Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-100
The AirTAC Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-100 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 SAIJ80X170-100
The AirTAC SAIJ80X170-100 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel. With a 170 mm nominal stroke and a 100 mm adjustment range, you get a wide 70-170 mm usable travel window for precise end-position tuning during commissioning. It delivers 2513 N of push force and 2268 N of pull force at 0.5 MPa, making it suitable for medium to heavy-duty positioning tasks.
This 80 mm bore model uses a G3/8 port and a 25 mm carbon steel rod with an M20x1.5 thread. The larger rod diameter handles greater side loads, though long unsupported strokes still require an external guide. It features variable air cushions at both ends to decelerate the piston, but note that the rear adjuster acts only as a travel stop, not a lock, so it will not hold the load without live air pressure.
Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-100 Technical Specifications
| Model | Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-100 |
|---|---|
| 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 SAIJ80X170-100
| 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 SAIJ80X170-100 Is Used
Product Changeover
Dial in the 70-170 mm travel window during production line changeovers to accommodate different package sizes without replacing the cylinder.
Machine Setup
Fine-tune the retract end-position at commissioning to perfectly seat components, eliminating the need for external mechanical stops.
Variable End-Stops
Adjust the rear stopper screw to test multiple stroke lengths on a new fixture prototype before finalizing the exact travel distance.
Is the Airtac SAIJ80 Adjustable Cylinder SAIJ80X170-100 the Right Cylinder?
Choose this adjustable-stroke SAIJ over a fixed SAI when your application requires variable end-stops or frequent product-size changeovers without physically swapping the cylinder. If you need less force, stepping down to a 63 mm bore yields 1559 N of push force at 0.5 MPa. For higher force demands, a 100 mm bore provides 3927 N.
When replacing an ISO 15552 cylinder, match the 80 mm bore, 170 mm stroke, 100 mm adjustment, G3/8 PT ports, and your required mounting set. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, deliberately omitting FB, CA, CB, and CR. Because it lacks a magnet, it does not support CMSE or DMSE sensors out of the box. Remember that for fail-safe load holding without live air, you must look to the SAIL or BSAI series, as the SAIJ adjuster is strictly a stop.
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 SAIJ80X170-100 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 can deliver up to 513 kgf.
The rear adjuster screw lets you shorten the 170 mm nominal stroke by up to 100 mm, creating a 70-170 mm usable travel window. This stopper only sets the end position and does not lock the load without live air pressure.
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