Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-75S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 75mm 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
- Stroke75 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-75S
The AirTAC SAIJ100X75-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel anywhere within a 0-75 mm window. Delivering 3927 N of push force at 0.5 MPa, it provides substantial power for heavy actuators. The integrated magnet enables position sensing with CMSE reed and DMSE electronic switches.
This unit uses a SUS304 stainless steel rod for superior corrosion resistance and features a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting set covers Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-75S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 75 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 SAIJ100BX75-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×75 | 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 SAIJ100BX75-75S Is Used
Variable End-Stop Positioning
Dial in the exact retraction point from 0 to 75 mm during commissioning to accommodate different material thicknesses without adding external stop blocks.
Machine Changeover Setup
Quickly adapt the stroke window on packaging lines when switching product sizes, leveraging the 3927 N push force for heavy pressing operations.
Corrosive Assembly Lines
Utilize the SUS304 stainless steel rod in washdown or chemical environments while relying on DMSE electronic sensors for precise end-of-travel detection.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-75S the Right Cylinder?
Choose this 100 mm bore when a 63 mm bore yields too little force (1559 N at 0.5 MPa) and you need robust thrust within a compact footprint. The 75 mm adjustment screw is selected over a fixed SAI cylinder when you require variable end-stops for rapid product changeover without swapping hardware.
For dimensionally interchangeable ISO 15552 replacements, match the 100 mm bore, 75 mm stroke, PT port, and -S magnet. Note that the rear adjuster acts only as a travel stop and does not hold the load without live air; use a SAIL or BSAI lock for position holding.
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 SAIJ100BX75-75S FAQ
The rear adjusting screw acts as a mechanical stopper that lets you shorten the nominal 75 mm stroke by up to 75 mm, providing a usable travel window of 0-75 mm. It fine-tunes the end position at commissioning but does not lock the load without live air pressure.
At a 0.5 MPa operating pressure, this 100 mm bore cylinder generates 3927 N of push force and 3681 N of pull force. It can deliver up to 7068 N of push force at 0.9 MPa.
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