Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-75S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 160mm 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
- Stroke160 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-75S
The AirTAC SAIJ80X160-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a robust 2513N push force at 0.5 MPa and features a 25mm carbon steel piston rod with an M20x1.5 thread. The integrated -S magnet enables position sensing via AirTAC CMSE reed or DMSE electronic switches. By incorporating a rear stopper screw, this model allows you to dial back the nominal 160mm stroke by up to 75mm, creating a precise 85-160mm usable travel window for highly variable end-position tuning.
This adjuster functions strictly as a mechanical travel stop to set deceleration limits, not as a load-holding lock; maintaining position requires continuous live air. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. It utilizes a PT tapered port thread and operates at speeds between 30-800mm/s. Mounting options include the standard SAIJ subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR configurations.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 160 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 SAIJ80X160-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×160 | 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 SAIJ80X160-75S Is Used
Variable End-Stop Tuning
Dial in the exact 85-160mm end position during machine commissioning to accommodate multiple product sizes without mechanical rebuilds.
Product Changeover Systems
Rapidly adjust the stroke length on packaging conveyors to handle different carton dimensions on the fly using the rear stopper screw.
Heavy-Duty Positioning
Leverage the 2513N push force to move heavy pallets or fixtures, relying on the 25mm carbon steel rod to handle significant side loads.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X160-75S the Right Cylinder?
Choose this 80mm bore when an application requires substantial thrust, such as the 2513N push or 2268N pull force at 0.5 MPa. If your setup demands less force, stepping down to a 63mm bore yields 1559N push force, whereas moving up to a 100mm bore provides 3927N. The 75mm adjustment range is particularly valuable for product changeovers on a packaging line, allowing operators to fine-tune the 85-160mm travel window without swapping the cylinder or adding external stops. For applications needing true load-holding without live air pressure, consider the SAIL pneumatic lock or BSAI clamp-lock series instead of relying on the rear adjuster. To ensure a direct ISO 15552 replacement match, verify the 160mm stroke, 75mm adjustment, G3/8 port, PT thread, and -S magnet requirement.
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 SAIJ80X160-75S FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides a push force of 2513N and a pull force of 2268N. At 0.7 MPa, the push force increases to 3518N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the 160mm nominal stroke down to as little as 85mm. This creates a flexible 85-160mm usable window for fine-tuning end positions at commissioning.
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