Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 280mm 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
- Stroke280 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100S
The AirTAC SAIJ32X280-100-S is a double-acting, adjustable-stroke ISO 15552 profile cylinder featuring a 32mm bore and a 280mm nominal stroke. An integrated rear stopper mechanism allows you to dial back the travel by up to 100mm, creating a highly flexible 180-280mm usable window for precise end-position tuning during commissioning. Delivering 402N of push force at 0.5MPa, it is engineered for applications requiring variable end stops without swapping hardware.
This specific SKU is configured with a SUS420J2 stainless steel rod (option A) for superior corrosion resistance and includes a built-in magnet (-S) for seamless integration with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel includes sensor grooves on both sides. Unlike fixed-stroke SAI units, this model lets you fine-tune the retract position on the fly. Remember that the rear adjuster acts only as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 280 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 SAIJ32AX280-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×280 | 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 SAIJ32AX280-100S Is Used
Variable End-Stop Positioning
Dial in the exact retract distance within the 180-280mm window during machine commissioning to accommodate different product sizes without changing cylinders.
Automated Changeover
Rapidly adjust the stroke stopper on packaging lines when switching between different package lengths, minimizing downtime.
Sensor-Ready Actuation
Leverage the built-in magnet with DMSE electronic sensors to confirm the adjusted end-of-stroke position in high-precision assembly tasks.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX280-100S the Right Cylinder?
Choose this 32mm bore adjustable cylinder when your machine setup requires variable end-stops or frequent product changeovers, eliminating the need to bolt on external stops or swap the entire cylinder. At 0.5MPa it yields 402N push and 345N pull force; if your application demands higher thrust, stepping up to the 40mm bore yields 628N push force. The PT tapered port and M10x1.25 rod thread suit standard pneumatic setups, though the 280mm stroke warrants an external guide to prevent excessive side-loading on the rod.
For dimensionally interchangeable ISO 15552 replacements, match the 32mm bore, 280mm stroke, -100mm adjust code, PT port thread, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2 options, intentionally omitting FB, CA, CB, and CR. Because the rear adjuster and air cushions only decelerate the stroke, they do not function as a lock; for load-holding without live air, select 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 SAIJ32AX280-100S FAQ
At 0.5MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. It can safely operate up to 1.0MPa, yielding a maximum push force of 801N.
The rear adjuster screw lets you shorten the 280mm nominal stroke by up to 100mm, providing a usable travel range of 180-280mm. The adjuster acts as a physical stop to fine-tune the end position but does not lock the load without continuous air pressure.
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