Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-30 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 115mm 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
- Stroke115 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-30
The AirTAC SAIJ32X115-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 85 to 115 mm, allowing you to dial back the 115 mm nominal stroke by up to 30 mm during commissioning. In the 32 mm bore class, it delivers 402 N of push force at 0.5 MPa and 563 N at 0.7 MPa.
This variant is built with a SUS304 stainless steel rod for superior corrosion resistance and ships with PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and the cylinder supports a speed range of 30 to 800 mm/s. It uses a reduced mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR options.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-30 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 115 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 SAIJ32BX115-30
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×115 | 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 SAIJ32BX115-30 Is Used
Machine Setup Tuning
Dial in the exact 85 to 115 mm end position during machine commissioning without machining new stopper blocks.
Product Changeover
Quickly adapt end stops on a packaging line when handling slightly different carton lengths.
Fixture Positioning
Use the 30 mm adjustment window to set precise clamping depths for varying part sizes on a machining fixture.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-30 the Right Cylinder?
Choose this 32 mm bore if your application requires less force than the 40 mm size (which provides 628 N at 0.5 MPa) but still needs precise mechanical end-stop tuning. The adjustable stroke is ideal for product changeovers or fine-tuning a fixture's end position without swapping the entire cylinder or adding external stopper blocks. When matching ISO 15552 replacements, confirm the 115 mm stroke, 30 mm adjustment range, PT port thread, and the selected mounting hardware.
Remember that the rear adjuster functions strictly as a travel stop, not a locking device. The cylinder cannot hold a load without live air pressure; for fail-safe load holding, consider 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 SAIJ32BX115-30 FAQ
At 0.5 MPa it provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw mechanically limits the piston travel, allowing you to shorten the 115 mm stroke anywhere down to 85 mm. It acts only as a stop and does not lock the load without air pressure.
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