Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-75S 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 SAIJ32BX500-75S
The AirTAC SAIJ32X500-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and features a 500mm nominal stroke that can be fine-tuned down by up to 75mm, creating a precise 425-500mm usable travel window. This built-in adjustability allows you to dial in end positions during commissioning without adding external stops.
This SKU includes a SUS304 stainless steel rod (code B) for superior corrosion resistance and features a PT tapered port. The integrated magnet (-S) supports position sensing via AirTAC CMSE reed or DMSE electronic switches mounted in the dual sensor grooves. It uses the standard SAIJ mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-75S |
|---|---|
| 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 SAIJ32BX500-75S
| 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 SAIJ32BX500-75S Is Used
Product Size Changeovers
Quickly adapt a packaging line for different carton lengths by dialing the stroke back within the 425-500mm window without swapping hardware.
Machine Setup Calibration
Fine-tune the retract end-position during commissioning to achieve precise alignment, avoiding the need for external mechanical stops.
Variable End-Stop Diverter
Act as an adjustable diverter arm on a conveyor where the stopping point needs to be repositioned based on the product family.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-75S the Right Cylinder?
Choose this 32mm bore when you need 402N push force at 0.5 MPa with on-the-fly stroke trimming for product changeovers. If your application requires less force, step down is not an option below 32mm in this series, but if you need significantly more thrust, the 40mm bore provides 628N. The 75mm adjustment window is ideal for varying end-stops, whereas a fixed SAI cylinder is better for repetitive single-cycle tasks.
Because this model has a 500mm stroke, the 12mm rod requires external guiding to prevent excessive side-loading and binding. Remember that the rear adjuster is a travel stop, not a locking device; this SAIJ cylinder will not hold a load without live air pressure. For load-holding requirements, consider an AirTAC SAIL or BSAI cylinder. To match this ISO 15552 interchangeable cylinder exactly, specify: 32mm bore, 500mm stroke, 75mm adjustment, PT port, and the -S magnet.
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 SAIJ32BX500-75S FAQ
At 0.5 MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At 0.7 MPa, the push force increases to 563N.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke from its 500mm nominal length by up to 75mm, providing a usable travel window of 425-500mm. It is a stop, not a lock, and cannot hold the load without continuous air pressure.
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