Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-75S 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 SAIJ32AX375-75S
The AirTAC SAIJ32X375-75-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 300 to 375 mm, allowing you to dial back the nominal 375 mm stroke by up to 75 mm during machine commissioning. Delivering 402 N of push force at 0.5 MPa, it handles lighter loads with precision.
This variant includes an SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and a built-in magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel incorporates sensor grooves on both sides, and the unit uses PT tapered port threads.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-75S |
|---|---|
| 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 SAIJ32AX375-75S
| 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 SAIJ32AX375-75S Is Used
End-Position Tuning
Fine-tune the retract stroke within the 300-375 mm window during setup to absorb mechanical tolerances without adding external stopper blocks.
Product Changeover
Quickly adjust the end-of-stroke position on packaging lines when switching between different product sizes or formats.
Light-Load Assembly
Apply up to 402 N of push force at 0.5 MPa for delicate pressing or positioning tasks where a 32 mm bore is optimal.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-75S the Right Cylinder?
Choose this adjustable model over a fixed-stroke SAI when your application requires variable end-stop positioning or frequent product changeovers without swapping the physical cylinder. If you need slightly less push force, stepping down is not an option below 32 mm, but stepping up to a 40 mm bore yields 628 N at 0.5 MPa. For matching an ISO 15552 replacement, verify the 32 mm bore, 375 mm stroke, 75 mm adjustment, PT G1/8 port, and the -S magnet requirement.
Because the total stroke is 375 mm, the 12 mm rod is susceptible to side-loading deflection; an external guide rail is recommended to prevent premature seal wear. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure—for load-holding without continuous air, consider the SAIL or BSAI 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 SAIJ32AX375-75S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum thrust is 82 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the effective travel from the nominal 375 mm down to 300 mm. This mechanical stop sets the end position but does not lock or hold the load without live air pressure.
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