Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-20 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 SAIJ32AX500-20
The AirTAC SAIJ32X500-20 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 500 mm nominal stroke that can be fine-tuned down by up to 20 mm, creating a precise 480-500 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it suits lighter-duty positioning tasks.
This unit features a SUS420J2 stainless steel rod for improved corrosion resistance and uses PT tapered port threads with a G1/8 connection. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Note that the rear adjuster functions strictly as a travel stop for end-position tuning, not as a load-holding lock.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-20 |
|---|---|
| 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 SAIJ32AX500-20
| 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 SAIJ32AX500-20 Is Used
Product Changeover
Dial in the 480-500 mm travel window during format changes on packaging lines without replacing the cylinder.
End-Stop Tuning
Fine-tune the retract position precisely at commissioning to avoid mechanical hard stops.
Light Transfer Gates
Actuate lightweight routing flaps or stops using 402 N of push force at 0.5 MPa.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-20 the Right Cylinder?
Choose this 32 mm bore when an application requires a 402 N push force at 0.5 MPa combined with on-the-fly stroke trimming. The 20 mm adjustment window is ideal for product changeovers or dialing in exact end positions without swapping cylinders or adding external stops. If your setup needs greater thrust, stepping up to the 40 mm bore yields 628 N. Conversely, if you require load holding without live air pressure, a plain SAIJ will not suffice; consider an AirTAC SAIL or BSAI locking cylinder instead.
Because this model features a 500 mm stroke, the 12 mm diameter piston rod is highly susceptible to side-loading. An external guide rail should be installed to prevent rod binding and premature seal wear. For ISO 15552 mounting interface replacements, match the 32 mm bore, 500 mm stroke, PT port, and mounting style. Available mounts include 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 SAIJ32AX500-20 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 0.7 MPa, the push force increases to 563 N.
The rear adjuster acts as a stopper that lets you shorten the effective stroke by up to 20 mm. This provides a usable travel window of 480-500 mm, allowing precise end-position tuning without changing the cylinder.
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