Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 105mm 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
- Stroke105 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100
The AirTAC SAIJ80X105-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the nominal 105 mm travel back by up to 100 mm. This yields a highly versatile 5 to 105 mm usable travel window, perfect for prototyping or lines running multiple product sizes. Delivering 4523 N of push force at 0.9 MPa, it handles substantial workloads. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting.
This specific configuration features a SUS304 stainless steel rod (option B) for superior corrosion resistance in harsh or washdown environments. It uses PT tapered port threads and lacks a piston magnet. Remember that the rear adjuster acts only as a mechanical stop to set the end position; it does not lock the load without live air pressure. For load-holding without continuous air, consider the SAIL or BSAI series.
Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 105 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 SAIJ80BX105-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×105 | 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 SAIJ80BX105-100 Is Used
Product Changeover
Rapidly adjust the end-of-stroke stop from 5 mm to 105 mm to accommodate varying package sizes on a single conveyor line without changing tooling.
Prototyping Fixtures
Dial in the exact clamping distance during R&D commissioning, finding the optimal travel window before finalizing a fixed-stroke SAI cylinder design.
Washdown Clamping
Leverage the SUS304 stainless steel rod for corrosion resistance while providing 2513 N of pull force at 0.5 MPa in food processing or chemical handling stations.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80BX105-100 the Right Cylinder?
Choose this 80 mm bore when you need 2513 N of thrust at a standard 0.5 MPa, stepping up from a 63 mm bore (1559 N) for heavier pressing or clamping. The massive 100 mm adjustment range is ideal for machine changeovers, letting you dial in the exact end-stop without swapping cylinders or adding external stops. If your application requires position feedback, note that this specific SKU lacks the -S magnet, so CMSE reed or DMSE electronic sensors will not function. You would need the -S variant for that.
When replacing an ISO 15552 cylinder, match these exact specs: 80 mm bore, 105 mm stroke, 100 mm adjustment, PT port threads, and the SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Because the nominal stroke is 105 mm, side-load risks are minimal, but always ensure the M20x1.5 rod thread is securely coupled to your load to prevent misalignment.
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 SAIJ80BX105-100 FAQ
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke from its nominal 105 mm down to as little as 5 mm. This creates a 5-105 mm travel window. Note that this adjuster only sets the end position; it does not function as a lock to hold the load without continuous air pressure.
At 0.5 MPa operating pressure, it provides 2513 N of push force and 2268 N of pull force. At 0.9 MPa, the push force increases to 4523 N.
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