Airtac SAIJ80 Adjustable Cylinder SAIJ80BX900-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX900-10 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 SAIJ80BX900-10
The AirTAC SAIJ80X900-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 890 to 900 mm. It delivers a robust 3518N push force at 0.7 MPa, making it well-suited for heavy-duty positioning tasks. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic sensors.
This model features a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The external rear stopper allows fine end-position tuning at commissioning without swapping the cylinder or adding external stops. Remember that the adjuster acts only as a travel stop and does not hold the load without live air; for true load-holding without pressure, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX900-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX900-10 |
|---|---|
| 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 SAIJ80BX900-10
| 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 SAIJ80BX900-10 Is Used
Product Changeover Stops
Dial in the 890-900mm travel window during packaging line format changes to accommodate different carton lengths without repositioning the cylinder.
Machine Setup Tuning
Fine-tune the retract end-position during commissioning using the rear screw, hitting exact mechanical stops without adding external shims.
Heavy Material Handling
Leverage the 3518N push force at 0.7 MPa to push heavy pallets or workpieces into a machining station, stopping precisely within the 10mm adjustment range.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX900-10 the Right Cylinder?
Select this 80mm bore cylinder when your application requires substantial thrust, such as the 3518N push force at 0.7 MPa, combined with exact variable end-stops. If your force requirements are lower, stepping down to the 63mm bore yields 2182N at 0.7 MPa, whereas larger 100mm bores provide 5497N. The adjustable stroke is ideal for machine setup and product changeovers, offering a 10mm tuning window that a fixed-stroke SAI cylinder cannot match.
When replacing an ISO 15552 cylinder, match the 80mm bore, 900mm stroke, 10mm adjustment, PT port threads, and the Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounting set. Because the 900mm stroke is long and unsupported, an external guide is recommended to prevent excessive side-loading on the 25mm rod. Note that SAIJ omits the FB, CA, CB, and CR mounts.
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 SAIJ80BX900-10 FAQ
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke by up to 10mm, giving a usable travel window of 890 to 900mm. It allows fine-tuning of the end position without changing the cylinder.
At 0.7 MPa operating pressure, this 80mm bore cylinder generates 3518N of push force and 2268N of pull force. It can deliver a maximum push force of 4523N at 0.9 MPa.
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