Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-20
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 230mm 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
- Stroke230 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-20
The AirTAC SAIJ100X230-20 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, delivering 3927N of push force at 0.5 MPa. It features a robust 25mm piston rod and a PT G1/2 port. By turning the rear screw, you achieve a usable travel window of 210 to 230mm, allowing precise end-position tuning without swapping hardware.
This unit utilizes an SUS304 stainless steel rod for superior corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides, though this specific SKU lacks a magnet. The rear adjuster acts purely as a travel stop for product changeovers, meaning it will not hold a load without continuous live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-20 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 230 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 SAIJ100BX230-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×230 | 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 SAIJ100BX230-20 Is Used
End-Position Fine-Tuning
Dial in the exact 210 to 230mm end-stop during machine commissioning to perfect product placement without changing the cylinder.
Product Size Changeover
Quickly adjust the rear stop by up to 20mm on a packaging line when switching to a different carton or material thickness.
Heavy-Duty Positioning
Leverage the 3927N push force at 0.5 MPa to move heavy pallets or fixtures, relying on the 25mm rod for structural stability.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX230-20 the Right Cylinder?
Choose this 100mm bore when an 80mm cylinder (providing 2513N push at 0.5 MPa) lacks the necessary thrust. The 20mm adjustment range is ideal for machines requiring variable end-stops during product size changeovers, avoiding the need to bolt on external stops or buy a fixed-stroke SAI cylinder. For a true ISO 15552 replacement match, confirm the 230mm stroke, 20mm adjust, PT G1/2 port, and Basic/FA/LB/TC/FTC/TCM1/TCM2 mounting.
Because the 230mm stroke is substantial, the unsupported load should be guided externally to prevent side-loading damage to the rod. Remember that the rear adjuster and air cushions only decelerate the travel end; they do not function as a lock. For load-holding without live pressure, consider an AirTAC SAIL or BSAI cylinder.
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 SAIJ100BX230-20 FAQ
At 0.5 MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At 0.7 MPa, the push force increases to 5497N.
The rear adjuster screw allows you to shorten the effective travel from the nominal 230mm down to 210mm. This stopper fine-tunes the retract end position but does not lock the load without live air.
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