Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 500mm 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
- Stroke500 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-75S
The AirTAC SAIJ32X500-75-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 425 to 500 mm, allowing you to dial back the nominal 500 mm stroke by up to 75 mm during commissioning. In the 32 mm bore class, it delivers 402 N of push force at 0.5 MPa and 724 N at 0.9 MPa. The extruded aluminum barrel includes sensor grooves on both sides, and this -S variant includes a magnet for CMSE reed and DMSE electronic sensors.
This unit uses a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and features PT tapered port threads. The rear adjuster acts strictly as a travel stop to fine-tune the end position without adding external stops; it is not a lock and will not hold a load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 500 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 SAIJ32AX500-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×500 | 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 SAIJ32AX500-75S Is Used
Machine Changeover
Dial in the exact 425 to 500 mm end-stop during product size changes without swapping the cylinder or adding external mechanical stops.
Assembly Calibration
Fine-tune the retract position on automated assembly lines to compensate for mechanical wear or sensor drift over time.
Diversion Timing
Adjust the stroke length on packaging conveyors to perfectly time the pusher retraction for varying package depths.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-75S the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when you need precise end-position tuning across a 425 to 500 mm travel window. If your application requires higher thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. Conversely, if a shorter fixed stroke is acceptable, the standard SAI series avoids the need for adjuster setup.
Because the 500 mm stroke is relatively long for the 32 mm bore, the 12 mm rod and M10x1.25 thread still require external guidance to prevent side-load damage on unsupported loads. This cylinder uses the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR brackets. It is dimensionally interchangeable per ISO 15552. Configuration: 32 mm bore, 500 mm stroke, 75 mm adjustment, PT port, SUS420J2 rod, magnet included.
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 SAIJ32AX500-75S FAQ
At 0.5 MPa, 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 acts as a mechanical stop, allowing you to shorten the effective stroke from 500 mm down to as little as 425 mm. It only sets the travel end and does not lock or hold the load without continuous air pressure.
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