Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40S 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 SAIJ32BX750-40S
The AirTAC SAIJ32X750-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and features a 12mm SUS304 stainless steel rod. The built-in adjuster provides a usable travel window of 710-750mm, letting you trim the nominal 750mm stroke by up to 40mm during commissioning without adding external stops.
This variant includes a magnet for position sensing and uses PT tapered ports. The extruded aluminum barrel incorporates sensor grooves on both sides for straightforward CMSE or DMSE switch installation. The rear stopper sets the end position but does not lock the load; for dead-air holding, an external pilot-operated check valve or a SAIL lock cylinder is required.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40S |
|---|---|
| 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 SAIJ32BX750-40S
| 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 SAIJ32BX750-40S Is Used
Product Changeovers
Dial in the 710-750mm travel window during format changes on packaging lines, avoiding physical cylinder swaps.
Variable End Stops
Set precise retraction limits for diverter arms on conveyors without installing bulky external mechanical stops.
Machine Setup
Fine-tune the final end position during initial commissioning to perfect the timing of automated assembly processes.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX750-40S the Right Cylinder?
Choose this 32mm bore when you need precise 710-750mm end-position tuning and 402N thrust at 0.5 MPa. If your application requires greater force, stepping up to the 40mm bore yields 628N. The adjustable stroke is favored over a fixed SAI cylinder for machine setups requiring frequent product-size changeovers. Because the 750mm stroke is long relative to the 12mm rod, an external guide is recommended to manage side loads.
For a true ISO 15552 replacement, match the 32mm bore, 750mm stroke, 40mm adjustment, PT port, and -S magnet. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. The rear adjuster and air cushions decelererate the travel but will not hold the load without live air pressure.
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 SAIJ32BX750-40S FAQ
At 0.5 MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At 0.7 MPa, the push force increases to 563N.
The rear adjuster acts as a stop that lets you shorten the effective travel from 750mm down to 710mm. It only sets the end position and does not lock the load without live air.
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