Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 750mm 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
- Stroke750 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40
The AirTAC SAIJ32X750-40 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 710-750 mm usable travel window by allowing you to dial back the 750 mm nominal stroke by up to 40 mm. Delivering 402 N of push force at 0.5 MPa, it is built with a SUS304 stainless steel rod for superior corrosion resistance and features PT tapered ports.
This model uses an external rear stopper screw to fine-tune the retract end position during commissioning without adding external stops. The adjuster acts purely as a travel stop and does not hold the load without live air. You can mount CMSE or DMSE sensors in the dual-side extruded barrel grooves if position feedback is needed later.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 750 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 SAIJ32BX750-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×750 | 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 SAIJ32BX750-40 Is Used
Machine Changeover
Dial in the 710-750 mm retract end-stop during product size changes without physically swapping the cylinder or adding shims.
Sorting Diverter
Fine-tune the actuation length on a long-stroke diverter gate to accommodate varying package dimensions on the fly.
End-Position Calibration
Precisely set the extended tooling position during machine commissioning using the rear adjustment screw.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40 the Right Cylinder?
Choose this 32 mm bore when you need precise 710-750 mm travel tuning and 402 N thrust at 0.5 MPa. If your application requires significantly more force, stepping up to the 40 mm bore yields 628 N of push force. The adjustable rear stopper is ideal for product changeovers, whereas a fixed-stroke SAI cylinder is better for repetitive single-size tasks. For load-holding without continuous air pressure, consider an AirTAC SAIL or BSAI cylinder instead.
At 750 mm of stroke, the 12 mm rod is highly susceptible to side-loading and buckling; always guide the load externally. This cylinder uses the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2) and omits FB, CA, CB, and CR brackets. It is dimensionally interchangeable per ISO 15552, uses a PT port, and has no standard magnet.
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 SAIJ32BX750-40 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it delivers up to 82 kgf.
The rear adjuster screw lets you shorten the 750 mm nominal stroke by up to 40 mm, creating a 710-750 mm travel window. It functions as a mechanical stop for end-position tuning and is not a locking device.
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