Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-40 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 210mm 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
- Stroke210 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-40
The AirTAC SAIJ32X210-40 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 40 mm. This creates a usable stroke window of 170 to 210 mm, enabling precise end-position tuning at commissioning without swapping out the physical cylinder. It delivers 402 N of push force and 345 N of pull force at 0.5 MPa, making it suitable for lighter-duty positioning tasks.
This model features a SUS420J2 stainless steel piston rod (material code A) for enhanced corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for mounting standard switches. Note that the rear adjuster functions as a mechanical stop to set the travel endpoint, not as a locking device, so it will not hold a load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-40 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 210 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 SAIJ32AX210-40
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×210 | 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 SAIJ32AX210-40 Is Used
Machine Changeover
Dial in the exact retract position within the 170-210 mm window when switching product sizes on a packaging line, eliminating the need for physical spacer changes.
End-Stop Calibration
Fine-tune the final end-position during commissioning to achieve precise alignment without replacing the entire cylinder or adding external stop blocks.
Light-Duty Positioning
Utilize the 402 N push force at 0.5 MPa for compact, lower-force assembly tasks that require exact travel limits and reliable ISO 15552 mounting dimensions.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-40 the Right Cylinder?
Choose this 32 mm bore adjustable-stroke cylinder when your application requires fine-tuning the retract end-position during machine setup or product changeover, avoiding the need to bolt on external stops. If your application requires greater thrust, stepping up to the 40 mm bore increases the push force at 0.5 MPa to 628 N. Conversely, if you need less force in a smaller footprint, the 32 mm bore is the optimal baseline.
This cylinder uses a PT tapered port thread and operates at speeds from 30 to 800 mm/s. Because the 210 mm stroke is relatively short, side-loading is less critical than with longer strokes, but an external guide is still recommended for heavy lateral loads. If your process requires the cylinder to hold its position without continuous air pressure, consider the SAIL (air-released lock) or BSAI (clamp-lock) series instead, as the SAIJ adjuster only limits travel. For ISO 15552 interchangeability, match the 32 mm bore, 210 mm stroke, 40 mm adjustment, PT port, and 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 SAIJ32AX210-40 FAQ
At a 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can deliver up to 724 N of push force at 0.9 MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the 210 mm nominal stroke by up to 40 mm, providing a usable travel window of 170 to 210 mm. It sets the travel endpoint but does not lock the load without live air pressure.
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