Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 260mm 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
- Stroke260 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40
The AirTAC SAIJ32X260-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster, allowing you to dial back the 260mm nominal stroke by up to 40mm for a practical 220-260mm travel window. It delivers 402N of push force and 345N of pull force at 0.5MPa, fitting compact automation tasks perfectly. This specific configuration includes a SUS304 stainless steel rod for superior corrosion resistance and a PT tapered port thread for a robust seal.
Unlike a fixed-stroke SAI cylinder, this adjustable model lets you fine-tune the retract end-position during commissioning without adding external stops. The rear adjuster acts purely as a mechanical travel stop, meaning it cannot hold a load without live air pressure. It uses a reduced mounting subset of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR options.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 260 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 SAIJ32BX260-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×260 | 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 SAIJ32BX260-40 Is Used
End-Position Tuning
Dial in the exact retract distance within the 220-260mm window during machine commissioning without physically swapping cylinders.
Product Changeover
Quickly adjust the stroke stop on the line when accommodating a new product size, reducing setup downtime.
Corrosive Assembly
Leverage the SUS304 stainless steel rod for reliable actuation in environments where standard carbon rods would corrode.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40 the Right Cylinder?
Choose this 32mm bore when your application requires 402N of push force at 0.5MPa. If you need less force, dropping down to a smaller bore is ideal, but if your load demands higher thrust, stepping up to a 40mm bore yields 628N. The 220-260mm adjustable window is perfect for product changeovers on a line, allowing you to shift the end-stop rapidly rather than swapping the entire cylinder. Because the stroke is 260mm, be mindful of side-load; the 12mm rod and M10x1.25 thread handle moderate loads, but long unsupported strokes still require an external guide.
For load-holding without continuous live air, remember the adjuster is not a lock; you would need a SAIL (air-released lock) or BSAI (clamp-lock) cylinder instead. When matching ISO 15552 replacements, verify the 32mm bore, 260mm stroke, 40mm adjustment, PT port, and standard mounting interface.
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 SAIJ32BX260-40 FAQ
At 0.5MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At 0.7MPa, the push force increases to 563N.
The rear adjuster screw lets you mechanically shorten the 260mm stroke by up to 40mm, creating a 220-260mm usable travel window. It functions only as a travel stop and does not lock the load without live air.
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