Airtac SAIJ80 Adjustable Cylinder SAIJ80BX100-75
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX100-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 100mm 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
- Stroke100 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX100-75
The AirTAC SAIJ80X100-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel window down from a 100 mm nominal stroke to a minimum of 25 mm. In the 80 mm bore class, it delivers a robust 2513 N push and 2268 N pull force at 0.5 MPa, making it well-suited for medium-to-heavy actuation tasks. The barrel is extruded aluminum with sensor grooves on both sides.
This specific SKU is configured with a SUS304 stainless steel rod (option B) for superior corrosion resistance and a PT tapered port thread. The rear adjuster acts purely as a mechanical stop to set the end position during commissioning without swapping cylinders, but it does not lock the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX100-75 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX100-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 100 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 SAIJ80BX100-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×100 | 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 SAIJ80BX100-75 Is Used
Variable End-Stop Positioning
Dial in the exact retract distance between 25 and 100 mm during machine setup to accommodate different material thicknesses without changing hardware.
Product Size Changeovers
Quickly reconfigure the cylinder stroke on packaging lines when switching between different product sizes, using the rear screw for fine-tuning.
Corrosion-Resistant Actuation
Leverage the SUS304 stainless steel rod in environments where moisture or light chemicals are present, ensuring reliable medium-force movement.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX100-75 the Right Cylinder?
Choose this SAIJ80X100-75 when your application requires variable end-stops or frequent machine changeovers, allowing you to dial in the stroke anywhere between 25 and 100 mm without adding external stops. If you need less force, stepping down to a 63 mm bore yields 1402 N pull at 0.5 MPa; if you need higher force, a 100 mm bore provides 3681 N pull.
Because this is a double-acting cylinder, the rear adjuster and air cushions only decelerate the travel end—they do not hold the load without live air. For fail-safe load holding, consider the SAIL or BSAI series. This model is dimensionally interchangeable per ISO 15552 and supports a mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR).
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 SAIJ80BX100-75 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 delivers up to 4523 N of push force.
The rear mechanical stopper allows you to trim the effective stroke back by up to 75 mm from the 100 mm nominal length, creating a usable travel window of 25 to 100 mm. This adjuster sets the end position but does not lock the load without live air pressure.
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