Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-100S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 300mm 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
- Stroke300 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-100S
The AirTAC SAIJ80X300-100-S is a double-acting ISO 15552 profile cylinder with a 300 mm nominal stroke and a 100 mm rear adjustment range, creating a usable travel window of 200 to 300 mm. It delivers 3518 N of push force and 2268 N of pull force at 0.7 MPa, making it a robust choice for heavy actuation. The -S magnet integrates directly with AirTAC CMSE reed and DMSE electronic sensors fitted into the dual-side barrel grooves.
This unit features a SUS420J2 stainless steel rod for superior corrosion resistance and uses PT tapered port threads (G3/8). The rear stopper allows precise end-position tuning during commissioning or product changeover without swapping the cylinder. Remember that this adjuster is a travel stop, not a lock; it decelerates the stroke end but will not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-100S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 300 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 SAIJ80AX300-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×300 | 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 SAIJ80AX300-100S Is Used
Variable End-Stop Dials
Quickly reconfigure the retract end-position from 200 to 300 mm during product family changeovers without disassembling the actuator assembly.
Heavy Press Tuning
Leverage the 3518 N push force at 0.7 MPa to press components, using the 100 mm adjuster to fine-tune insertion depth precisely at the machine setup phase.
Multi-Format Conveying
Actuate diverter arms on packaging lines handling varied carton sizes, adjusting the stroke window on the fly to accommodate different package widths.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX300-100S the Right Cylinder?
Choose this 80 mm bore when 50 mm (1374 N push at 0.7 MPa) lacks the power for heavy fixtures, but a 100 mm bore (5497 N) would be excessive overkill. The 100 mm adjustment range is ideal for machines running multiple product sizes, allowing you to dial in the exact end-stop on the fly instead of fabricating external spacers. For load-holding without continuous air pressure, this plain cylinder is insufficient—consider an AirTAC SAIL pneumatic lock or BSAI clamp-lock cylinder instead.
Because the 300 mm stroke is substantial, the 25 mm diameter rod and M20x1.5 thread provide rigidity, but you must use an external guide rail to prevent side-load damage on the unsupported piston. This SKU maps to a true ISO 15552 interchangeable footprint with a G3/8 PT port, 36 mm air cushions at both ends, and a -S magnet. It supports the SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and operates at 30-800 mm/s.
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 SAIJ80AX300-100S FAQ
At a 0.7 MPa operating pressure, this 80 mm bore cylinder provides 3518 N of push force and 2268 N of pull force. At the maximum 1.0 MPa pressure, the push force reaches 4523 N.
The rear adjuster screw lets you mechanically shorten the effective stroke by up to 100 mm, providing a usable travel window of 200 to 300 mm. It acts as a physical stop to tune the end position, but it is not a lock and will not hold the load without live air pressure.
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