Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 375mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke375 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-75S
The AirTAC SAIJ32X375-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 375 mm stroke that can be fine-tuned down by up to 75 mm, creating a precise 300-375 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it integrates a SUS304 stainless steel rod for superior corrosion resistance and operates at 30-800 mm/s.
This model includes a magnetic piston for position sensing, supporting AirTAC CMSE reed and DMSE electronic solid-state switches housed within the dual-side sensor grooves on the extruded aluminum barrel. The rear adjuster acts purely as a mechanical stop to dial in end positions during setup, meaning it cannot hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 375 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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, 27 mm |
| Max stroke | Up to 1000 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | 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 Adjustable Cylinder SAIJ32 SAIJ32BX375-75S Is Used
Product Changeovers
Dial in the 75 mm adjustment window to accommodate varying package sizes on a packaging line without changing out the physical cylinder hardware.
End-Stop Calibration
Fine-tune the exact retract position during machine commissioning to prevent crashes, using the rear screw rather than adding external stopper blocks.
Variable Diverter Stroke
Adjust the actuation length on the fly for a conveyor sorting arm that must push different product lengths down distinct lanes.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX375-75S the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force at 0.5 MPa with on-the-fly end-position tuning; step up to the 40 mm bore if your application requires 628 N. The 75 mm adjustment window is perfect for product-size changeovers, eliminating the need to physically swap cylinders or bolt on external stopper blocks. To replace this cylinder, match the 32 mm bore, 375 mm stroke, PT tapered port threads, and the -S magnet option.
Because this cylinder features a 375 mm stroke, the 12 mm rod and M10x1.25 thread should be paired with an external guide to prevent excessive side-loading and premature seal wear. For applications requiring true load-holding without continuous air pressure, pair this cylinder with an external rod lock or explore the AirTAC SAIL or BSAI locking cylinder series.
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 Adjustable Cylinder SAIJ32 SAIJ32BX375-75S FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the 375 mm nominal stroke down to a minimum of 300 mm. It sets the end position but does not lock or hold the load without live air pressure.
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