Airtac SAIJ100 Adjustable Cylinder SAIJ100AX90-20
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX90-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 90mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ100 mm
- Stroke90 mm
- Port sizeG1/2
- 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 SAIJ100 Adjustable Cylinder SAIJ100AX90-20
The AirTAC SAIJ100X90-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel. With a 90 mm nominal stroke and a 20 mm adjustment range, it provides a 70-90 mm usable travel window for precise end-position tuning during commissioning.
This variant uses a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, though this specific unit is not equipped with a magnet for CMSE or DMSE electronic switches. The rear adjuster acts solely as a travel stop to set deceleration and end limits, not as a locking device to hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX90-20 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX90-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 90 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 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 SAIJ100 Adjustable Cylinder SAIJ100AX90-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×90 | 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 SAIJ100AX90-20 Is Used
Machine Changeover
Dial in the 70-90 mm travel window during product size changes without swapping out the entire cylinder or adding spacer shims.
End-Position Tuning
Fine-tune the exact retract distance at commissioning using the rear stopper to perfect the mating of heavy 100 mm bore tooling.
Variable End Stops
Adapt the stroke endpoint on the fly for flexible assembly lines where the rear stop position must be adjusted between runs.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX90-20 the Right Cylinder?
Select this 100 mm bore model when an application requires substantial force—such as 3927 N at 0.5 MPa or 7068 N at 0.9 MPa—combined with on-the-fly end-position tuning. If your process needs less thrust, stepping down to an 80 mm bore yields 2513 N at 0.5 MPa, whereas moving up to a 125 mm bore provides 6136 N. The adjustable 70-90 mm window is ideal for product changeovers where the exact end-of-stroke varies by 20 mm, eliminating the need to physically swap cylinders or bolt on external stops.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 90 mm stroke, PT G1/2 port, and the 20 mm adjustment requirement. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). For applications requiring the load to be held securely without continuous air pressure, this cylinder is insufficient; consider an AirTAC SAIL (air-released lock) or BSAI (clamp-lock) cylinder instead, as the rear adjuster here 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 SAIJ100 Adjustable Cylinder SAIJ100AX90-20 FAQ
The rear adjusting screw acts as an external stopper, allowing you to shorten the 90 mm nominal stroke by up to 20 mm. This creates a 70-90 mm usable travel window for fine-tuning the end position at commissioning without changing the cylinder.
At 0.9 MPa, the push force increases to 7068 N.
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