Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20 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 SAIJ32AX210-20
The AirTAC SAIJ32X210-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to fine-tune the effective travel down to 190 mm from its 210 mm nominal length. Delivering 402 N of push force at 0.5 MPa, this 32 mm bore actuator uses a SUS420J2 stainless steel rod for superior corrosion resistance compared to standard carbon steel. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting of CMSE reed or DMSE electronic switches.
Equipped with PT tapered G1/8 ports and 27 mm air cushions at both ends, it ensures smooth deceleration. The rear adjustment screw acts purely as a travel stop to dial in the exact end position during commissioning; it does not lock the load without live air pressure. For applications requiring true load-holding, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20 |
|---|---|
| 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 SAIJ32AX210-20
| 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 SAIJ32AX210-20 Is Used
Machine Setup & Changeover
Dial in the exact 190-210 mm end-stop during product changeovers without adding external physical stops or replacing the entire cylinder.
Variable End-Position Clamping
Fine-tune the clamping distance on the fly to accommodate slight variations in workpiece dimensions while maintaining 402 N of clamping force.
Adjustable Diverting Stroke
Adjust the diverting arm travel window precisely during commissioning to perfect the handoff timing onto a secondary conveyor belt.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20 the Right Cylinder?
Choose this 32 mm bore when your application requires 402 N of push force at 0.5 MPa, stepping down from a 40 mm bore that yields 628 N, or up from smaller actuators. The adjustable 190-210 mm travel window is ideal for machine setups requiring variable end-stops or product-size changeovers without physically swapping cylinders. To match this ISO 15552 replacement exactly, verify the 210 mm stroke, 20 mm adjustment range, PT G1/8 port thread, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Since the 210 mm stroke exceeds 300 mm? No, but for any long-stroke setup, always support the load with an external guide to prevent excessive side-loading on the 12 mm rod.
If your system needs to hold a position mechanically without continuous air pressure, do not rely on the rear adjuster or the air cushions, as neither functions as a brake. You would need an external rod lock or a pilot-operated check valve.
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 SAIJ32AX210-20 FAQ
The rear adjuster screw lets you shorten the effective travel by up to 20 mm, creating a 190-210 mm usable window. It acts as a physical stop to fine-tune the end position at commissioning, but it is not a lock and will not hold the load without live air pressure.
This 32 mm bore cylinder provides 402 N of push force and 345 N of pull force at 0.5 MPa. At the maximum operating pressure of 1.0 MPa, it can deliver up to 82 kgf of push force.
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