Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 190mm 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
- Stroke190 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40S
The AirTAC SAIJ32X190-40-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, enabling you to dial back the 190 mm nominal travel by up to 40 mm. This creates a precise 150-190 mm usable stroke window, perfect for fine-tuning end positions at commissioning without swapping out the unit. It delivers 563N of push force at 0.7 MPa and operates at speeds of 30-800 mm/s.
This specific configuration features a SUS304 stainless steel rod for superior corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE solid-state sensors. The extruded aluminum barrel includes sensor grooves on both sides, and the PT tapered ports ensure a tight, reliable pneumatic connection.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 190 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 SAIJ32BX190-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×190 | 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 SAIJ32BX190-40S Is Used
Machine Setup Tuning
Dial in the exact 150 to 190 mm end-position during initial commissioning without machining custom spacers or adding external stopper blocks.
Product Size Changeovers
Quickly adjust the retract stroke by up to 40 mm on packaging lines when switching between different product lengths or formats.
Variable End Stops
Use the rear screw to establish a precise, repeatable end-of-stroke limit for light-duty testing or assembly tasks requiring 563N of force.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40S the Right Cylinder?
Choose this 32 mm bore when an application requires 563N of push force at 0.7 MPa, but you need the flexibility to alter the end-stop during setup or product changeovers. If your process demands less force, stepping down to a 25 mm bore might suffice, while heavier loads require stepping up to a 40 mm bore which yields 879N. The rear adjuster on this SAIJ acts solely as a travel stop; it cannot hold a load without live air pressure. For true drop-and-hold capability, consider the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 190 mm stroke, 40 mm adjustment range, PT G1/8 ports, and the -S magnet requirement. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, omitting the FB, CA, CB, and CR styles. Because the 190 mm stroke is relatively short, side-load stress is minimal, but an external guide is still recommended for heavy offset loads.
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 SAIJ32BX190-40S FAQ
At an operating pressure of 0.7 MPa, this 32 mm bore double-acting cylinder provides a push force of 563N and a pull force of 345N. It can deliver up to 724N push force at 0.9 MPa.
The rear adjuster screw allows you to shorten the 190 mm nominal stroke by up to 40 mm, creating a usable travel window of 150 to 190 mm. This stopper only sets the end position; it does not lock or hold the load without continuous air pressure.
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