Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-50S 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 SAIJ32BX350-50S
The AirTAC SAIJ32X350-50-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 300-350 mm from its 350 mm nominal stroke. Delivering 402 N of push force and 345 N of pull force at 0.5 MPa, it suits lighter-duty positioning tasks. The barrel features sensor grooves on both sides, and because this SKU includes a magnet (-S), it works seamlessly with AirTAC CMSE reed and DMSE electronic solid-state switches for precise end-of-stroke detection.
This model uses a SUS304 stainless steel rod (option B) for enhanced corrosion resistance. The rear adjuster acts purely as a mechanical stop to fine-tune the retract position during commissioning; it does not lock or hold the load without live air pressure. Pneumatic cushioning at both ends manages deceleration across the 30-800 mm/s speed range.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-50S |
|---|---|
| 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 SAIJ32BX350-50S
| 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 SAIJ32BX350-50S Is Used
Machine Changeover
Dial in the exact end position from 300 to 350 mm during product size transitions without replacing the cylinder or adding external stops.
End-Stop Tuning
Fine-tune the retract position during initial commissioning to compensate for mechanical tolerances in a 32 mm bore assembly.
Light Diverter Positioning
Adjust the stroke window on a lightweight conveyor diverter arm to handle varying package sizes on the fly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX350-50S the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N push force at 0.5 MPa, stepping down from a 40 mm bore (628 N) to save space, or up if higher thrust is needed. The 50 mm adjustment range is ideal for machine setups requiring variable end-stops or product-size changeovers without swapping cylinders, unlike a fixed-stroke SAI. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, CR). For a drop-in ISO 15552 replacement, match the 32 mm bore, 350 mm stroke, PT tapered port threads, and -S magnet. Because the stroke is 350 mm, an external guide is recommended to prevent excessive side-loading on the 12 mm rod and M10x1.25 thread.
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 SAIJ32BX350-50S FAQ
The rear adjusting screw allows you to shorten the effective stroke by up to 50 mm, creating a usable travel window of 300-350 mm. The adjuster functions as a mechanical stop and does not lock the load without continuous air pressure.
Because this model includes a magnet (-S), it is fully compatible with AirTAC CMSE reed switches and DMSE electronic solid-state sensors, which mount directly into the standard sensor grooves on both sides of the extruded aluminum barrel.
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