Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-100S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-100S 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 SAIJ80BX475-100S
The AirTAC SAIJ80X475-100-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 375-475 mm usable travel window, allowing you to dial back the 475 mm nominal stroke by up to 100 mm during commissioning without adding external stops. The 80 mm bore delivers 2513 N pull force at 0.5 MPa and up to 4523 N push force at 0.9 MPa.
This unit includes a SUS304 stainless steel rod for corrosion resistance and a magnet for CMSE reed and DMSE electronic sensors. It uses a PT G3/8 port and reaches speeds of 30-800 mm/s. The SAIJ mounting set omits FB, CA, CB, and CR brackets, utilizing Basic, FA, LB, TC, FTC, TCM1, and TCM2 interfaces.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-100S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-100S |
|---|---|
| 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 SAIJ80BX475-100S
| 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 SAIJ80BX475-100S Is Used
Machine Changeover Setup
Dial in the 375-475 mm travel window during product size changes without swapping the cylinder or bolting on external physical stops.
Variable End-Stop Positioning
Fine-tune the retract end-position on packaging lines to accommodate different carton lengths on the fly.
Long-Stroke Assembly Press
Leverage the 4523 N push force at 0.9 MPa for pressing tasks while precisely trimming the stroke to protect tooling.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX475-100S the Right Cylinder?
Choose this 80 mm bore when you need higher thrust than the 63 mm class (1402 N pull at 0.5 MPa) but less bulk than the 100 mm class (3681 N pull). The 100 mm adjustment window is ideal for product changeovers on a line where end-position tuning varies significantly. Because the 475 mm stroke is long, an external guide rail is recommended to handle side loads on the 25 mm rod.
The rear adjuster acts only as a travel stop to fine-tune deceleration; it does not hold the load without live air. For true load-holding without pressure, use an SAIL pneumatic lock, BSAI clamp-lock, or external rod lock. To replace an ISO 15552 cylinder, match the 80 mm bore, 475 mm stroke, 100 mm adjustment, PT G3/8 port, mounting style, and the -S magnet requirement.
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 SAIJ80BX475-100S FAQ
At 0.5 MPa it provides 2513 N pull force and 2268 N push force. At 0.9 MPa, the push force reaches 4523 N.
The rear adjuster screw lets you shorten the 475 mm nominal stroke by up to 100 mm, creating a 375-475 mm travel window. It acts as a travel stop for end-position tuning and does not lock the load without live air pressure.
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