Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 275mm 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
- Stroke275 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-100S
The AirTAC SAIJ32X275-100-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 275 mm stroke that can be fine-tuned backward by up to 100 mm, yielding a highly versatile 175-275 mm usable travel window. Delivering 402 N of push force at 0.5 MPa, it fits perfectly into compact assemblies requiring precise end-position tuning.
This variant features 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, directly supporting AirTAC CMSE reed and DMSE electronic solid-state switches. Fluid must be filtered to 40 um, and the cylinder operates reliably between -20 and +70 C.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 275 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 SAIJ32BX275-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×275 | 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 SAIJ32BX275-100S Is Used
Product Changeover
Dial in the 175-275 mm travel window on the fly to accommodate varying package sizes on a packaging line without changing hardware.
End-Stop Calibration
Fine-tune the final retracted position during machine commissioning to prevent mechanical crashes and ensure precise tooling alignment.
Variable Diverting
Adjust the diverting stroke distance on a conveyor sorting station to handle different product lengths accurately.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX275-100S the Right Cylinder?
Select this 32 mm bore when an application demands exact end-stop calibration during commissioning or product changeover without swapping out the physical cylinder. If your setup requires less than 402 N of push force at 0.5 MPa, you might step down, but stepping up to a 40 mm bore yields 628 N if your payload increases. The integrated -S magnet allows seamless feedback via CMSE or DMSE sensors, preventing cycle timing errors.
Because the 275 mm stroke creates an extended lever arm on the 12 mm rod, an external guide is recommended to prevent excessive side-loading and premature seal wear. The rear adjuster acts strictly as a travel stop for deceleration and positioning, not as a locking device; it cannot hold a load without continuous live air pressure. For dead-load holding, consider an external pilot-operated check valve or the AirTAC SAIL lock cylinder series.
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 SAIJ32BX275-100S FAQ
The rear adjuster screw allows you to shorten the effective stroke by up to 100 mm. This creates a usable travel window of 175 to 275 mm, letting you set the exact end position without adding external stops.
At 0.5 MPa, it provides 402 N of push force and 345 N of pull force. At the maximum operating pressure of 1.0 MPa, the push force reaches 801 N.
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