Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-50 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 SAIJ32AX500-50
The AirTAC SAIJ32X500-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 450 to 500 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it utilizes a PT tapered port and an SUS420J2 stainless steel rod for improved corrosion resistance. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement.
Because the nominal 500 mm stroke is relatively long for a 32 mm bore, the 12 mm rod and M10x1.25 thread require careful alignment to manage side loads. The rear screw acts as a travel stop for fine-tuning end positions during commissioning, but it does not lock the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-50 |
|---|---|
| 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 SAIJ32AX500-50
| 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 SAIJ32AX500-50 Is Used
Machine Changeovers
Dial in the 450-500 mm retract position during product size changes without swapping out the entire cylinder or re-engineering fixed external stops.
Variable End Stops
Fine-tune the stopping point of a lightweight conveyor diverter at commissioning, using the rear adjuster to perfectly time the 402 N push stroke.
Assembly Station Setup
Adjust the stroke window on the fly during initial machine build to accommodate slight variations in fixture alignment before final locking.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX500-50 the Right Cylinder?
Choose this 32 mm bore when you need precise retract positioning that a fixed-stroke SAI cannot provide, stepping up from smaller bores or down from a 40 mm bore (which offers 628 N push at 0.5 MPa) based on your exact force requirements. The adjustable 450-500 mm window is ideal for product changeovers, allowing you to dial in the end-stop without adding external physical stops.
For any 500 mm stroke application, an external guide is highly recommended to support the load and prevent excessive side-loading on the 12 mm rod. If your process requires the cylinder to hold its position without continuous air pressure, note that the SAIJ adjuster is not a lock; you should explore an SAIL pneumatic lock or a BSAI clamp-lock cylinder instead. This model is dimensionally interchangeable per ISO 15552 and uses the standard SAIJ mounting set: 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 SAIJ32AX500-50 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides a push force of 402 N and a pull force of 345 N. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf of push force.
The SAIJ32X500-50 has a rear adjusting screw that allows you to shorten the effective stroke by up to 50 mm, creating a usable travel window of 450 to 500 mm. This stopper fine-tunes the end position but does not hold the load without live air pressure.
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