Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-30S 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 SAIJ32BX190-30S
The AirTAC SAIJ32X190-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a SUS304 stainless steel rod and a built-in magnet for position sensing. By turning the rear adjustment screw, you can shorten the nominal 190 mm stroke by up to 30 mm, creating a precise 160-190 mm usable travel window for fine-tuning end positions at commissioning without swapping the cylinder.
Delivering 402 N of push force and 345 N of pull force at 0.5 MPa, this 32 mm bore unit operates efficiently between 30 and 800 mm/s. The extruded aluminum barrel includes sensor grooves on both sides, directly supporting AirTAC CMSE reed and DMSE electronic solid-state switches. The rear adjuster acts purely as a mechanical travel stop to set deceleration and end-points, meaning it will not hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-30S |
|---|---|
| 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 SAIJ32BX190-30S
| 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 SAIJ32BX190-30S Is Used
Machine Changeover
Dial in the 160-190 mm travel window during product size transitions to set new retract endpoints without replacing the cylinder or adding external stopper blocks.
Fixture Calibration
Use the rear screw to fine-tune the exact clamping position during initial commissioning, absorbing minor mechanical tolerances in the fixture build.
Test Positioning
Adjust the stroke on the fly for repetitive testing sequences, relying on the SUS304 rod for corrosion resistance in varied environmental conditions.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX190-30S the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires exact end-position tuning during machine setup or product changeovers, avoiding the need to bolt on external stops or buy multiple fixed-length SAI cylinders. If your process demands greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. Because the total stroke is 190 mm, the 12 mm rod and M10x1.25 thread provide adequate support, but an external guide is recommended for any heavy offset loads.
For a true ISO 15552 replacement, match the 32 mm bore, 190 mm stroke, 30 mm adjustment range, PT tapered port thread, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2. Remember that the rear adjuster is a stop, not a lock; if you need fail-safe load holding without live air pressure, consider the AirTAC 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 SAIJ32BX190-30S FAQ
The rear adjuster screw acts as a mechanical stop that can shorten the 190 mm nominal stroke by up to 30 mm, providing a usable travel window of 160-190 mm. It sets the end position but does not lock or hold the load without continuous air pressure.
At 0.5 MPa operating pressure, the SAIJ32X190-30-S provides 402 N of push force and 345 N of pull force. It can deliver up to 724 N of push force at 0.9 MPa.
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