Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-10S 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 SAIJ100BX300-10S
The AirTAC SAIJ100X300-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 3927N push force at 0.5 MPa and features a 10mm adjustment range, creating a precise 290-300mm usable travel window for fine-tuning end positions during commissioning. The SUS304 stainless steel rod is paired with PT tapered ports and a built-in magnet for CMSE or DMSE sensors.
This adjustable model retains the standard extruded aluminum barrel and ISO 15552 mounting interface but omits the FB, CA, CB, and CR mounting formats, utilizing a reduced set of Basic, FA, LB, TC, FTC, TCM1, and TCM2. The rear adjuster acts purely as a travel stop to decelerate the load, meaning it will not hold the load in place without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-10S |
|---|---|
| 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 SAIJ100BX300-10S
| 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 SAIJ100BX300-10S Is Used
Machine Changeovers
Dial in the 290-300mm travel window during product size transitions without swapping out the entire cylinder or fabricating new external stops.
Diversion Arm Tuning
Fine-tune the retract end position of a sorting diverter to perfectly align with varying package widths on a high-speed conveyor system.
Press Fit Positioning
Set precise lower dead center for light assembly presses, using the rear stop to adjust the final 10mm of travel for delicate component seating.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX300-10S the Right Cylinder?
Selecting this 100mm bore over the smaller 80mm variant increases your thrust from 2513N to 3927N at 0.5 MPa, while stepping up to the 125mm bore yields 6136N. The 10mm adjustable stroke is ideal for product-size changeovers on a packaging line, allowing you to dial in the end stop without adding external physical blocks. Because the nominal stroke is 300mm, the 25mm rod diameter and M20x1.5 thread provide substantial side-load resistance, but an external guide is still recommended for unsupported loads.
To match this ISO 15552 replacement exactly, verify the 100mm bore, 300mm stroke, 10mm adjustment, PT port thread, and the -S magnet requirement. For load-holding applications without continuous air pressure, consider the SAIL or BSAI series instead, as this rear adjuster is not a locking brake.
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 SAIJ100BX300-10S FAQ
At a 0.5 MPa operating pressure, this 100mm bore cylinder provides a push force of 3927N and a pull force of 3681N. At 0.9 MPa, the push force increases to 7068N.
The rear adjuster screw allows you to shorten the effective travel by up to 10mm, creating a 290-300mm usable stroke window. It functions as an end-position stop for setup tuning, not a lock, and cannot hold the load without live air pressure.
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