Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40S 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 SAIJ32BX260-40S
The AirTAC SAIJ32X260-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 32mm bore and a 260mm nominal stroke that can be fine-tuned backward by up to 40mm, yielding a usable travel window of 220-260mm. This adjustment capability allows precise end-position tuning at commissioning without adding external stops. The unit delivers 402N of push force and 345N of pull force at 0.5 MPa, scaling to 724N push at 0.9 MPa.
Built with a SUS304 stainless steel rod (option B) and a 12mm rod diameter with an M10x1.25 thread, it handles demanding environments while mitigating side-load wear. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated magnet supports AirTAC CMSE reed and DMSE electronic sensors. Pneumatic cushioning at both ends manages deceleration across its 30-800 mm/s speed range.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40S |
|---|---|
| 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 SAIJ32BX260-40S
| 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 SAIJ32BX260-40S Is Used
Machine Changeover
Dial in the 220-260mm travel window during product size transitions without physically swapping out the cylinder.
Variable End Stops
Set precise retract positions at commissioning using the 40mm rear adjuster instead of machining external stop blocks.
Light Assembly Actuation
Drive small clamps and stops with up to 724N of push force while using the SUS304 rod in mildly corrosive environments.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-40S the Right Cylinder?
Choose this 32mm bore when your application requires up to 724N of push force at 0.9 MPa and needs a 220-260mm travel window. If your force requirements are lower, dropping to a smaller bore reduces air consumption, but if you need significantly more thrust, stepping up to a 40mm bore provides 628N of push force at just 0.5 MPa. Because the 260mm stroke exceeds 300mm? No, but even at 260mm, the 12mm rod dictates that you use an external guide to prevent excessive side-loading on the piston.
Select an adjustable-stroke SAIJ over a fixed-stroke SAI when machine setups demand variable end-stops or product changeovers require dialing in the travel without physically swapping the cylinder. The rear adjuster acts purely as a mechanical stop and does not hold the load without live air pressure; for true fail-safe load holding, consider the SAIL or BSAI series. This SKU is dimensionally interchangeable per ISO 15552 and includes a PT tapered port, a -S magnet for CMSE/DMSE switches, and supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts.
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 SAIJ32BX260-40S 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 reaches 724N. The operational speed range is 30-800 mm/s.
The rear adjuster screw lets you trim the effective stroke back by up to 40mm, creating a usable travel window of 220-260mm. The adjuster functions as a mechanical stop to fine-tune the end position and does not lock the load without continuous air pressure.
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