Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-10
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-10 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 a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke375 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-10
The AirTAC SAIJ100X375-10 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 365 to 375 mm usable travel window, allowing you to dial back the end position by up to 10 mm during commissioning without adding external stops. The 100 mm bore yields 3927 N of push force at 0.5 MPa, making it well-suited for heavy pressing and clamping tasks.
This variant features a SUS304 stainless steel rod for corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes dual-side sensor grooves. Because the 375 mm stroke is relatively long, rely on an external guide to manage side loads rather than the M20x1.5 rod thread alone. The rear adjuster acts purely as a travel stop, so it will not hold a load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-10 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-10 |
|---|---|
| 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 | 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 SAIJ100BX375-10
| 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 SAIJ100BX375-10 Is Used
Press Fit Tuning
Dial in the exact 365 to 375 mm travel window during setup to accommodate varying part heights in pressing operations without swapping hardware.
Product Changeover Stops
Quickly adjust the rear stopper by up to 10 mm to handle different package sizes on a packaging line during rapid format changes.
Heavy Duty Positioning
Leverage the 3927 N push force at 0.5 MPa to move heavy pallets or fixtures, using the adjuster to set the precise retract distance.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX375-10 the Right Cylinder?
Choose this 100 mm bore when a 80 mm cylinder (2513 N at 0.5 MPa) lacks push force, or step down if you need less than 3927 N. An adjustable stroke is selected over a fixed SAI when a machine requires fine end-position tuning for product changeovers. For load-holding without continuous air, use a SAIL or BSAI cylinder instead, as the SAIJ rear stopper is not a lock.
To match this ISO 15552 cylinder, specify a 100 mm bore, 375 mm stroke, 10 mm adjustment, PT G1/2 ports, and your required mounting bracket from the SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2. Note that FB, CA, CB, and CR mounts are omitted from this series. No magnet is specified for this unit, so CMSE or DMSE sensors cannot be used without modification.
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 SAIJ100BX375-10 FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
The rear adjusting screw acts as a mechanical stop that lets you shorten the 375 mm nominal stroke by up to 10 mm, creating a 365 to 375 mm travel window. It only decelerates and sets the end position; it does not lock the load without live air.
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