Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-75S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 175mm 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
- Stroke175 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-75S
The AirTAC SAIJ80X175-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 100-175 mm usable travel window from its 175 mm nominal stroke. Delivering 2513 N of push force at 0.5 MPa, it handles robust actuation while allowing rapid end-position tuning during commissioning.
This SKU includes a magnetic piston for position sensing with CMSE reed or DMSE electronic switches. It uses PT tapered port threads (G3/8) and a 25 mm carbon steel rod. The rear stopper acts purely as a travel limit and does not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 175 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 SAIJ80X175-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×175 | 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 SAIJ80X175-75S Is Used
Machine Changeover
Dial in the 100-175 mm travel window on the fly to accommodate different product sizes without replacing the actuator.
Commissioning Setup
Use the 75 mm rear adjustment range to fine-tune the retract end-position perfectly during initial machine setup.
Variable End Stops
Ideal for assembly lines needing flexible physical limits to prevent overtravel and adapt to varying jig depths.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X175-75S the Right Cylinder?
Choose this adjustable-stroke model over a fixed SAI when your application requires frequent product changeovers or precise end-position tuning without swapping cylinders. For lighter duties, stepping down to a 63 mm bore yields 1559 N at 0.5 MPa. For heavier loads, a 100 mm bore provides 3927 N.
As an ISO 15552 interchangeable cylinder, it matches standard mounting dimensions and offers the reduced SAIJ mounting set: Basic, FA, LB, TC, FTC, TCM1, and TCM2. For load-holding without live air, select a SAIL or BSAI cylinder instead.
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 SAIJ80X175-75S 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 513 kgf.
The rear adjuster screw lets you shorten the effective stroke by up to 75 mm. This creates a usable travel window of 100 to 175 mm, allowing you to set the exact end position without adding external stops.
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