Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 145mm 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
- Stroke145 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-40S
The AirTAC SAIJ32X145-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 105 to 145 mm usable travel window, allowing you to dial back the nominal 145 mm stroke by up to 40 mm during commissioning without swapping the unit. Delivering 402 N of push force at 0.5 MPa, it fits light-duty positioning tasks perfectly.
This SKU is built with a SUS304 stainless steel rod for superior corrosion resistance and uses PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides, and the integrated magnet works seamlessly with AirTAC CMSE reed and DMSE electronic switches for exact end-position detection.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 145 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 SAIJ32BX145-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×145 | 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 SAIJ32BX145-40S Is Used
Machine Changeover
Fine-tune the 105-145 mm travel window rapidly during product size transitions without replacing the cylinder or bolting on external stops.
Variable End-Stop
Dial in the exact retract position for light-duty assembly tasks, utilizing the 40 mm adjustment range to accommodate multiple part dimensions.
Light-Force Positioning
Leverage the 402 N push force at 0.5 MPa for delicate positioning operations where a fixed-stroke SAI cylinder would be too rigid.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX145-40S the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa, or 563 N at 0.7 MPa. If your setup needs less force, stepping down is an option, but if you require higher thrust, stepping up to a 40 mm bore yields 628 N at 0.5 MPa. The adjustable stroke is ideal for product changeovers, letting you fine-tune the retract end-position on the fly instead of adding external stops.
For an exact ISO 15552 replacement match, use bore 32, stroke 145, adjustment 40, PT port threads, and the -S magnet option. The rear adjuster acts only as a travel stop and cannot hold a load without live air pressure; for true load-holding, consider the SAIL or BSAI series. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2.
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 SAIJ32BX145-40S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 40 mm, creating a usable travel window of 105 to 145 mm. It functions as a mechanical stop for end-position tuning and is not a lock, meaning the cylinder still requires live air to hold a load.
At 0.5 MPa it provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N. The operational speed range for this 32 mm bore is 30-800 mm/s.
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