Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 85mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke85 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10
The AirTAC SAIJ100X85-10 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the end position. With a nominal 85 mm stroke and a 10 mm adjustment range, it provides a usable travel window of 75 to 85 mm. This bore size delivers a substantial 7068N of push force at 0.9 MPa, making it suitable for heavy-duty positioning tasks.
Equipped with a 25 mm carbon steel rod and an M20x1.5 thread, it handles high side loads effectively, while the extruded aluminum barrel integrates sensor grooves on both sides. The mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 85 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×85 | 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 SAIJ100 Adjustable Cylinder SAIJ100X85-10 Is Used
Machine Setup & Changeover
Dial in the exact 75 to 85 mm travel end-stop during equipment commissioning or product size transitions without swapping the entire cylinder.
Heavy Material Positioning
Leverage the 7068N push force at 0.9 MPa to move heavy pallets or chassis components into precise alignment before a machining operation.
Variable End-Stop Tuning
Compensate for mechanical wear or slight part tolerances by adjusting the rear stopper up to 10 mm, ensuring consistent seating pressure.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100X85-10 the Right Cylinder?
Choose this 100 mm bore cylinder when an 80 mm bore (providing 4523N push at 0.5 MPa) is insufficient for your force requirements. The adjustable stroke is ideal for machine setup and product changeover, allowing you to dial in the exact end-stop without swapping hardware or adding external stops. For a fixed end-position, a standard SAI cylinder is simpler, but the SAIJ variant excels during commissioning.
To replace this ISO 15552 cylinder, match the 100 mm bore, 85 mm stroke, 10 mm adjustment, PT tapered port thread, and the desired mounting. Because it lacks a magnet, position sensing requires adding an external switch or confirming sensor compatibility. Note that the rear adjuster is a stop, not a lock; for load-holding without live air, consider the SAIL or BSAI series.
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 SAIJ100 Adjustable Cylinder SAIJ100X85-10 FAQ
At an operating pressure of 0.9 MPa, this 100 mm bore cylinder provides a push force of 7068N and a pull force of 3681N. At 0.5 MPa, the push force is 3927N.
The rear adjuster allows you to shorten the effective travel from the nominal 85 mm down to 75 mm, giving a 75-85 mm usable window. It acts as a mechanical stop to fine-tune the end position and does not lock the load without continuous air pressure.
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