Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40 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 SAIJ32AX375-40
The AirTAC SAIJ32X375-40 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 335-375 mm usable travel window, allowing you to dial back the nominal 375 mm stroke by up to 40 mm during commissioning. Delivering 402 N of push force at 0.5 MPa, it packs precise end-position tuning into a compact 32 mm bore.
This variant uses a SUS420J2 stainless steel rod (code A) for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting. The rear adjuster acts purely as a mechanical stop to set the travel end and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40 |
|---|---|
| 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 SAIJ32AX375-40
| 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 SAIJ32AX375-40 Is Used
Machine Changeover
Dial in the exact 335-375 mm end-stop during product size changes without bolting on external physical stops.
Assembly Calibration
Fine-tune the rear adjuster at commissioning to perfect the seating force of a 402 N push operation.
Variable End Stops
Adjust the travel end on the fly for diverter arms that handle varying package sizes on a single line.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40 the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires 402 N push force at 0.5 MPa but demands on-the-fly end-position tuning without swapping hardware. If your setup needs more thrust, stepping up to the 40 mm bore yields 628 N at 0.5 MPa. The SAIJ32X375-40 is ideal for machine changeovers where a fixed-stroke SAI cylinder would require external stops.
Because the 375 mm stroke is relatively long for a 32 mm bore, the 12 mm rod and M10x1.25 thread should be paired with an external guide to manage side loads. For load-holding without continuous air pressure, skip the SAIJ and use an SAIL (air-released lock) or BSAI (clamp-lock) cylinder. This profile cylinder is dimensionally interchangeable per ISO 15552 and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ32AX375-40 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can deliver up to 724 N of push force at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from 375 mm down to 335 mm. It sets the end position but does not lock or hold the load without live air pressure.
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