Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-40 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 SAIJ32AX240-40
The AirTAC SAIJ32X240-40 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the 240 mm nominal travel by up to 40 mm for a precise 200-240 mm usable window. It delivers 402 N of push force at 0.5 MPa and features a SUS420J2 stainless steel rod for improved corrosion resistance. PT tapered ports are standard on this 32 mm bore.
The rear screw acts purely as a travel stop for end-position tuning during commissioning and does not lock the load without live air pressure. You can mount AirTAC CMSE reed or DMSE electronic sensors into the dual side grooves, though this specific SKU omits the magnet. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-40 |
|---|---|
| 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 SAIJ32AX240-40
| 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 SAIJ32AX240-40 Is Used
End-Position Tuning
Fine-tune the 200-240 mm travel window during machine commissioning without adding external stopper blocks.
Product Changeover
Quickly adjust the retract distance by up to 40 mm to accommodate varying product sizes on the same line.
Light Assembly
Provides 402 N of push force for precise, repeatable positioning of small components.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-40 the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force at 0.5 MPa with on-the-fly end-stop adjustments, avoiding the need to swap cylinders during product changeovers. If your application requires less force, step down carefully, but if you need higher thrust, a 40 mm bore provides 628 N. Because the 240 mm stroke is substantial for a 32 mm rod, an external guide is recommended to prevent side-load wear.
For an exact ISO 15552 replacement, match the 32 mm bore, 240 mm stroke, 40 mm adjustment, PT port thread, SUS420J2 rod, and your required mounting hardware. Remember that the adjuster only sets the retract position; for load-holding without live air, consider an AirTAC SAIL or BSAI cylinder.
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 SAIJ32AX240-40 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 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw lets you shorten the 240 mm nominal stroke by up to 40 mm, creating a 200-240 mm usable travel window. It functions as a mechanical stop for position tuning and is not a lock.
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