Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-40S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 230mm 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
- Stroke230 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-40S
The AirTAC SAIJ80X230-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N push force at 0.5MPa and features a 190-230mm usable travel window, letting you trim up to 40mm off the 230mm nominal stroke during commissioning without adding external stops. The extruded aluminum barrel includes sensor grooves on both sides for straightforward position feedback.
This variant includes a SUS420J2 stainless steel rod for superior corrosion resistance and a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The G3/8 PT port and 25mm rod diameter handle heavy loads, while the rear adjuster acts purely as a travel stop for end-position tuning, not as a load-holding lock.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-40S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 230 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 SAIJ80AX230-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×230 | 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 SAIJ80AX230-40S Is Used
Product Changeovers
Quickly fine-tune the 190-230mm retraction end-stop when switching between product sizes on a packaging line, avoiding the need to physically swap cylinders.
Machine Setup Calibration
Dial in the exact end-of-stroke position during initial commissioning to perfectly time a heavy pressing or lifting operation within a 40mm adjustment band.
Assembly Line Positioning
Provides 2513N of push force at 0.5MPa for moving substantial pallets or fixtures, with rear adjustment to compensate for mechanical tolerance stack-up.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX230-40S the Right Cylinder?
Choose this 80mm bore when an application requires higher thrust than the 63mm bore (which provides 1559N push at 0.5MPa) but does not need the full 3927N push force of the 100mm class. The adjustable-stroke design is ideal for product changeovers on a line, allowing you to dial in the exact 190-230mm end position on the fly instead of swapping to a fixed-stroke SAI cylinder.
Because the stroke is 230mm, ensure adequate external guiding to prevent excessive side-loading on the 25mm rod. If your process requires the load to be held securely without continuous live air pressure, note that this cylinder's adjuster is only a stop; you should instead select an SAIL pneumatic lock or BSAI clamp-lock cylinder. For ISO 15552 mounting interchangeability, match the 80mm bore, 230mm stroke, PT G3/8 port, and choose from Basic, FA, LB, TC, FTC, TCM1, or TCM2 mounts (FB, CA, CB, and CR are omitted from the SAIJ series).
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 SAIJ80AX230-40S FAQ
At 0.5MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7MPa, the push force increases to 3518N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from the 230mm nominal length down to 190mm. It sets the travel end and relies on the air cushion for deceleration, but it does not lock or hold the load without live air pressure.
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