Airtac SAIJ100 Adjustable Cylinder SAIJ100AX290-75
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX290-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 290mm 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
- Stroke290 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 SAIJ100AX290-75
The AirTAC SAIJ100X290-75 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster that allows you to fine-tune the retract end-position. With a nominal 290 mm stroke and a 75 mm adjustment range, it provides a usable travel window of 215-290 mm. This adaptability lets you dial in exact end-stops during commissioning or product changeovers without swapping out the entire actuator.
This SKU features a SUS420J2 stainless steel rod (material code A) for superior corrosion resistance compared to standard carbon steel. It uses PT tapered port threads and lacks a standard magnet, meaning position sensing is not integrated out of the box. The extruded aluminum barrel includes sensor grooves on both sides should you later require a magnet-equipped variant. Remember that the rear adjuster acts purely as a mechanical stop to set deceleration; it does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX290-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX290-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 290 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 SAIJ100AX290-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×290 | 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 SAIJ100AX290-75 Is Used
Product Changeovers
Rapidly adjust the 215-290 mm travel window during packaging line format changes to accommodate varying carton sizes without changing the cylinder.
End-Stop Tuning
Fine-tune the retract position during machine commissioning to perfectly align a 3927 N pressing or clamping operation without external stop blocks.
Heavy-Duty Positioning
Leverage the robust 100 mm bore and SUS420J2 stainless steel rod for moving heavy jigs or fixtures in corrosive manufacturing environments.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX290-75 the Right Cylinder?
The 75 mm adjustment range is ideal for machinery requiring frequent product-size changeovers, allowing variable end-stops without adding external stops. For any stroke at or above 300 mm, the 25 mm rod diameter and M20x1.25 rod thread provide rigidity, but an external guide is still recommended to prevent side-loading damage.
When matching this cylinder for an ISO 15552 interchange, verify the 100 mm bore, 290 mm stroke, 75 mm adjustment, PT ports, and the absence of a -S magnet. If your application requires true load-holding without continuous air pressure, the rear stopper here is not a lock; you should explore the AirTAC SAIL (pneumatic lock) or BSAI (clamp-lock) series instead.
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 SAIJ100AX290-75 FAQ
At the maximum 1.0 MPa pressure, it can deliver up to 801 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from the nominal 290 mm down to 215 mm. It sets the travel end and deceleration point but does not lock or hold the load without live air pressure.
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