Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40S 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 SAIJ32BX500-40S
The AirTAC SAIJ32X500-40-S is a double-acting, adjustable-stroke ISO 15552 profile cylinder featuring a 32mm bore and a 500mm stroke. An integrated rear stopper mechanism allows you to dial back the travel by up to 40mm, creating a precise 460-500mm usable window for fine-tuning end positions during machine commissioning. It delivers 402N of push force and 345N of pull force at 0.5 MPa, utilizing a G1/8 port and M10x1.25 rod thread.
This specific SKU is configured with a SUS304 stainless steel rod for superior corrosion resistance and includes a built-in magnet for position sensing. The extruded aluminum barrel integrates sensor grooves on both sides, seamlessly supporting AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster functions strictly as a travel stop to set deceleration endpoints, not as a lock, meaning live air pressure is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40S |
|---|---|
| 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 SAIJ32BX500-40S
| 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 SAIJ32BX500-40S Is Used
Machine Commissioning
Dial in the exact 460-500mm travel endpoint during initial machine setup without machining new hard stops or changing the cylinder.
Product Changeover
Quickly adjust the retract stop on packaging lines when switching between different product sizes that require slightly different stroke lengths.
Light-Duty Positioning
Leverage the 402N push force and SUS304 rod for precise, corrosion-resistant component placement in varying travel length scenarios.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX500-40S the Right Cylinder?
Choose this 32mm bore adjustable model when your setup requires exact end-position tuning without swapping out the entire cylinder or adding bulky external stops. If your application demands higher thrust, stepping up to the 40mm bore yields 628N of push force at 0.5 MPa, but the 32mm bore is ideal for lighter-duty cycling. For load-holding applications without continuous air pressure, this cylinder is insufficient; you would need to specify a SAIL pneumatic lock or BSAI clamp-lock cylinder instead.
At a 500mm stroke, the 12mm rod diameter is susceptible to side-loading; an external guide rail is strongly recommended to prevent rod bending and premature seal wear. To directly replace this unit, match the 32mm bore, 500mm stroke, 40mm adjustment range, PT tapered port threading, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, deliberately omitting FB, CA, CB, and CR brackets.
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 SAIJ32BX500-40S FAQ
The rear adjuster acts as an external stop that lets you shorten the effective stroke by up to 40mm, providing a usable travel window of 460-500mm. It only sets the travel end and deceleration point; it does not lock or hold the load without live air pressure.
At 0.5 MPa operating pressure, the SAIJ32X500-40-S provides 402N of push force and 345N of pull force. It can achieve up to 724N of push force at 0.9 MPa, with a maximum rated thrust of 82 kgf at 1.0 MPa.
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