Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-20S 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 SAIJ32BX260-20S
The AirTAC SAIJ32X260-20-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that lets you trim the effective travel back by up to 20 mm. This creates a 240-260 mm usable travel window, allowing precise end-position tuning at commissioning without swapping the barrel or adding external stops. It delivers 402 N of push force at 0.5 MPa.
Built with a SUS304 stainless steel rod for superior corrosion resistance, this 32 mm bore unit uses PT tapered port threads (G1/8) and includes a magnet for CMSE reed and DMSE electronic sensors. The extruded aluminum barrel provides sensor grooves on both sides, and the rear adjuster acts purely as a travel stop, meaning it will not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-20S |
|---|---|
| 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 SAIJ32BX260-20S
| 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 SAIJ32BX260-20S Is Used
Product Changeover
Dial in the 240-260 mm travel window during format changes on packaging lines, avoiding physical cylinder swaps.
End-Position Tuning
Fine-tune the retract stroke at the rear screw during machine commissioning to perfect timing without external stop blocks.
Corrosive Assembly
Leverage the SUS304 stainless steel rod for light-duty assembly tasks in washdown or mildly corrosive environments.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX260-20S the Right Cylinder?
Choose this adjustable-stroke model when your application requires variable end-stops or frequent product-size changeovers on the line. If you need slightly more thrust, stepping up to the 40 mm bore offers 628 N of push force at 0.5 MPa. Because the total stroke is 260 mm, ensure proper external guiding to prevent side-load damage to the rod seals.
For drop-in ISO 15552 interchangeability, match the 32 mm bore, 260 mm stroke, 20 mm adjustment range, PT port thread, and -S magnet requirement. Remember that the SAIJ mounting set omits FB, CA, CB, and CR brackets, offering Basic, FA, LB, TC, FTC, TCM1, and TCM2 options. If your process requires true load-holding without live air, consider the SAIL or BSAI series instead of relying on the adjuster.
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 SAIJ32BX260-20S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster acts as a mechanical stop that shortens the nominal 260 mm stroke by up to 20 mm, giving a usable travel window of 240-260 mm. It is a travel stop, not a lock, and will not hold the load without continuous air pressure.
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Covers non-human-caused product damage.
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