Airtac SAIJ100 Adjustable Cylinder SAIJ100AX115-75S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100AX115-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 115mm 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
- Stroke115 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX115-75S
The AirTAC SAIJ100X115-75-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 115 mm stroke that can be dialed back by up to 75 mm, creating a highly versatile 40-115 mm usable travel window for precise end-position tuning during commissioning. Delivering 3927 N of push force at 0.5 MPa, it handles demanding operations while utilizing a PT tapered G1/2 port.
This variant includes a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and is equipped with a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel features dual sensor grooves, and the mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100AX115-75S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100AX115-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 115 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 SAIJ100AX115-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×115 | 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 SAIJ100AX115-75S Is Used
Machine Setup Changeover
Dial in the exact 40 to 115 mm stroke required when switching a production line between different product sizes without physically replacing the cylinder.
End-Position Tuning
Fine-tune the retract stroke during commissioning to compensate for mechanical tolerances, avoiding the need to add external shims or stopper blocks.
Heavy-Duty Positioning
Leverage the 3927 N push force at 0.5 MPa to move heavy pallets or fixtures through a variable travel window tailored to the specific assembly station.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100AX115-75S the Right Cylinder?
Choose this 100 mm bore cylinder when your application requires substantial thrust—such as 3927 N push at 0.5 MPa—combined with extensive on-machine travel flexibility. If your force needs are lower, stepping down to an 80 mm bore yields 2513 N push at 0.5 MPa, whereas moving up to a 125 mm bore provides 6136 N. The 75 mm adjustment range is particularly useful for prototyping or product changeovers, allowing you to shorten the stroke dynamically without swapping the cylinder or adding external stops.
When specifying a replacement, match the 100 mm bore, 115 mm nominal stroke, 75 mm adjustment, PT G1/2 port, and the -S magnet requirement. Because the total travel can reach 115 mm, ensure proper external guiding if side loads are anticipated. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air pressure, so consider a SAIL or BSAI cylinder if load-holding is required.
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 SAIJ100AX115-75S FAQ
At 0.5 MPa operating pressure, this 100 mm bore cylinder generates 3927 N of push force and 3681 N of pull force. At the maximum operating pressure of 0.9 MPa, the push force increases to 7068 N.
The rear adjuster screw acts as a mechanical stop that shortens the effective stroke from its 115 mm nominal length. With the 75 mm adjustment code, you can set the usable travel anywhere within a 40 to 115 mm window without altering the cylinder mounting.
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