Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-100 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 SAIJ32AX375-100
The AirTAC SAIJ32X375-100 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. By incorporating a 100 mm adjustment range, this model allows you to dial back the 375 mm nominal stroke, creating a highly flexible 275 to 375 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it is built around a SUS420J2 stainless steel rod for superior corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides for straightforward position detection.
Equipped with PT tapered G1/8 ports and a 12 mm rod with an M10x1.25 thread, this cylinder achieves standard speeds between 30 and 800 mm/s. The rear stopper mechanism enables precise end-position tuning during commissioning without adding bulky external stops. It is important to note that this adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-100 |
|---|---|
| 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 SAIJ32AX375-100
| 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 SAIJ32AX375-100 Is Used
Variable End-Stop Tuning
Dial in the exact 275 to 375 mm travel distance during machine setup to accommodate varying product lengths without swapping out the entire actuator.
Machine Changeover
Rapidly adjust the rear stopper on the production line to fine-tune end positions when switching between different product sizes or tooling configurations.
Corrosive Assembly Lines
Leverage the SUS420J2 stainless steel rod and 402 N force in light-duty manufacturing environments where moisture or minor corrosive elements are present.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX375-100 the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires variable end-stops for rapid machine changeover or product-size adjustments, rather than a fixed-stroke SAI model. If your process demands greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. Because the 375 mm stroke creates a long unsupported rod extension, an external guide rail is strongly recommended to prevent excessive side-loading and premature wear.
For load-holding applications without continuous air pressure, this cylinder's adjuster and air cushions will not act as a brake. In those scenarios, you should specify an AirTAC SAIL (pneumatic lock) or BSAI (clamp-lock) cylinder instead. To replace an existing ISO 15552 unit, match the 32 mm bore, 375 mm nominal stroke, 100 mm adjustment code, PT G1/8 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, 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 SAIJ32AX375-100 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 operates at a standard speed range of 30 to 800 mm/s, driven by its G1/8 PT port and 12 mm diameter rod.
The rear adjuster acts as a mechanical stop that lets you shorten the 375 mm nominal stroke by up to 100 mm, providing a usable travel window of 275 to 375 mm. It functions as a travel stop for end-position tuning and does not lock or hold the load without live air pressure.
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