Airtac Adjustable Cylinder SAIJ32 SAIJ32BX300-100
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX300-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 300mm 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
- Stroke300 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX300-100
The AirTAC SAIJ32X300-100 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a nominal 300mm stroke that can be dialed back by up to 100mm, yielding a highly flexible 200-300mm usable travel window for precise end-position tuning at commissioning. In the 32mm bore class, it delivers 402N of push force and 345N of pull force at 0.5 MPa.
This variant features a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of position switches. The rear adjuster acts purely as a mechanical stop to set the travel end and does not lock or hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX300-100 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX300-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 300 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 SAIJ32BX300-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×300 | 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 SAIJ32BX300-100 Is Used
Machine Changeover
Dial in the exact 200-300mm travel window during product size transitions without physically replacing the actuator or bolting on external stops.
End-Stop Tuning
Fine-tune the retract end-position at commissioning to absorb mechanical tolerances and achieve precise positioning of light-duty tooling.
Variable Reject Arms
Adjust the stroke length on diverter or reject mechanisms on the fly to handle varying package sizes on a single conveyor line.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX300-100 the Right Cylinder?
Choose this 32mm bore adjustable-stroke cylinder when your application requires variable end-stops or frequent product changeovers, allowing you to fine-tune the 200-300mm travel window without swapping out the cylinder or adding external stopper blocks. If your setup needs higher thrust, stepping up to the 40mm bore yields 628N of push force at 0.5 MPa. Because the stroke is 300mm, the 12mm rod diameter warrants an external guide to prevent excessive side-load and premature seal wear over long unsupported travels.
For a direct ISO 15552 interchangeable replacement, match the 32mm bore, 300mm nominal stroke, 100mm adjustment range, PT port thread, and the SUS304 (B) rod material. Note that SAIJ supports a specific mounting subset: Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options. If your process requires true load-holding without continuous air pressure, use an external pilot-operated check valve or select 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 SAIJ32BX300-100 FAQ
At 0.5 MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At 0.9 MPa, the push force increases to 724N. The operational speed range is 30-800 mm/s.
The rear adjusting screw acts as a mechanical stop that lets you shorten the effective stroke by up to 100mm, creating a 200-300mm usable travel window. It only sets the travel end and does not function as a lock; the cylinder cannot hold a load without live air pressure.
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