Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20 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 SAIJ80AX95-20
The AirTAC SAIJ80X95-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 20 mm, creating a usable stroke window of 75-95 mm for precise product changeovers. It delivers a robust 2513 N push force at 0.5 MPa, making it well-suited for medium-to-heavy handling tasks.
This unit is configured with a SUS420J2 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads. It features variable air cushions at both ends to decelerate the load smoothly, but note that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20 |
|---|---|
| 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 SAIJ80AX95-20
| 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 SAIJ80AX95-20 Is Used
Machine Changeover
Dial in the 75-95 mm travel window during product size transitions to set new end stops rapidly without changing the cylinder hardware.
End-Stop Tuning
Use the 20 mm rear adjusting screw to fine-tune the final retract position during commissioning, ensuring exact placement of 2513 N of push force.
Assembly Conveyors
Apply variable positioning on the line to accommodate different part dimensions, relying on the PT-threaded G3/8 port for reliable air supply.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20 the Right Cylinder?
Choose this 80 mm bore when you need higher force than the 50 mm bore (which provides 982 N push at 0.5 MPa) but want to avoid the larger footprint of a 100 mm cylinder. The 20 mm rear adjustment screw is ideal for fine-tuning the end position at machine commissioning without swapping out the entire cylinder or adding external stops. For load-holding requirements without continuous air pressure, consider the SAIL or BSAI series, as the SAIJ adjuster is not a locking mechanism. Because the stroke is under 300 mm, side-load stress on the 25 mm rod is manageable, though an external guide is always recommended for heavy lateral loads. This model uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets.
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 SAIJ80AX95-20 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. It can reach a maximum of 513 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the 95 mm nominal stroke by up to 20 mm, giving an effective travel range of 75 to 95 mm. It acts as a mechanical stop to set the end position and is not a lock.
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