Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-100S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 500mm 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
- Stroke500 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-100S
The AirTAC SAIJ80X500-100-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 400 to 500 mm. Delivering a robust 4523N of push force at 0.9 MPa, it features a 25mm SUS420J2 stainless steel rod and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, fully supporting CMSE reed and DMSE electronic switches for precise position feedback.
This model allows operators to fine-tune the retract end-position at commissioning without swapping the cylinder or adding external stops. The rear adjuster acts purely as a travel stop to set deceleration, meaning it will not hold a load without live air pressure. Mounting options include the SAIJ subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-100S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 500 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 SAIJ80AX500-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×500 | 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 SAIJ80AX500-100S Is Used
Product Changeover
Dial the travel back up to 100mm to accommodate varying package sizes on a packaging line without changing cylinder hardware.
End-Position Tuning
Fine-tune the retract stop during machine setup to perfect the seating of components without installing external mechanical stops.
Variable End Stops
Set precise deceleration points for heavy actuators in automated assembly, relying on the 4523N force to move substantial loads.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX500-100S the Right Cylinder?
Choose this 80mm bore when an application requires 4523N of push force at 0.9 MPa; step down to a 63mm bore if your load only needs 2805N, or up to a 100mm bore for 7068N. An adjustable stroke is selected over a fixed SAI cylinder when machinery requires variable end-stops for product changeovers. For load-holding without live air, use an external rod lock or pilot-operated check valve, as the SAIJ adjuster is not a brake. To match this ISO 15552 replacement exactly, verify the 500mm stroke, 100mm adjustment, PT ports, and the -S magnet. Because the 500mm stroke is long, an external guide is recommended to prevent excessive side-loading on the 25mm rod.
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 SAIJ80AX500-100S FAQ
At an operating pressure of 0.9 MPa, this 80mm bore cylinder provides 4523N of push force and 4071N of pull force, with a maximum thrust of 513 kgf at 1.0 MPa.
The rear adjuster acts as a stop that lets you shorten the nominal 500mm stroke by up to 100mm, creating a 400-500mm usable travel window. It sets the end position but does not lock the load without live air.
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