Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40S 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 SAIJ32BX225-40S
The AirTAC SAIJ32X225-40-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and features a 185-225mm usable travel window, letting you trim the 225mm nominal stroke by up to 40mm during commissioning. An integrated magnet enables position feedback via CMSE reed or DMSE electronic sensors.
This variant features 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 mounting options span Basic, FA, LB, TC, FTC, TCM1, and TCM2. The rear adjuster acts purely as a travel stop, meaning live air is required to maintain the load position.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40S |
|---|---|
| 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 SAIJ32BX225-40S
| 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 SAIJ32BX225-40S Is Used
Product Changeover
Dial in the 185-225mm travel window on the fly to accommodate different package sizes on a packaging line without swapping hardware.
Machine Setup
Fine-tune the retract end-position during initial commissioning to achieve precise alignment without machining custom spacers.
Variable End Stops
Use the 40mm rear adjuster to tweak the stroke limit dynamically for testing actuation depths in assembly fixtures.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX225-40S the Right Cylinder?
Choose this 32mm bore when an application requires precise end-position tuning without adding external stops; if you need higher force, stepping up to the 40mm bore yields 628N of push force at 0.5 MPa. The adjustable stroke is ideal for product changeovers, whereas a fixed SAI cylinder suits static endpoints. For holding loads without live air pressure, consider a SAIL or BSAI lock cylinder instead.
To match this ISO 15552 cylinder for a replacement, verify the 32mm bore, 225mm stroke, 40mm adjustment, PT G1/8 port, and the -S magnet. Because the 225mm stroke exceeds 300mm only in larger frames, side-load risks are moderate here, but always ensure the M10x1.25 rod thread is properly aligned with an external guide to prevent binding.
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 SAIJ32BX225-40S FAQ
At 0.5 MPa, this 32mm bore cylinder provides 402N of push force and 345N of pull force. It can reach a maximum push force of 724N at 0.9 MPa.
The rear adjuster allows you to shorten the 225mm nominal stroke by up to 40mm, creating a 185-225mm usable travel window. It acts as a physical stop and does not lock the load without air pressure.
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