Airtac SAIJ80 Adjustable Cylinder SAIJ80AX375-100
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX375-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 375mm 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
- Stroke375 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX375-100
The AirTAC SAIJ80X375-100 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear mechanical adjuster that creates a 275 to 375 mm usable travel window. Delivering 2513 N of push force at 0.5 MPa, it utilizes a robust 25 mm rod with an M20x1.5 thread and PT tapered ports to handle demanding pneumatic setups.
This variant features a SUS420J2 stainless steel rod for enhanced corrosion resistance and includes adjustable air cushions at both ends to decelerate heavy loads smoothly. Because the stroke extends past 300 mm, an external guide is recommended to prevent excessive side-loading on the piston rod during operation.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX375-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX375-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 375 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 SAIJ80AX375-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×375 | 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 SAIJ80AX375-100 Is Used
Product Changeovers
Quickly modify the 275-375 mm stroke endpoint on packaging lines to accommodate different carton sizes without changing the hardware.
Machine Setup
Fine-tune the final retract position during commissioning to achieve precise alignment, eliminating the need for external shims.
Variable End Stops
Ideal for automated assembly stations requiring flexible positioning windows and heavy pushing capability up to 2513 N.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX375-100 the Right Cylinder?
Choose this 80 mm bore when an application requires more thrust than a 63 mm cylinder (which provides 1559 N at 0.5 MPa) but without the bulk of a 100 mm unit. The 100 mm adjustment range is ideal for product changeovers, allowing operators to dial in the exact end position without swapping cylinders or adding external stops. For fixed-position tasks without commissioning tweaks, a standard SAI cylinder is sufficient.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 375 mm nominal stroke, PT port threads, and the specific mounting accessory. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR options. Note that the rear adjuster acts only as a travel stop; it cannot hold a load without continuous air pressure, so a SAIL or BSAI locking cylinder is required for dead-air holding.
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 SAIJ80AX375-100 FAQ
At 0.5 MPa operating pressure, this 80 mm bore cylinder provides 2513 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjuster screw allows you to shorten the effective travel from the 375 mm nominal stroke down to 275 mm. This stopper mechanically limits the retract stroke but does not lock the load without live air pressure.
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