Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40S 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 SAIJ32AX375-40S
The AirTAC SAIJ32X375-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, providing a usable travel window of 335 to 375 mm. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa, matching standard SAI output. This variant features an SUS420J2 stainless steel rod (option A) and an integrated magnet for position sensing.
The built-in magnet supports AirTAC CMSE reed switches and DMSE electronic solid-state sensors via the dual-side sensor grooves on the extruded aluminum barrel. Because the 375 mm stroke is relatively long for a 32 mm bore, an external guide is recommended to handle side loads. The rear adjuster acts purely as a travel stop for end-position tuning and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40S |
|---|---|
| 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 SAIJ32AX375-40S
| 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 SAIJ32AX375-40S Is Used
End-Position Tuning
Dial in the exact retract distance within the 335-375 mm window during machine setup to accommodate varying material thicknesses without swapping hardware.
Product Changeover
Quickly adjust the stroke stop on the rear screw when switching the production line to a new product size, minimizing downtime.
Assembly Pressing
Apply up to 402 N of precise pneumatic force for pressing small components, using the adjustable stop to prevent over-travel.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-40S the Right Cylinder?
Choose this adjustable model over a fixed-stroke SAI when you need to fine-tune the retract end-position during commissioning or product changeovers without adding external stops. If your application requires less force, stepping down is not an option from this bore, but stepping up to a 40 mm bore yields 628 N of push force at 0.5 MPa. For higher force needs, a 50 mm bore provides 982 N.
This SKU uses PT tapered port threads (G1/8) and the standard SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR. Because the 375 mm stroke exceeds 300 mm, supporting the load with an external guide rail is critical to prevent rod binding. For load-holding without live air pressure, select a SAIL or BSAI cylinder instead, as the rear adjuster here is a stop, not a lock.
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 SAIJ32AX375-40S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At 0.9 MPa, the push force increases to 724 N.
The rear adjuster screw allows you to shorten the effective travel by up to 40 mm, creating a usable stroke window of 335 to 375 mm. This stopper fine-tunes the end position but does not lock or hold the load without continuous air pressure.
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