Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50S 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 SAIJ32AX210-50S
The AirTAC SAIJ32X210-50-S is a double-acting ISO 15552 profile cylinder with a rear stroke adjuster, letting you dial back the 210 mm nominal travel to a precise 160-210 mm window during commissioning. It delivers 402 N of push force at 0.5 MPa, making it well-suited for lighter-duty positioning tasks. The -S magnet option enables position sensing with AirTAC CMSE reed or DMSE electronic solid-state switches.
This model features a SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance compared to standard carbon steel. The rear adjustment screw acts purely as a mechanical stop to fine-tune the end position without adding external stops; it does not hold the load without live air. For applications requiring true load-holding without pneumatic pressure, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50S |
|---|---|
| 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 SAIJ32AX210-50S
| 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 SAIJ32AX210-50S Is Used
End-Position Tuning
Fine-tune the retract distance within the 160-210 mm window during machine setup without physically swapping the cylinder or adding bulky external stopper blocks.
Product Changeover
Quickly adapt the stroke on packaging or assembly lines when handling slightly different product sizes, using the 50 mm adjustment range to match new formats.
Light Assembly Positioning
Leverage the 402 N push force at 0.5 MPa for precise light-duty positioning and clamping, utilizing the SUS420J2 rod for environments where standard carbon steel is unsuitable.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50S the Right Cylinder?
Choose this 32 mm bore when you need 402 N of thrust at 0.5 MPa and a variable end-stop for product changeovers. If your application requires less force, stepping down is not an option below 32 mm in this series, but stepping up to a 40 mm bore yields 628 N. The adjustable stroke is ideal when you want to avoid swapping cylinders for slightly different travel lengths, functioning as an external stop built into the rear cap. Remember that the rear adjuster only sets the travel end and does not lock the load.
As a dimensionally interchangeable ISO 15552 cylinder, this model uses a PT tapered port (G1/8), features the -S magnet for CMSE/DMSE sensors, and supports a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2 (omitting FB, CA, CB, and CR). The 12 mm rod and M10x1.25 thread provide adequate support for standard loads, though any long unsupported stroke over 300 mm requires an external guide to prevent side-loading damage.
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 SAIJ32AX210-50S FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. If you require higher force, stepping up to a 40 mm bore provides 628 N of push force at the same pressure.
The rear adjuster screw allows you to shorten the effective travel from the 210 mm nominal stroke down to a minimum of 160 mm, creating a 160-210 mm usable window. This stopper only sets the end position and decelerates the travel; it does not lock or hold the load without continuous air pressure.
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