Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-40S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 115mm 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
- Stroke115 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-40S
The AirTAC SAIJ32X115-40-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down to a 75-115 mm window without adding external stops. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa, making it well-suited for lighter-duty machine setups. Because this SKU includes the -S magnet, it directly supports AirTAC CMSE reed and DMSE electronic solid-state sensors housed within the dual-side barrel grooves.
This model uses a SUS304 stainless steel rod (option B) for improved corrosion resistance and features PT tapered port threads (G1/8). The rear adjustment screw acts purely as a travel stop to decelerate the piston at the retract end; it does not lock or hold the load without live air pressure. For applications requiring true load-holding, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-40S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 115 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 SAIJ32BX115-40S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×115 | 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 SAIJ32BX115-40S Is Used
Variable End Stops
Dial in the exact 75 to 115 mm retract position during machine commissioning to accommodate varying material thicknesses without swapping cylinders.
Machine Changeover
Rapidly adjust the stroke stop when switching between product sizes on a packaging line, minimizing downtime and avoiding external stopper hardware.
Light-Force Positioning
Leverage the 402 N push force to precisely push or index light components, using the rear screw to fine-tune the final resting position.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX115-40S the Right Cylinder?
Select this 32 mm bore cylinder when your application requires a 115 mm nominal stroke but needs on-the-fly end-position tuning during commissioning or product changeover. If your setup demands greater thrust, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. To achieve a drop-in ISO 15552 replacement, match the 32 mm bore, 115 mm stroke, 40 mm adjustment range, PT G1/8 port, and the -S magnet specification. Mounting options for this adjustable series include Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting the FB, CA, CB, and CR styles.
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 SAIJ32BX115-40S FAQ
At a standard operating pressure of 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster screw lets you mechanically shorten the 115 mm nominal stroke by up to 40 mm, creating a usable travel window of 75 to 115 mm. This allows precise end-position tuning at commissioning without replacing the cylinder.
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