Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-10 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 SAIJ100BX75-10
The AirTAC SAIJ100X75-10 is a double-acting ISO 15552 profile cylinder featuring a rear mechanical stroke adjuster. It provides a usable travel window of 65 to 75 mm, letting you dial back the nominal 75 mm stroke by up to 10 mm during commissioning. In the 100 mm bore class, it delivers a robust 3927 N of push force at 0.5 MPa and 7068 N at 0.9 MPa.
This unit is built with a SUS304 stainless steel rod for corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE or DMSE switches. It operates at speeds from 30 to 800 mm/s and carries a reduced mounting interface set: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-10 |
|---|---|
| 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 SAIJ100BX75-10
| 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 SAIJ100BX75-10 Is Used
Machine Changeover
Fine-tune the 65-75 mm travel window on packaging equipment to accommodate different product lengths without swapping out the entire cylinder.
End-Position Tuning
Dial in the exact retraction point during initial commissioning to perfect timing and avoid mechanical crashes.
Assembly Line Stops
Provide a reliable, adjustable physical stop for positioning components on a conveyor while benefiting from the 3927 N push force.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX75-10 the Right Cylinder?
Choose this 100 mm bore when an 80 mm bore (yielding 2513 N push at 0.5 MPa) cannot move your load, but you want to avoid stepping up to a 125 mm cylinder that runs at a slower 30-500 mm/s maximum speed. The integrated 10 mm rear adjuster is selected over a fixed-stroke SAI when a machine requires variable end-stops for rapid product changeovers without adding external physical stops.
When specifying your ISO 15552 replacement, verify the 75 mm stroke, 10 mm adjustment range, PT G1/2 port, and the SUS304 stainless steel rod material. Remember that the rear adjuster acts only as a travel stop; it does not hold the load without live air pressure. For secure load-holding without continuous air, consider the SAIL or BSAI cylinder 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 SAIJ100BX75-10 FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. If you increase the pressure to 0.9 MPa, the push force reaches 7068 N.
The rear adjusting screw acts as a mechanical stopper that lets you shorten the effective travel from the nominal 75 mm down to 65 mm. This creates a 10 mm tuning window for setting exact end-positions without changing the cylinder.
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