Airtac SAIJ80 Adjustable Cylinder SAIJ80AX170-30S
The AirTAC SAIJ80 Adjustable Cylinder SAIJ80AX170-30S 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 interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ80 mm
- Stroke170 mm
- Port sizeG3/8
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX170-30S
The AirTAC SAIJ80X170-30-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 170 mm stroke that can be dialed back by up to 30 mm, giving you a precise 140-170 mm usable travel window for exact end-position tuning during commissioning.
This specific SKU features SUS420J2 stainless steel rod material (code A) for improved corrosion resistance and includes a magnet (-S) for electronic position sensing. It uses PT tapered port threads (G3/8) and relies on variable air cushions at both ends to manage deceleration. The rear adjuster acts purely as a travel stop and does not lock the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80AX170-30S Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80AX170-30S |
|---|---|
| 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ80 Adjustable Cylinder SAIJ80AX170-30S
| 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 SAIJ80AX170-30S Is Used
Machine Changeover
Dial in the 140-170 mm travel window during product size changes without physically replacing the actuator or adding external stopper blocks.
End-Position Tuning
Fine-tune the retract stroke at commissioning using the rear adjusting screw to perfectly align tooling or clamping faces.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80AX170-30S the Right Cylinder?
If your force requirements are lower, stepping down to a 63 mm bore yields 2182 N at 0.7 MPa, while stepping up to a 100 mm bore provides 5497 N. The 30 mm adjustment range is ideal for product changeovers on a line where end-stops frequently shift.
Because this is an adjustable-stroke variant, the mounting options are limited to the SAIJ subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). For load-holding without continuous air pressure, this cylinder will not suffice as the adjuster is only a stop; you should consider the SAIL or BSAI series instead. To replace an ISO 15552 cylinder, match the 80 mm bore, 170 mm nominal stroke, 30 mm adjustment, PT G3/8 ports, and the -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 SAIJ80AX170-30S FAQ
The maximum thrust is 513 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 30 mm from the nominal 170 mm, creating a 140-170 mm travel window. It acts as a mechanical stop to fine-tune the end position and does not function as a lock or brake to hold the load without live air.
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