Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20S 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 SAIJ80AX95-20S
The AirTAC SAIJ80X95-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling you to fine-tune the end-of-travel position. It provides a usable travel window of 75-95 mm, letting you dial back the 95 mm nominal stroke by up to 20 mm during machine commissioning without adding external stops. Delivering 2513 N of push force at 0.5 MPa, it handles substantial actuation tasks with precision.
This variant features a SUS420J2 stainless steel rod for superior corrosion resistance and includes a magnet for position sensing via CMSE reed or DMSE electronic switches. The extruded aluminum barrel integrates sensor grooves on both sides, and the G3/8 PT tapered ports ensure a tight, reliable pneumatic connection.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20S |
|---|---|
| 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 SAIJ80AX95-20S
| 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 SAIJ80AX95-20S Is Used
Machine Changeover
Dial in the 75-95 mm travel window during product size transitions without swapping out the entire cylinder or re-engineering external stop blocks.
End-Position Tuning
Fine-tune the retract stroke by up to 20 mm at commissioning to perfect seating or clamping forces without mechanical modifications.
Automated Assembly
Leverage the 2513 N push force and DMSE electronic sensing to drive robust assembly operations requiring precise, adjustable end-stops.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX95-20S the Right Cylinder?
Choose this 80 mm bore when your application requires more thrust than the 63 mm class (1559 N at 0.5 MPa) but less than the 100 mm class (3927 N at 0.5 MPa). The adjustable stroke is ideal for setups requiring variable end-stops or frequent product changeovers, offering flexibility that a fixed-stroke SAI cylinder cannot match. To replace an existing ISO 15552 cylinder, match the 80 mm bore, 95 mm stroke, 20 mm adjustment, G3/8 PT ports, and the -S magnet requirement.
The rear adjuster acts strictly as a travel stop to set deceleration and end position; it does not hold the load without live air pressure. For load-holding applications without continuous air, consider an AirTAC SAIL pneumatic lock, BSAI clamp-lock, or an external rod lock. Although the stroke is under 300 mm, the 25 mm rod diameter handles side loads well, but always guide the load externally for optimal longevity.
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 SAIJ80AX95-20S 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 the maximum 1.0 MPa pressure, it delivers up to 513 kgf.
The rear adjuster screw lets you shorten the 95 mm nominal stroke by up to 20 mm, creating a usable travel window of 75-95 mm. The adjuster acts as a mechanical stop to set the end position and does not lock the load without live air pressure.
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