Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-75S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 240mm 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
- Stroke240 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-75S
The AirTAC SAIJ32X240-75-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers 402N of push force at 0.5 MPa and provides a usable travel window of 165-240mm, letting you trim the nominal 240mm stroke by up to 75mm during commissioning.
This variant includes a SUS304 stainless steel rod for corrosion resistance and a PT tapered port. It supports AirTAC CMSE reed and DMSE electronic sensors via its integrated side grooves. The rear adjuster acts strictly as a travel stop for end-position tuning, not a lock, so live air pressure is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-75S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 240 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 SAIJ32BX240-75S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×240 | 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 SAIJ32BX240-75S Is Used
Machine Changeover
Dial in the 165-240mm travel window during product size transitions without physically replacing the cylinder or adding external mechanical stops.
End-Position Tuning
Fine-tune the retract end position at commissioning to perfect the seating of 32mm bore tooling delivering 402N push force.
Adjustable Assembly Jigs
Accommodate varying part widths on a single fixture using the 75mm adjustment range, relying on the SUS304 rod for corrosion resistance.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX240-75S the Right Cylinder?
Choose this 32mm bore when your application requires 402N push force at 0.5 MPa, stepping down from a 40mm bore that yields 628N. The 75mm adjustment range is ideal for product changeovers, allowing variable end-stops without swapping cylinders or adding external stops. For fixed travel without tuning, the standard SAI cylinder is sufficient.
Because the 240mm stroke exceeds 300mm? No, but even at 240mm, the 12mm rod and M10x1.25 thread handle moderate side loads, though long unsupported strokes still need an external guide. This SAIJ model uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR. It is dimensionally interchangeable per ISO 15552. For load-holding without live pressure, consider the SAIL or BSAI series.
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 SAIJ32BX240-75S FAQ
At 0.5 MPa operating pressure, this 32mm bore cylinder generates 402N of push force and 345N of pull force. It can reach up to 724N push force at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the 240mm nominal stroke down to as little as 165mm. It decelerates the travel end but does not lock the load without live air pressure.
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