Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-50S
The AirTAC SAIJ100 Adjustable Cylinder SAIJ100BX375-50S 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 SAIJ100BX375-50S
The AirTAC SAIJ100X375-50-S is a double-acting, double-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. This specific SKU includes a SUS304 stainless steel rod for superior corrosion resistance and a magnet for position sensing.
Because the nominal 375mm stroke is relatively long, the 25mm rod diameter and M20x1.5 rod thread provide essential rigidity, though an external guide is still recommended to handle side loads. The extruded aluminum barrel incorporates sensor grooves on both sides, supporting AirTAC CMSE reed and DMSE electronic switches. You can fine-tune the end position without swapping hardware or adding external stops, while the PT tapered port threads ensure a tight pneumatic seal.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-50S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-50S |
|---|---|
| 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 SAIJ100BX375-50S
| 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 SAIJ100BX375-50S Is Used
Product Changeover
Dial in the 325-375mm travel window on the fly to accommodate varying package sizes on a packaging line without changing out the cylinder.
End-Position Tuning
Fine-tune the retract stroke during initial machine commissioning to achieve exact positioning, avoiding the need for external mechanical stops.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-50S the Right Cylinder?
Choose this adjustable-stroke model when your machine setup requires precise end-position tuning or frequent product changeovers, eliminating the need to physically swap out a fixed-stroke SAI cylinder. Conversely, moving up to a 125mm bore provides 6136N.
When matching this for an ISO 15552 replacement, verify the 100mm bore, 375mm stroke, 50mm adjustment range, PT port threads, and the -S magnet. Keep in mind the rear adjuster acts only as a travel stop and does not hold the load without live air; for dead-air load holding, consider an AirTAC SAIL or BSAI cylinder. Given the 375mm stroke, ensure adequate external guiding 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 SAIJ100BX375-50S FAQ
The maximum push force reaches 7068N at 0.9 MPa.
The rear adjuster screw allows you to shorten the effective stroke by up to 50mm, creating a 325-375mm usable travel window. The adjuster acts as a mechanical stop to fine-tune the end position and does not lock the load without continuous 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.
Fast Reply
Most inquiries answered within 7-8 hours.
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