Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 75mm 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
- Stroke75 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-75S
The AirTAC SAIJ32X75-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel anywhere within a 0 to 75 mm window. This extreme adjustability is ideal for machine setups requiring highly variable end-stops without swapping hardware. It features a SUS420J2 stainless steel rod and a built-in magnet for CMSE reed and DMSE electronic sensors.
In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The rear adjustment screw acts purely as a mechanical stop to set the retract position; it does not lock or hold the load without live air pressure. For position-holding needs, an external rod lock or AirTAC SAIL series is required.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 75 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 SAIJ32AX75-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×75 | 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 SAIJ32AX75-75S Is Used
Variable End-Stop Tuning
Dial in the exact retract position from 0 to 75 mm during machine commissioning to accommodate different product sizes without changing the cylinder.
Product Changeover Setup
Rapidly adjust the travel limit on packaging lines when switching between part configurations, using the rear stopper instead of adding external mechanical stops.
Light-Duty Positioning
Leverage the 402 N thrust and stainless SUS420J2 rod for precise, repeatable light assembly tasks where the end position frequently changes.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-75S the Right Cylinder?
Choose this 32 mm bore when your application needs 402 N of thrust at 0.5 MPa but demands maximum stroke flexibility within a 75 mm envelope. If your setup requires higher force, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. The PT tapered port is G1/8, and the mounting set is limited to Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR brackets.
Because the nominal stroke is under 300 mm, side-load stress on the 12 mm rod is manageable without an external guide, though long unsupported strokes still require one. To replace an ISO 15552 cylinder, match the 32 mm bore, 75 mm stroke, 75 mm adjustment, PT G1/8 port, and the -S magnet requirement.
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 SAIJ32AX75-75S FAQ
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective stroke by up to 75 mm. This creates a usable travel window of 0 to 75 mm. It only sets the end position and does not hold the load without live air pressure.
At 0.5 MPa operating pressure, the 32 mm bore provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
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