Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-30
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 225mm 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
- Stroke225 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-30
The AirTAC SAIJ100X225-30 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 195-225 mm usable travel window. Delivering 3927 N of push force at 0.5 MPa, it handles heavy actuation with a 25 mm rod and M20x1.5 thread. The SUS304 stainless steel rod provides excellent corrosion resistance for harsh environments.
This adjustable-stroke model lets you fine-tune the retract end position at commissioning without adding external stops. It features sensor grooves on both sides for CMSE reed and DMSE electronic sensors. The mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting FB, CA, CB, and CR.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-30 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 225 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 SAIJ100BX225-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×225 | 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 SAIJ100BX225-30 Is Used
Product Changeover
Dial in the 195-225 mm travel window during line format changes to accommodate varying package lengths without swapping hardware.
End-Position Tuning
Fine-tune the retract stop during machine commissioning to perfect the seating pressure of heavy forming tools.
Heavy Material Handling
Leverage the 3927 N push force and SUS304 rod to push heavy pallets or metal blanks through wash-down stations.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX225-30 the Right Cylinder?
Choose this 100 mm bore when 80 mm (2513 N at 0.5 MPa) lacks thrust, or step down if 63 mm (1559 N) is sufficient. The 30 mm adjustment range is ideal for product changeovers requiring variable end stops. The PT tapered port ensures a tight seal. For strokes of 225 mm, ensure external guides support the load to prevent side-load damage.
The rear adjuster acts as a travel stop, not a lock; it cannot hold loads without live air. For load-holding without pressure, use a SAIL air-released lock, BSAI clamp-lock, or external rod lock. This cylinder is dimensionally interchangeable per ISO 15552.
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 SAIJ100BX225-30 FAQ
The rear adjuster screw lets you trim the 225 mm nominal stroke back by up to 30 mm, providing a usable travel window of 195-225 mm. It acts as a physical stop to fine-tune the end position without changing the cylinder.
At 0.5 MPa operating pressure, it provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
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Standard models usually ship in 3-4 days.
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