Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-20 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 SAIJ32AX375-20
The AirTAC SAIJ32X375-20 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 375 mm nominal stroke that can be fine-tuned down by up to 20 mm, yielding a precise 355-375 mm usable travel window. Delivering 563 N of push force at 0.7 MPa, it fits compact automation setups requiring exact end-position calibration.
This variant features a SUS420J2 stainless steel rod for improved corrosion resistance and uses PT tapered port threads with a G1/8 connection. The extruded aluminum barrel includes sensor grooves on both sides, allowing direct mounting of CMSE reed or DMSE electronic switches if a magnet is specified later. It supports a 30-800 mm/s speed range and utilizes adjustable air cushions at both ends to decelerate the payload smoothly.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-20 |
|---|---|
| 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 SAIJ32AX375-20
| 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 SAIJ32AX375-20 Is Used
End-Stop Calibration
Dial in the exact 355-375 mm travel distance during machine commissioning to perfect the seating position of delicate components without swapping hardware.
Product Changeover
Quickly adjust the rear stopper screw by up to 20 mm to accommodate slightly different product lengths on a packaging line, minimizing downtime between batches.
Fixture Positioning
Securely set the retract end-position for clamping fixtures, relying on the SUS420J2 stainless steel rod to resist minor environmental moisture in the work cell.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-20 the Right Cylinder?
Choose this 32 mm bore when an application demands 563 N push force at 0.7 MPa but requires on-the-fly end-position tuning without adding external stops. If your setup needs less force, stepping down is an option, but stepping up to a 40 mm bore yields 879 N push at 0.7 MPa. The adjustable rear screw is strictly a travel stop, not a locking device; it cannot hold a load without live air pressure, so a SAIL or BSAI cylinder is required for pneumatic locking.
For an exact ISO 15552 replacement match, verify the 32 mm bore, 375 mm stroke, 20 mm adjustment range, PT G1/8 port, and mounting style. Because the 375 mm stroke is relatively long for this bore size, the 12 mm diameter rod is susceptible to side-loading; always use an external guide rail to prevent binding and premature seal wear. Available mountings include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32AX375-20 FAQ
At 0.7 MPa operating pressure, this 32 mm bore cylinder provides 563 N of push force and 484 N of pull force. At the maximum 1.0 MPa pressure, it achieves 82 kgf.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the 375 mm nominal stroke by up to 20 mm, creating a 355-375 mm travel window. It only sets the end position and does not lock the load without continuous air pressure.
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