Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 270mm 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
- Stroke270 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-20S
The AirTAC SAIJ32X270-20-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 270 mm stroke that can be dialed back by up to 20 mm, yielding a usable travel window of 250 to 270 mm for precise end-position tuning at commissioning. Delivering 402 N of push force at 0.5 MPa, it suits light-duty positioning tasks.
This variant features an SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance and includes a magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel integrates sensor grooves on both sides. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 270 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 SAIJ32AX270-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×270 | 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 SAIJ32AX270-20S Is Used
Product Size Changeovers
Dial in the 250-270 mm travel window during format changes on packaging lines without physically replacing the cylinder or adding external stops.
End-Position Calibration
Fine-tune the retract end-position during machine commissioning to perfect sensor triggering and mechanical alignment.
Light-Duty Positioning
Leverage the 402 N push force and SUS420J2 stainless rod for accurate, corrosion-resistant component placement in light assembly.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX270-20S the Right Cylinder?
Choose this 32 mm bore when you need 402 N of push force at 0.5 MPa and on-the-fly end-stop adjustments without swapping cylinders. If your application requires higher force, stepping up to the 40 mm bore yields 628 N at the same pressure. The rear adjuster screw acts purely as a mechanical stop to trim travel; it does not hold the load without live air. For fail-safe load holding, use an external rod lock or pilot-operated check valve.
Because the 270 mm stroke exceeds 250 mm, an external guide is recommended to prevent excessive side loading on the M10x1.25 rod thread. This SAIJ32X270-20-S is dimensionally interchangeable per ISO 15552, featuring a PT tapered port and a -S magnet.
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 SAIJ32AX270-20S FAQ
The rear adjuster screw lets you shorten the effective travel by up to 20 mm, creating a usable stroke window of 250 to 270 mm. It acts as a mechanical stop and does not lock the load without live air pressure.
At 0.5 MPa it provides 402 N of push force and 345 N of pull force. The operational speed range is 30-800 mm/s, and it uses a G1/8 port.
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