Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30S 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 SAIJ32X125-30S
The AirTAC SAIJ32X125-30-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers a 0.7 MPa push force of 563 Newtons and features a PT tapered port thread (G1/8). The integrated -S magnet enables precise position detection using AirTAC CMSE reed or DMSE electronic solid-state sensors housed in the dual-side barrel grooves.
With a nominal 125 mm stroke and a 30 mm adjustment range, this unit provides a usable travel window of 95 to 125 mm. This built-in rear stopper allows technicians to dial in exact end positions during commissioning or product changeovers without swapping the cylinder or adding external stops. The adjuster acts purely as a travel limit and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30S |
|---|---|
| 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 SAIJ32X125-30S
| 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 SAIJ32X125-30S Is Used
Product Changeovers
Quickly fine-tune the 95-125 mm travel window during production line changeovers to accommodate varying package sizes without changing hardware.
End-Stop Calibration
Dial in exact retraction end positions during machine commissioning using the rear screw, ensuring precise placement without external stopper blocks.
Variable Assembly Stops
Adapt the cylinder's effective stroke on the fly for assembly lines processing multiple part lengths, leveraging the 30 mm adjustment range.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X125-30S the Right Cylinder?
Select this 32 mm bore when an application requires variable end-stops within a 95-125 mm travel window. If your setup needs less force, stepping down is not an option below 32 mm in this series, but stepping up to a 40 mm bore yields a 0.5 MPa push force of 628 Newtons for heavier loads. Choose this adjustable SAIJ model over a fixed-stroke SAI when a machine handles multiple product sizes and requires rapid, tool-free end-position tuning at commissioning.
For a direct ISO 15552 replacement match, ensure your specifications align with a 32 mm bore, 125 mm nominal stroke, 30 mm adjustment range, PT port thread, and a magnet for CMSE or DMSE sensors. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the stroke is under 300 mm, side-load stress on the 12 mm rod is manageable, though external guides remain recommended for heavy lateral loads. Note that for load-holding without continuous air pressure, an external rod lock or a related SAIL pneumatic lock cylinder is required.
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 SAIJ32X125-30S FAQ
At a standard operating pressure of 0.7 MPa, this 32 mm bore cylinder provides a push force of 563 Newtons and a pull force of 345 Newtons. At 0.5 MPa, the push force is 402 Newtons.
The rear adjuster acts as a mechanical stop that lets you trim the effective travel back by up to 30 mm. This creates a usable stroke window of 95 to 125 mm from the 125 mm nominal stroke, allowing fine-tuning of the end position without replacing the cylinder.
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