Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-100S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-100S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 225mm 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
- Stroke225 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-100S
The AirTAC SAIJ32X225-100-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the effective travel back by up to 100 mm. This creates a highly versatile 125 to 225 mm usable stroke window, letting you fine-tune the retract end-position during commissioning without swapping out the physical cylinder. Delivering 402 N of push force at 0.5 MPa, it is engineered for applications requiring exact positioning on the fly.
This SKU is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and uses PT tapered ports sized at G1/8. The extruded aluminum barrel includes sensor grooves on both sides, and because this is a -S variant, it contains a magnet ready for AirTAC CMSE reed or DMSE solid-state electronic switches. The rear adjuster acts purely as a mechanical stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-100S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-100S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 225 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 SAIJ32BX225-100S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×225 | 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 SAIJ32BX225-100S Is Used
Product Changeover
Dial in the stroke from 225 mm down to 125 mm instantly when switching the line to a smaller product size, eliminating the need to physically swap cylinders.
End-Stop Calibration
Fine-tune the retract position during machine commissioning to achieve precise alignment without machining custom external stopper blocks.
Corrosive Environments
Leverage the SUS304 stainless steel rod and 402 N push force for reliable actuation in washdown or corrosive manufacturing settings.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-100S the Right Cylinder?
Choose this 32 mm bore when you need precise end-stop tuning within a 125-225 mm travel window, stepping down from a 40 mm bore (which provides 628 N push at 0.5 MPa) if your force requirements are moderate. An adjustable stroke is frequently selected over a fixed-stroke SAI cylinder to accommodate product size changeovers on a single machine without adding external stops.
For load-holding without continuous air pressure, note that the SAIJ adjuster is only a travel stop, not a lock; you would need to specify an SAIL or BSAI cylinder instead. As an ISO 15552 profile cylinder, it is dimensionally interchangeable with standard ISO 15552 mounting interfaces. To match this configuration exactly, ensure you specify the PT port thread, the SUS304 rod material, the -S magnet option, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, 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 SAIJ32BX225-100S FAQ
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It operates at speeds between 30 and 800 mm/s.
A rear adjusting screw allows you to mechanically shorten the nominal 225 mm stroke by up to 100 mm, providing a usable travel window of 125 to 225 mm. This stopper only sets the end position; it does not lock the load without air pressure.
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