Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 125mm 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
- Stroke125 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-100S
The AirTAC SAIJ32X125-100-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 125 mm nominal stroke that can be dialed back by up to 100 mm, providing a wide usable travel window of 25 to 125 mm for precise end-position tuning. Delivering 402 N of push force and 345 N of pull force at 0.5 MPa, it suits lighter-duty positioning tasks. The extruded aluminum barrel incorporates sensor grooves on both sides, and this variant includes a magnet for position detection alongside a SUS304 stainless steel rod and PT tapered port threads.
The rear adjustment screw acts purely as a mechanical stop to trim the retract end position without requiring cylinder swaps or external stops. It does not lock or hold the load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead. This 32 mm bore uses an M10x1.25 rod thread, G1/8 ports, and 27 mm air cushions at both ends to manage deceleration across its 30-800 mm/s speed range.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 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 SAIJ32BX125-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×125 | 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 SAIJ32BX125-100S Is Used
Product Changeover
Dial in the 25-125 mm travel window during format changes on packaging lines, avoiding the need to physically swap cylinders for different package sizes.
Prototype Positioning
Use the 100 mm rear stopper to rapidly iterate end-stop locations during machine commissioning without disassembling the ISO 15552 mounting block.
Sensor-Verified Testing
Leverage the built-in magnet with DMSE solid-state sensors to confirm exact positions while adjusting the retract stroke in laboratory or testing equipment.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX125-100S the Right Cylinder?
Choose this 32 mm bore when your application requires a maximum 402 N push force at 0.5 MPa; stepping up to a 40 mm bore yields 628 N if higher thrust is needed, while dropping to a smaller micro-cylinder sacrifices ISO 15552 mounting interchangeability. The 100 mm adjustment range is ideal for prototyping or machines processing varying product sizes, allowing you to fine-tune the 25-125 mm travel window on the fly instead of machining custom spacers. Because this is a profile cylinder, it supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). The integrated magnet works seamlessly with AirTAC CMSE reed and DMSE electronic sensors for automated feedback. Remember that the rear adjuster only sets the travel end point; it is not a brake.
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 SAIJ32BX125-100S FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force, operating at speeds between 30 and 800 mm/s.
The rear adjuster screw lets you mechanically shorten the 125 mm nominal stroke by up to 100 mm, creating a usable travel window of 25 to 125 mm. It functions as an end-position stop, not a load lock, so live air pressure is still required to hold the load.
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