Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-40 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 SAIJ32AX500-40
The AirTAC SAIJ32X500-40 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a 500 mm nominal stroke that can be fine-tuned down by up to 40 mm, creating a precise 460-500 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it is built with an SUS420J2 stainless steel rod for improved corrosion resistance.
This adjustable-stroke design allows you to dial in the retract end-position during commissioning without swapping the cylinder or adding external stops. The extruded aluminum barrel includes sensor grooves on both sides, and fluid supply is routed through PT G1/8 tapered ports. It supports variable air cushions at both ends to decelerate the load smoothly.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-40 |
|---|---|
| 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 SAIJ32AX500-40
| 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 SAIJ32AX500-40 Is Used
Product Changeovers
Quickly dial in the 460-500 mm retract distance when switching between product sizes on a packaging line, avoiding the need to physically swap out cylinders.
End-Stop Calibration
Fine-tune the final end-position during machine commissioning to achieve exact mechanical alignment without adding external shims or stopper blocks.
Long-Stroke Assembly
Utilize the 500 mm travel for extended reach operations while retaining the ability to trim the stroke back by up to 40 mm for precise pressing or placement tasks.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-40 the Right Cylinder?
Choose this 32 mm bore when your application requires up to 402 N of thrust at 0.5 MPa and a highly adjustable end-stop. If your setup demands greater force, stepping up to the 40 mm bore yields 628 N of push force at the same pressure. The rear adjuster on this SAIJ model acts strictly as a mechanical stop for position tuning; it does not lock or hold the load without continuous live air. For pneumatic load-holding requirements, consider an AirTAC SAIL or BSAI cylinder instead.
Because this configuration features a 500 mm stroke, the 12 mm diameter piston rod and M10x1.25 rod thread will be subjected to higher side-loading leverage if the load is unsupported. An external guide rail is strongly recommended to prevent rod binding. This cylinder is dimensionally interchangeable per ISO 15552 and uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and 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 SAIJ32AX500-40 FAQ
At a standard operating pressure of 0.5 MPa, this 32 mm bore cylinder generates 402 N of push force and 345 N of pull force. If the pressure is increased to 0.7 MPa, the push force rises to 563 N.
The rear adjuster screw allows you to mechanically shorten the effective stroke by up to 40 mm from the 500 mm nominal length, providing a usable travel window of 460-500 mm. The adjuster functions as a travel stop and works alongside the air cushions to set the end position, but it does not lock the load without live air pressure.
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