Airtac SAIJ80 Adjustable Cylinder SAIJ80AX400-10
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX400-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 400mm 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
- Stroke400 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX400-10
The AirTAC SAIJ80X400-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel by up to 10 mm. This creates a highly precise 390-400 mm usable window, letting you dial in the exact retract position during commissioning without adding bulky external stops. It delivers a robust 4523N of push force at 0.9 MPa, making it well-suited for heavy manipulation tasks.
This variant is fitted with an SUS420J2 stainless steel rod (code A) for improved resistance to surface wear and corrosion compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches, though this specific SKU is supplied without a magnet. The rear adjuster acts purely as a mechanical travel stop to set the end position; it does not lock or hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX400-10 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX400-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 400 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 SAIJ80AX400-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×400 | 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 SAIJ80AX400-10 Is Used
Product Changeovers
Adjust the 10 mm travel window on packaging lines to accommodate different carton lengths without physically replacing the cylinder.
End-Stop Tuning
Fine-tune the retract position during machine commissioning to perfectly align a 4523N clamping force against a varying workpiece.
Heavy Assembly Jigs
Utilize the 80 mm bore power to push components into bearings, using the rear screw to dial back the final 10 mm of travel for delicate seating.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX400-10 the Right Cylinder?
Choose this 80 mm bore when a 63 mm bore (providing 2805N push at 0.9 MPa) lacks the power to shift your payload, but a 100 mm bore (7068N) would be excessive overkill. The adjustable 390-400 mm travel window is ideal for machinery that processes multiple product sizes, as you can fine-tune the retract end-stop on the fly instead of physically swapping out a fixed-stroke SAI cylinder. Because the nominal 400 mm stroke is substantial, an external guide rail is recommended to prevent side-loading damage to the M20x1.5 rod thread.
This SAIJ model uses a PT tapered port thread and supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR brackets. If your application requires true load-holding without continuous air pressure, this cylinder will not suffice; you should instead select an AirTAC SAIL (air-released lock) or BSAI (clamp-lock) cylinder. It operates at speeds of 30-800 mm/s and is dimensionally interchangeable per ISO 15552 mounting-interface dimensions.
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 SAIJ80AX400-10 FAQ
A rear adjusting screw acts as a mechanical stop, allowing you to shorten the 400 mm nominal stroke by up to 10 mm. This provides a 390-400 mm usable travel window for fine-tuning the end position at commissioning.
At a 0.9 MPa operating pressure, the SAIJ80X400-10 generates a push force of 4523N and a pull force of 3681N. It can deliver a maximum force of 513 kgf at 1.0 MPa.
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