Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20S 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 SAIJ80BX95-20S
The AirTAC SAIJ80X95-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 95 mm travel by up to 20 mm for a precise 75-95 mm usable window. Delivering 2513 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and handles speeds of 30-800 mm/s.
This adjustable-stroke design eliminates the need to swap cylinders or bolt on external stops during machine setup. It features sensor grooves on both sides of the extruded aluminum barrel, and the integrated -S magnet works directly with AirTAC CMSE reed and DMSE electronic solid-state switches.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20S |
|---|---|
| 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 SAIJ80BX95-20S
| 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 SAIJ80BX95-20S Is Used
Product Changeovers
Quickly fine-tune the 75-95 mm end position during format size changes on a packaging line without replacing the cylinder.
Machine Setup
Dial in the exact retract distance during initial commissioning to prevent crashes and optimize tooling alignment.
Variable End Stops
Adjust the stroke stop on the fly for diverter gates handling different package lengths on a conveyor system.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX95-20S the Right Cylinder?
Choose this 80 mm bore when an application requires higher thrust than a 63 mm cylinder (which provides 1559 N push at 0.5 MPa), but without the bulk of a 100 mm unit. The adjustable 75-95 mm end-stop is ideal for product changeovers, letting you fine-tune the retract position at commissioning without adding external stops. Remember that the rear adjuster acts only as a travel stop, not a lock; the cylinder cannot hold a load without live air, so consider an AirTAC SAIL or BSAI for fail-safe load holding.
To match this ISO 15552 interchangeable cylinder, confirm the 95 mm nominal stroke, 20 mm adjustment range, PT tapered port thread, and your preferred mounting style from the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (note that FB, CA, CB, and CR mounts are omitted).
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 SAIJ80BX95-20S 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 0.7 MPa, the push force increases to 3518 N.
The rear adjuster screw allows you to shorten the 95 mm nominal stroke by up to 20 mm, creating a 75-95 mm usable travel window. It acts as a mechanical stop to fine-tune the end position and does not lock the load without air pressure.
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