Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40 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 SAIJ32AX750-40
The AirTAC SAIJ32X750-40 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that creates a 710 to 750 mm usable travel window. Delivering 563 N of push force at 0.7 MPa, it utilizes a 12 mm SUS420J2 stainless steel rod and a PT tapered G1/8 port. This configuration provides excellent resistance to surface corrosion while maintaining standard dimensional interchangeability.
Because the adjuster acts purely as a mechanical stop for end-position tuning, it does not hold the load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides, allowing you to easily add CMSE or DMSE switches for position feedback without machining the body.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40 |
|---|---|
| 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 SAIJ32AX750-40
| 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 SAIJ32AX750-40 Is Used
Product Changeover
Dial in the 710-750 mm stroke window on the fly to accommodate different package lengths on a packaging line without changing out the actuator.
Machine Setup
Fine-tune the retract end-position during commissioning to perfectly seat parts, eliminating the need for custom spacer shims.
Variable End Stops
Adjust the travel limit on a long-stroke diverter arm to handle varying product sizes on a conveyor system.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX750-40 the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning during machine setup or product changeover, avoiding the need to physically swap cylinders or bolt on external stops. If your application requires greater thrust, stepping up to the 40 mm bore yields 879 N of push force at 0.7 MPa. For holding loads without continuous air pressure, consider an external pilot-operated check valve or the related SAIL lock cylinder.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 750 mm stroke, 40 mm adjustment range, PT port thread, and mounting style. The SAIJ series supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts. Given the 750 mm stroke, the 12 mm rod is susceptible to side-loading; always guide the load externally to prevent binding and premature seal wear.
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 SAIJ32AX750-40 FAQ
At 0.5 MPa it provides 402 N push and 345 N pull force. At 0.7 MPa the push force increases to 563 N, with a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw acts as a mechanical stop, allowing you to shorten the effective travel from the 750 mm nominal stroke down to 710 mm. It only sets the travel end and does not lock the load without live air.
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