Airtac SAIJ80 Adjustable Cylinder SAIJ80BX130-40S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80BX130-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 130mm 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
- Stroke130 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 SAIJ80BX130-40S
The AirTAC SAIJ80X130-40-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 130 mm stroke that can be fine-tuned backward by up to 40 mm, delivering a usable travel window of 90 to 130 mm.
This variant features a SUS304 stainless steel rod for enhanced corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel incorporates sensor grooves on both sides, and the G3/8 PT port ensures robust airflow for speeds up to 800 mm/s. The rear adjustment screw acts purely as a mechanical stop for end-position tuning and does not lock the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX130-40S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX130-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 130 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 SAIJ80BX130-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×130 | 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 SAIJ80BX130-40S Is Used
Machine Changeover
Dial in the 90-130 mm travel window during product size changes on a packaging line without replacing the cylinder or adding external stops.
Variable End-Position Tuning
Fine-tune the retract end-stop during commissioning to perfect the seating of heavy components using the 40 mm adjustment screw.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX130-40S the Right Cylinder?
The adjustable stroke is perfect for machine setups requiring variable end-stops or commissioning fine-tuning without swapping out the entire cylinder. For applications needing true load-holding in the event of air loss, note that this adjuster is not a lock; you should consider an AirTAC SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 130 mm stroke, 40 mm adjustment range, G3/8 PT port, and the -S magnet. The SAIJ utilizes a specific mounting subset including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR footprints. Because this model features a 25 mm rod and M20x1.5 thread, it handles side loads well, but any stroke over 300 mm would still require an external guide.
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 SAIJ80BX130-40S FAQ
At a maximum 1.0 MPa, it can achieve up to 513 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective travel from the nominal 130 mm down to 90 mm. It is used for fine-tuning end positions at commissioning but does not lock the load without live air pressure.
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