Airtac SAIJ100 Adjustable Cylinder SAIJ100BX950-40
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX950-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 950mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it interchangeable with other ISO 15552 cylinders at the mounting interface.
- BoreØ100 mm
- Stroke950 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX950-40
It features a SUS304 stainless steel rod and PT tapered ports. By turning the rear stopper screw, you can trim the effective travel back by up to 40 mm, creating a highly precise 910 to 950 mm usable window. This allows operators to dial in the exact end position during commissioning without swapping out the entire actuator.
Because the 950 mm stroke is substantial, the 25 mm rod diameter and M20x1.5 rod thread provide necessary rigidity, though an external guide is still recommended to manage side loads on long extensions. The extruded aluminum barrel includes sensor grooves on both sides, and the mounting hardware is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2 options. The rear screw acts strictly as a travel stop and does not lock the load without continuous air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX950-40 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX950-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 950 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 | 3682 N | 3682 N |
| 0.7 MPa | 5154 N | — |
| Max (@1.0 MPa) | 751 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100BX950-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×950 | 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 SAIJ100BX950-40 Is Used
Product Changeover
Dial in the 910-950 mm travel window during format changeovers to accommodate different product lengths without changing the cylinder.
End-Position Tuning
Fine-tune the retract end-stop during machine commissioning to achieve exact positioning without adding external stopper blocks.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX950-40 the Right Cylinder?
Choose this 100 mm bore actuator when an application requires heavy thrust that a smaller 80 mm bore cannot provide, stepping up from 4523N to 7068N at 0.9 MPa. The adjustable-stroke design is ideal for production lines running mixed product sizes, as the 40 mm trim window accommodates changeovers without fabricating external mechanical stops. For fixed-length applications where no end-tuning is needed, a standard SAI cylinder is a simpler alternative.
When specifying a replacement, ensure you match the 100 mm bore, 950 mm stroke, 40 mm adjustment range, PT port threads, and the SUS304 rod material. Remember that neither the rear adjuster nor the air cushions will hold a load statically without live air; for true load-holding, consider an SAIL locking cylinder or an external pilot-operated check valve. Furthermore, with a 950 mm extension, always support the load with an external guide to prevent excessive side-loading on the rod.
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 SAIJ100BX950-40 FAQ
The maximum thrust at 1.0 MPa is 801 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the nominal 950 mm stroke by up to 40 mm, resulting in a usable travel window of 910 to 950 mm. It only sets the end position and does not lock the load without air pressure.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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