mm bore, 90mm stroke, 30mm adjustment range, G3/8 PT port, and the -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Operating speed is 30-800mm/s with variable air cushions at both ends.
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 SAIJ80BX90-30S FAQ
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel by up to 30mm. This creates a usable stroke window between 60mm and 90mm, which can be fine-tuned during commissioning without disassembling the cylinder.
At 0.5MPa, it provides 2513N push and 2268N pull force, reaching 4523N push at 0.9MPa. The rear adjuster and air cushions only decelerate the travel end; they do not lock the load. For position holding without live air, use a SAIL or BSAI cylinder.
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