Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50 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 SAIJ32AX210-50
The AirTAC SAIJ32X210-50 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 160 to 210 mm, allowing you to dial back the nominal stroke by up to 50 mm during commissioning without adding external stops. Delivering 402 N of push force at 0.5 MPa, it suits compact actuation tasks requiring precise end-position tuning.
This model uses a SUS420J2 stainless steel rod (option A) for improved corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for direct mounting of CMSE reed or DMSE electronic switches, though this specific SKU ships without a magnet. The rear adjuster acts purely as a travel stop to set the retract position and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50 |
|---|---|
| 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 SAIJ32AX210-50
| 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 SAIJ32AX210-50 Is Used
Machine Changeover
Quickly reposition the retract stop by up to 50 mm when switching between product formats on a packaging line, eliminating the need to physically swap cylinders.
End-Position Tuning
Fine-tune the final retract position during initial commissioning to align tooling perfectly, absorbing minor mechanical tolerances without external shims.
Variable Product Handling
Adjust the effective stroke within the 160-210 mm window to push different carton sizes accurately into a sealing station using a single actuator.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-50 the Right Cylinder?
Choose this 32 mm bore cylinder when an application requires a variable end-stop within a 160-210 mm travel window, such as accommodating multiple product sizes on a single conveyor line. If your setup needs less travel, stepping down to a smaller bore is possible, but if you require higher force, the 40 mm bore provides 628 N of push force at 0.5 MPa. Unlike a fixed-stroke SAI cylinder, this SAIJ model allows on-the-fly stroke trimming during machine changeover.
For a direct ISO 15552 replacement, match the 32 mm bore, 210 mm stroke, 50 mm adjustment, PT tapered port threads, and your required mounting set. SAIJ supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 mounts but omits FB, CA, CB, and CR. Because the stroke is 210 mm, ensure adequate guiding for the 12 mm rod to prevent excessive side-loading on the piston. For applications requiring the load to be held in place without continuous air pressure, use an AirTAC SAIL or BSAI cylinder instead of relying on the adjuster.
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 SAIJ32AX210-50 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder generates 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 screw acts as a mechanical stop, allowing you to shorten the 210 mm nominal stroke by up to 50 mm. This creates a usable travel window of 160 to 210 mm, which is set at commissioning without swapping the cylinder.
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