Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-40
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 95mm 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
- Stroke95 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-40
The AirTAC SAIJ80X95-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the travel window between 55 and 95 mm without adding external stops. Delivering 2513 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered ports.
Unlike a fixed-stroke SAI cylinder, this model lets you dial in the exact retract end-position during commissioning or product changeover. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, though this specific SKU is configured without a magnet.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-40 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 95 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 SAIJ80BX95-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×95 | 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 SAIJ80BX95-40 Is Used
Variable End-Stop Tuning
Dial in the retract position within a 55-95 mm window to perfectly align stops during machine commissioning without swapping hardware.
Product Size Changeover
Quickly adapt the cylinder's effective stroke on packaging lines when handling different product dimensions on the same conveyor.
Corrosive Environment Actuation
Leverage the 2513 N force and SUS304 stainless steel rod for robust clamping in manufacturing areas requiring high corrosion resistance.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-40 the Right Cylinder?
Choose this 80 mm bore when an application requires around 2513 N of push force at 0.5 MPa, or step down to a 63 mm bore (1559 N) if the load is lighter and you need a smaller footprint. The adjustable stroke is ideal for variable end-stops and machine setup, but note that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure; for true load-holding, consider the SAIL or BSAI series.
To match this ISO 15552 replacement, specify an 80 mm bore, 95 mm nominal stroke, 40 mm adjustment range, PT port thread, SUS304 (B) rod material, and no magnet. Because the 95 mm stroke is relatively short, side-load risks are minimal, but long unsupported strokes should always use an external guide.
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 SAIJ80BX95-40 FAQ
The rear adjuster screw lets you shorten the nominal 95 mm stroke by up to 40 mm, providing a usable travel window of 55 to 95 mm for precise end-position tuning at commissioning.
No. The rear adjuster is a mechanical stop that sets the travel end, not a lock. The cylinder cannot hold a load without live air; for pneumatic locking, use the SAIL or BSAI series.
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