Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30S 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 SAIJ100BX300-30S
The AirTAC SAIJ100X300-30-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 270-300 mm usable travel window, allowing you to dial back the 300 mm nominal stroke by up to 30 mm during commissioning. Equipped with a SUS304 stainless steel rod and a magnetic piston for position sensing, it generates 5497 N of push force at 0.7 MPa.
This model features PT tapered G1/2 ports and an M20x1.5 rod thread. The extruded aluminum barrel includes sensor grooves on both sides, compatible with AirTAC CMSE reed and DMSE electronic switches. The rear adjuster acts purely as a mechanical stop to fine-tune the end position without needing external stops or cylinder swaps.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30S |
|---|---|
| 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 SAIJ100BX300-30S
| 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 SAIJ100BX300-30S Is Used
Variable End-Stop Tuning
Dial in the exact 270 to 300 mm travel distance during machine setup to accommodate varying product lengths without adding external physical stops.
Product Changeover Systems
Quickly adjust the retract position on packaging lines when switching between different package sizes, saving changeover time.
Heavy-Duty Positioning
Leverage the 5497 N push force at 0.7 MPa to move heavy pallets or fixtures, fine-tuning the final contact position on the fly.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-30S the Right Cylinder?
Choose this adjustable-stroke cylinder when machine formats change frequently and you need to trim the end-of-travel position by up to 30 mm without swapping out physical components. For lighter duties requiring less force, stepping down to an 80 mm bore yields 3518 N at 0.7 MPa. For higher force demands, the 125 mm bore provides 8590 N at 0.7 MPa. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. Because the nominal stroke is 300 mm, the M20x1.5 rod needs an external guide to prevent excessive side-loading. The rear stopper is not a lock; for load-holding without live air, select the SAIL or BSAI series.
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 SAIJ100BX300-30S FAQ
At 0.7 MPa operating pressure, this 100 mm bore cylinder provides 5497 N of push force and 3681 N of pull force. The maximum theoretical force is 801 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the 300 mm nominal stroke by up to 30 mm, creating a 270-300 mm usable travel window. The adjuster functions as a mechanical stop for end-position tuning and does not hold the load without live air pressure.
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Standard models usually ship in 3-4 days.
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