Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-50 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 SAIJ32BX210-50
The AirTAC SAIJ32X210-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to trim the nominal 210 mm travel back by up to 50 mm. This creates a precise 160-210 mm usable travel window, letting you dial in the exact end position during commissioning without swapping the cylinder or adding external stops. It delivers 402 N of push force at 0.5 MPa and operates at speeds between 30 and 800 mm/s.
This SKU is configured with a SUS304 stainless steel piston rod for superior corrosion resistance and a PT tapered port thread. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches. The rear adjuster acts strictly as a travel stop to fine-tune deceleration; it does not hold the load without live air, so you would need an external rod lock or a SAIL cylinder for fail-safe holding.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-50 |
|---|---|
| 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 SAIJ32BX210-50
| 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 SAIJ32BX210-50 Is Used
Product Changeovers
Dial in the 160-210 mm travel window during format changes on packaging lines without physically swapping the actuator.
Machine Setup
Fine-tune the retract end position during commissioning to avoid mechanical crashes and reduce setup time.
Variable End Stops
Use the 50 mm rear adjustment to set precise stopping points for testing different material lengths on a workstation.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX210-50 the Right Cylinder?
Choose this 32 mm bore when your application requires the 402 N push force at 0.5 MPa and a variable end-stop within a 160-210 mm window. If your setup needs less travel, stepping down to a 32 mm fixed-stroke SAI cylinder avoids the adjuster entirely, whereas the SAIJ is preferred for machine changeovers or product-size changes requiring on-the-fly position tuning. Because the stroke is 210 mm, the 12 mm rod and M10x1.25 thread handle moderate side loads, but an external guide is recommended for long unsupported loads.
For a true drop-in replacement, match the 32 mm bore, 210 mm nominal stroke, 50 mm adjustment range, PT port thread, and standard mounting interface (Basic, FA, LB, TC, FTC, TCM1, TCM2). Note that this SAIJ configuration omits the -S magnet, so position sensing requires adding external sensors or switching to a magnet-equipped variant. The SAIJ mounting set omits FB, CA, CB, and CR brackets found on some other ISO cylinders.
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 SAIJ32BX210-50 FAQ
The rear adjuster acts as a mechanical stop that lets you shorten the 210 mm nominal stroke by up to 50 mm, providing an effective travel window of 160 to 210 mm. It is not a lock and will not hold the load without live air pressure.
At 0.5 MPa, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
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