Airtac SAIJ80 Adjustable Cylinder SAIJ80AX150-30S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80AX150-30S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 150mm stroke, G3/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke150 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX150-30S
The AirTAC SAIJ80X150-30-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to fine-tune the travel end-position during commissioning. It provides a usable stroke window of 120 to 150 mm, letting you dial back the nominal 150 mm travel by up to 30 mm without adding external stops.
This variant features an SUS420J2 stainless steel rod for improved corrosion resistance and uses PT tapered port threads. The integrated magnet (-S) supports position sensing via AirTAC CMSE reed and DMSE electronic switches. The rear adjuster acts purely as a mechanical stop to set the retract position; it is not a locking device and will not hold a load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX150-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX150-30S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 150 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80AX150-30S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×150 | 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 SAIJ80AX150-30S Is Used
Machine Changeover
Dial in the 120-150 mm travel window during product size transitions to set new retract endpoints without physically replacing the cylinder.
End-Position Tuning
Fine-tune the final retract position at commissioning to absorb mechanical tolerances and achieve precise alignment without external stopper blocks.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX150-30S the Right Cylinder?
The adjustable 120-150 mm travel window is ideal for product changeovers on a line, letting you shift the end-stop precisely without swapping the cylinder. For load-holding requirements without continuous air pressure, consider the SAIL or BSAI series instead, as the SAIJ adjuster is only a travel stop. To match this ISO 15552 replacement exactly, verify the 150 mm stroke, 30 mm adjustment, PT G3/8 port, and the -S magnet option. Because the stroke is under 300 mm, side-load risks are moderate, but an external guide is still recommended for heavy lateral loads.
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 SAIJ80AX150-30S FAQ
The rear adjuster screw lets you shorten the effective travel by up to 30 mm. This creates a usable stroke window of 120 to 150 mm, allowing you to set the exact retract end-position during setup without changing the cylinder.
At the maximum 1.0 MPa pressure, the push force increases to 4523 N.
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