Airtac SAIJ100 Adjustable Cylinder SAIJ100AX80-75
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100AX80-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 80mm 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
- Stroke80 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 SAIJ100AX80-75
The AirTAC SAIJ100X80-75 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the nominal 80 mm stroke back by up to 75 mm. This creates a highly flexible 5 to 80 mm usable travel window, enabling precise end-position tuning at commissioning without swapping the cylinder or adding external stops.
This model uses a SUS420J2 stainless steel piston rod (option A) for enhanced corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting set is strictly limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure; for load-holding requirements, consider the SAIL or BSAI series.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX80-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX80-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 80 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 SAIJ100AX80-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×80 | 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 SAIJ100AX80-75 Is Used
Variable End-Stop Positioning
Dial in the exact end position between 5 and 80 mm for multi-product lines without machining new hard stops or changing out the entire actuator.
Machine Setup and Changeover
Quickly fine-tune the retract end-position during machine format changes, using the rear screw to adapt the stroke to new package sizes on the fly.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX80-75 the Right Cylinder?
If your required travel window is strictly fixed and known, a standard SAI cylinder is simpler, but the SAIJ100X80-75 is unmatched for product changeovers where the end-stop frequently shifts between 5 and 80 mm. If you need even more force, stepping up to the 125 mm bore yields 6136 N, while dropping to the 80 mm bore reduces push force to 2513 N.
When replacing an ISO 15552 cylinder, match the 100 mm bore, 80 mm nominal stroke, 75 mm adjustment range, PT port thread, and the specific mounting set. Because the stroke is under 300 mm, side-load concerns are minimal, but an external guide is still recommended for heavy lateral loads. Note that this plain SAIJ model lacks a magnet; adding an -S magnet enables CMSE reed and DMSE electronic sensors for position feedback.
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 SAIJ100AX80-75 FAQ
At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the effective stroke from the nominal 80 mm down to as little as 5 mm. It sets the travel end and relies on air pressure to maintain position; it does not function as a lock or brake.
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