Airtac SAIJ80 Adjustable Cylinder SAIJ80X195-75
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X195-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 195mm 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
- Stroke195 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X195-75
The AirTAC SAIJ80X195-75 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features an 80mm bore and a 195mm nominal stroke that can be dialed back by up to 75mm, yielding a usable travel window of 120-195mm. This wide adjustment band is ideal for dialing in exact end positions during commissioning without swapping hardware. In the 80mm bore class, it generates 2513N of push force and 2268N of pull force at 0.5 MPa.
The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. This model uses a carbon steel piston rod with an M20x1.5 thread, providing a robust interface for mounting attachments. The rear adjuster acts purely as a mechanical stop to set the retract position, working alongside the standard variable air cushions at both ends to decelerate the load smoothly.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X195-75 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X195-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 195 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 SAIJ80X195-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×195 | 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 SAIJ80X195-75 Is Used
Product Changeover Lines
Leverage the 120-195mm travel window to quickly reset retract end-stops when switching between different product sizes on the same conveyor line.
Commissioning Calibration
Fine-tune the final resting position of a 2513N push force tool during machine setup without machining external stop blocks.
Variable End-Stop Assembly
Use the 75mm rear screw adjustment to vary the insertion depth of a component on automated assembly machinery.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X195-75 the Right Cylinder?
Select this 80mm bore cylinder when an application requires substantial force, offering 2513N push at 0.5 MPa, which is a significant step up from the 50mm bore's 982N. The 75mm adjustment range is particularly useful on product changeover lines where end-stop positions vary significantly between runs. If your process requires holding a load without live air pressure, note that this adjuster is a travel stop and not a lock; you would need to specify an AirTAC SAIL or BSAI cylinder for positive load holding.
Because this unit features a 195mm stroke, the M20x1.5 rod and standard carbon steel construction handle high axial loads well, though any application approaching the 800mm/s maximum speed should ensure external guiding to prevent excessive side-loading. To match this ISO 15552 interchangeable cylinder exactly, specify: 80mm bore, 195mm stroke, 75mm adjustment, PT tapered port thread, and a mounting choice from the SAIJ subset (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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 SAIJ80X195-75 FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At 0.7 MPa, the push force increases to 3518N.
The rear adjuster screw allows you to shorten the effective stroke from the nominal 195mm down to 120mm. It acts as a mechanical stop to set the retract end position, but it does not lock the load without continuous air pressure.
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