Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-10S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 475mm 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
- Stroke475 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-10S
The AirTAC SAIJ80X475-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 465 to 475 mm. Delivering 2513 N of push force at 0.5 MPa, it features a robust 25 mm carbon steel core rod upgraded with a SUS304 stainless steel exterior (code B) for superior corrosion resistance. The integrated magnet (-S) supports position sensing with AirTAC CMSE reed and DMSE electronic switches.
Unlike a fixed-stroke SAI cylinder, this model features an external adjusting screw at the rear that fine-tunes the retract end-position during commissioning without requiring external stops. The rear adjuster acts strictly as a travel stop and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series. It includes PT tapered G3/8 ports and variable air cushions at both ends.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-10S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 475 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 SAIJ80BX475-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×475 | 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 SAIJ80BX475-10S Is Used
Travel Window Tuning
Dial in the exact retract position within a 465 to 475 mm window during machine commissioning without swapping out the entire cylinder.
Product Size Changeovers
Quickly adapt end-stops on packaging lines when handling different product sizes, using the rear screw for rapid mechanical adjustments.
Corrosive Setup Alignment
Leverage the SUS304 stainless steel rod and precise end-position tuning for light-duty alignment tasks in environments requiring high corrosion resistance.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-10S the Right Cylinder?
Choose this 80 mm bore when a 50 mm bore (offering 982 N push at 0.5 MPa) lacks sufficient thrust, but a 100 mm bore (3927 N) would be excessive. The 10 mm adjustment window is ideal for dialing in exact end-stops during machine setup or product changeovers. To match this ISO 15552 interchangeable cylinder, specify: 80 mm bore, 475 mm stroke, 10 mm adjustment, PT G3/8 ports, SUS304 rod, and a -S magnet. At 475 mm of travel, the 25 mm rod diameter and M20x1.5 thread handle moderate side loads, but an external guide is recommended for heavy unsupported loads to prevent premature seal wear.
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 SAIJ80BX475-10S FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At the maximum pressure of 1.0 MPa, the push force reaches 513 kgf.
The rear adjuster screw allows you to shorten the nominal 475 mm stroke by up to 10 mm, creating a 465 to 475 mm usable travel window. This stopper only sets the end-position; it does not lock or hold the load without continuous air pressure.
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