Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-75S
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø80mm bore and 170mm 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
- Stroke170 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-75S
The AirTAC SAIJ80X170-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers robust performance with 2513N push force at 0.5 MPa, utilizing a 25mm carbon steel piston rod and G3/8 PT ports. Because this configuration includes the -S magnet, it is fully compatible with AirTAC CMSE reed and DMSE electronic solid-state sensors mounted into the dual-side extruded barrel grooves.
This specific SKU provides a generous 75mm adjustment range, creating a usable travel window of 95 to 170mm. This wide tuning band is perfect for product-size changeovers on a packaging line, letting you dial in the exact retract end-position without swapping the cylinder or adding external stops. The rear adjuster acts purely as a travel stop and works alongside the standard variable air cushions to decelerate the load, but it will not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-75S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø80 mm |
| Stroke | 170 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 SAIJ80X170-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 80 | Bore size in mm. |
| ×170 | 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 SAIJ80X170-75S Is Used
Product Changeovers
Quickly reconfigure the retract distance for varying carton sizes on a packaging line using the 75mm adjustment screw, avoiding mechanical teardown.
End-Position Tuning
Fine-tune the exact 95 to 170mm end-stop during machine commissioning to perfect the seating force without adding external bumpers.
Assembly Pressing
Leverage the 2513N push force at 0.5 MPa to seat components accurately, relying on the 36mm cushioning to absorb impact at the variable end position.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-75S the Right Cylinder?
Select this 80mm bore when an application requires higher thrust than a 63mm cylinder (which provides 1559N push at 0.5 MPa) but does not need the full 3927N push force of a 100mm bore. The adjustable 95-170mm travel window is ideal for machines running mixed product lengths, allowing operators to fine-tune the retract position at commissioning rather than machining custom spacers. For load-holding without continuous air pressure, this standard SAIJ adjuster is insufficient; you should instead look at the SAIL pneumatic lock or BSAI clamp-lock series. When replacing an ISO 15552 cylinder, match the 80mm bore, 170mm nominal stroke, G3/8 PT ports, and the -S magnet requirement.
Although the 170mm stroke is relatively short, the 25mm rod diameter and M20x1.5 rod thread provide excellent rigidity against side loads. For any application approaching or exceeding 300mm of travel, an external guide rail is recommended to prevent premature seal wear, though this shorter stroke typically manages offset loads well within its mechanical limits. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR styles found in some standard lines.
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 SAIJ80X170-75S FAQ
At 0.5 MPa operating pressure, this 80mm bore cylinder provides 2513N of push force and 2268N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 513 kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 75mm from the 170mm nominal length, providing an adjustable travel window of 95 to 170mm. This stopper sets the end position but does not lock the load without live air pressure.
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