Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40 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 SAIJ32BX190-40
The AirTAC SAIJ32X190-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 40 mm. This creates a highly versatile 150-190 mm usable travel window, enabling precise end-position tuning at commissioning without swapping out the cylinder or adding external stops. Built with a SUS304 stainless steel rod and PT tapered ports, it delivers 402 N of push force at 0.5 MPa, making it ideal for lighter-duty applications.
Unlike a fixed-stroke SAI cylinder, this model lets you dial in the exact retract stop needed for product changeovers. The rear adjuster acts strictly as a mechanical stop for the travel end and works alongside the variable air cushions at both ends, but it does not lock or hold the load without live air. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to easily mount CMSE reed or DMSE electronic sensors for position feedback if needed.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40 |
|---|---|
| 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 SAIJ32BX190-40
| 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 SAIJ32BX190-40 Is Used
Machine Setup Fine-Tuning
Dial in the exact retract position during initial commissioning to achieve perfect alignment without machining custom spacer blocks.
Product Changeover
Quickly adjust the 150-190 mm travel window on packaging lines when switching between different product sizes or formats.
Variable End-Stop Positioning
Use the 40 mm adjustment range to fine-tune the end-of-stroke stop for delicate picking and placing operations that require precise depth control.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-40 the Right Cylinder?
Choose this 32 mm bore when your application requires a 150-190 mm stroke window and up to 402 N of thrust at 0.5 MPa. If your setup demands greater clamping force, stepping up to the 40 mm bore yields 628 N of push force at the same pressure. The adjustable stroke is specifically beneficial when you need variable end-stops for machine setup or product-size changes, whereas a standard fixed-stroke SAI cylinder is sufficient for rigid, unchanging travel requirements.
For exact ISO 15552 replacement matching, verify the 32 mm bore, 190 mm nominal stroke, 40 mm adjustment range, PT tapered port thread, and SUS304 (B) rod material. Because this unit lacks a magnet (-S not specified), it will not work with CMSE or DMSE sensors out of the box. Furthermore, since the nominal stroke is 190 mm, side-loading is minimal, but always ensure the load is guided to prevent rod damage. Remember that the rear adjuster is a stop, not a lock; for true load-holding without live air pressure, consider the SAIL or BSAI series instead.
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 SAIJ32BX190-40 FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can deliver up to 724 N of push force at 0.7 MPa.
The rear adjusting screw acts as a mechanical stop that allows you to shorten the nominal 190 mm stroke by up to 40 mm, creating a 150-190 mm usable travel window. It only sets the end position and does not hold the load without continuous air pressure.
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