Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-75
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX375-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 375mm 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
- Stroke375 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 SAIJ100BX375-75
Its defining feature is the 75mm adjustment range, which creates a usable travel window between 300mm and 375mm. This allows operators to dial in the exact retract end-position during commissioning or product changeovers without swapping out the entire actuator.
This model features a SUS304 stainless steel rod for superior corrosion resistance and utilizes PT tapered port threads with a G1/2 connection. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Because the stroke extends to 375mm, the 25mm rod diameter should be paired with an external guide mechanism to prevent excessive side-loading and ensure long seal life.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-75 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 375 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 SAIJ100BX375-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×375 | 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 SAIJ100BX375-75 Is Used
Product Size Changeovers
Quickly adapt a packaging line to different carton lengths by dialing the rear adjuster across the 300-375mm window, eliminating the need to physically swap cylinders.
Precision End-Position Tuning
Fine-tune the retract stroke during machine commissioning to achieve exact material feeding positions without adding external mechanical stops.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-75 the Right Cylinder?
The adjustable 300-375mm travel window is perfect for lines running mixed product sizes, allowing rapid changeovers via the rear stopper screw instead of machining custom spacers. For fixed-length requirements without the need for end-position tuning, a standard SAI cylinder is a simpler alternative.
When integrating this cylinder, remember the rear adjuster acts strictly as a mechanical travel stop, not a locking device. It cannot hold a load without continuous live air pressure. If your setup requires true load-holding capability in the event of air loss, consider an AirTAC SAIL pneumatic lock cylinder, a BSAI clamp-lock model, or an external pilot-operated check valve. This SAIJ unit supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts, omitting FB, CA, CB, and CR options.
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 SAIJ100BX375-75 FAQ
If pressure is increased to 0.7 MPa, the push force rises to 5497N.
The rear adjuster screw acts as a mechanical stop that lets you shorten the nominal 375mm stroke by up to 75mm, providing an effective travel range of 300-375mm. Note that this adjuster is a stop, not a lock, and cannot hold the load without live air pressure.
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1-Year Warranty
Covers non-human-caused product damage.
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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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