Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-100S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 300mm 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
- Stroke300 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-100S
The AirTAC SAIJ100X300-100-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 3927N of push force at 0.5MPa and features a 100mm adjustment range, creating a usable travel window of 200-300mm from the 300mm nominal stroke. This built-in rear stopper allows precise end-position tuning at commissioning without swapping the cylinder or adding external stops.
This configuration includes a SUS304 stainless steel rod for superior corrosion resistance and a PT tapered port thread. The extruded aluminum barrel incorporates sensor grooves on both sides for CMSE reed or DMSE solid-state switches. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure; for fail-safe load holding, consider the SAIL or BSAI series.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-100S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 300 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 SAIJ100BX300-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×300 | 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 SAIJ100BX300-100S Is Used
Variable End-Stop Machining
Dial in the exact 200-300mm travel window during machine setup to accommodate different part lengths without replacing the cylinder.
Product Changeover Diverter
Quickly adjust the retract stop position on the fly to handle varying package sizes moving down a packaging line.
Assembly Press Tuning
Fine-tune the end-of-stroke pressing position during commissioning to ensure precise component seating without external stoppers.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-100S the Right Cylinder?
Choose this 100mm bore cylinder when an application requires high thrust (3927N at 0.5MPa) alongside variable end-stops for product changeovers. If you need less force, the 80mm bore offers 2513N; if you need more, the 125mm bore provides 6136N. The 100mm adjustment range is ideal for machines processing varying product sizes, whereas a fixed SAI cylinder is better for dedicated single-cycle tasks. Because the 300mm stroke is relatively long, always use an external guide to prevent excessive side-loading on the SUS304 rod.
To match this ISO 15552 interchangeable cylinder for a replacement, verify the 100mm bore, 300mm stroke, 100mm adjustment, PT G1/2 port, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets.
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 SAIJ100BX300-100S FAQ
The rear adjuster acts as an external stopper that lets you shorten the effective stroke by up to 100mm. This creates a usable travel window of 200-300mm, allowing you to fine-tune the end position without changing the cylinder.
At 0.5MPa operating pressure, it provides 3927N of push force and 3681N of pull force. At the maximum 1.0MPa pressure, the push force reaches 801 kgf.
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