Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-40
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80AX80-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 80mm 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
- Stroke80 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 SAIJ80AX80-40
The AirTAC SAIJ80X80-40 is a double-acting, double-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 80 mm stroke that can be dialed back by up to 40 mm, creating a highly flexible 40-80 mm usable travel window for precise end-position tuning during commissioning.
This variant is configured with an SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance, alongside PT tapered port threads. The extruded aluminum barrel incorporates sensor grooves on both sides, allowing for the direct mounting of AirTAC CMSE reed or DMSE electronic sensors if a magnet is specified later. The rear stopper screw acts solely as a travel end deceleration point, not a load-holding lock.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-40 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 80 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 SAIJ80AX80-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×80 | 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 SAIJ80AX80-40 Is Used
Product Changeovers
Dial in the 40-80 mm travel window on the fly to accommodate different package sizes on a packaging line without changing the cylinder.
End-Position Tuning
Fine-tune the retract stroke during machine commissioning to achieve exact positioning, utilizing the rear stopper to avoid mechanical hard stops.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX80-40 the Right Cylinder?
The SAIJ80X80-40 is chosen over a fixed-stroke SAI when a machine requires a 40-80 mm adjustable travel window to accommodate product changeovers without swapping hardware.
Because the nominal stroke is 80 mm, the 25 mm rod diameter handles side loads well without requiring external guides. For load-holding without live air pressure, this standard adjuster cannot serve as a lock; you must utilize an external pilot-operated check valve or transition to an AirTAC SAIL or BSAI cylinder. This model is dimensionally interchangeable per ISO 15552 and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ80AX80-40 FAQ
At 0.7 MPa, the push force increases to 3518 N.
The SAIJ80X80-40 has a rear adjusting screw that allows you to shorten the effective stroke by up to 40 mm. This creates a usable travel window between 40 mm and 80 mm, letting you set the exact end position without adding external stops.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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