Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 350mm 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
- Stroke350 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75S
The AirTAC SAIJ32X350-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear mechanical stroke adjuster. It provides a 350 mm nominal stroke that can be dialed back by up to 75 mm, yielding a highly flexible 275-350 mm usable travel window for precise end-position tuning at commissioning. Delivering 563 N of push force at 0.7 MPa, it integrates a SUS304 stainless steel piston rod and a PT tapered port thread for robust pneumatic connections.
This model includes a built-in magnet for position sensing, compatible with AirTAC CMSE reed and DMSE solid-state switches mounted in the dual-side sensor grooves. The rear adjustment screw functions strictly as a travel stop to set the retract end, not as a load-holding lock. For applications requiring position maintenance without live air pressure, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 350 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 SAIJ32BX350-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×350 | 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 SAIJ32BX350-75S Is Used
Variable End-Stop Tuning
Dial in the exact retract position within the 275-350 mm window during machine commissioning to accommodate varying product lengths without physical hardware changes.
Product Changeover
Quickly adjust the stroke stop on the production line when switching between different sized components, utilizing the 75 mm trim range to maintain precise positioning.
Stainless Rod Actuation
Leverage the SUS304 stainless steel rod for light-duty testing or assembly tasks in environments where corrosion resistance and precise variable travel are required.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-75S the Right Cylinder?
Choose this 32 mm bore when you need 402 N of push force at 0.5 MPa and require significant on-the-fly stroke variability without swapping cylinders or adding external stops. If your process demands higher thrust, stepping up to the 40 mm bore yields 879 N at 0.7 MPa. Because the 350 mm stroke creates an extended unsupported rod length, an external guide is recommended to prevent side-load wear and premature seal failure.
To match this ISO 15552 replacement, specify a 32 mm bore, 350 mm stroke, 75 mm adjustment range, PT port thread, SUS304 (B) rod material, and the -S magnet option. It supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ32BX350-75S FAQ
At an operating pressure of 0.5 MPa, it provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 350 mm nominal stroke by up to 75 mm. This creates a 275-350 mm usable travel window for fine-tuning the end position without replacing the cylinder.
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