Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-50 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 SAIJ32BX500-50
The AirTAC SAIJ32X500-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 450-500 mm usable travel window, allowing you to dial back the nominal 500 mm stroke by up to 50 mm during commissioning. In the 32 mm bore class, it delivers a 0.7 MPa push force of 563 N and a pull force of 402 N.
This variant uses a SUS304 stainless steel rod (option B) for corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides. Note that the rear adjuster functions strictly as a travel stop for end-position tuning; it does not lock or hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-50 |
|---|---|
| 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 SAIJ32BX500-50
| 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 SAIJ32BX500-50 Is Used
Product Changeover
Dial in the exact end-stop for varying product lengths on a packaging line without physically swapping cylinders or adding external stopper blocks.
Commissioning Calibration
Fine-tune the 450-500 mm travel window during initial machine setup to perfect positioning accuracy before locking down the controls.
Variable End Stops
Adjust the retract position on the fly for sorting or diverting applications where the physical stop location needs occasional tweaking.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-50 the Right Cylinder?
Choose this 32 mm bore model when your application requires 563 N of push force at 0.7 MPa and precise end-position tuning over a 450-500 mm window. If your setup needs less force, stepping down is not an option in this stroke length, but if you need significantly higher thrust, consider the 40 mm bore (879 N push at 0.7 MPa). The adjustable stroke is ideal for machine changeovers where product sizes vary, eliminating the need to swap a fixed-stroke SAI cylinder.
Because the 500 mm stroke is substantial for a 32 mm bore, an external guide is recommended to prevent rod side-loading and premature wear. For load-holding without continuous air pressure, this cylinder is insufficient; you should look at the SAIL (air-released lock) or BSAI (clamp-lock) series, or use an external pilot-operated check valve. This SKU is dimensionally interchangeable per ISO 15552 and uses the reduced 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 SAIJ32BX500-50 FAQ
At 0.7 MPa operating pressure, this 32 mm bore cylinder provides a push force of 563 N and a pull force of 402 N. The maximum push force is 724 N at 0.9 MPa.
The rear adjuster screw lets you shorten the effective travel from the nominal 500 mm down to 450 mm. It acts as a mechanical stop to fine-tune the end position at commissioning, but it is not a lock and will not hold the load without live air pressure.
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