Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20S 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 SAIJ32AX210-20S
The AirTAC SAIJ32X210-20-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 190-210 mm usable travel window, enabling precise end-position tuning during commissioning without external stops. The extruded aluminum barrel features sensor grooves on both sides, and the integrated magnet supports AirTAC CMSE (reed) and DMSE (electronic) solid-state switches for exact position feedback.
Delivering 402 N of push force at 0.5 MPa, this 32 mm bore unit utilizes a SUS420J2 stainless steel rod (code A) for enhanced corrosion resistance. The rear adjustment screw acts purely as a travel stop to fine-tune deceleration, meaning it cannot hold a load without live air pressure. For load-holding requirements, consider the SAIL or BSAI series instead.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20S |
|---|---|
| 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 SAIJ32AX210-20S
| 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 SAIJ32AX210-20S Is Used
End-Position Tuning
Dial in the exact 190-210 mm travel window during machine setup to perfect end-of-stroke positioning without adding external stopper blocks.
Product Changeover
Quickly adjust the retract stop on the fly when running a new product size, saving the downtime of physically swapping out a fixed-stroke SAI cylinder.
Light Assembly Positioning
Leverage the 402 N push force and SUS420J2 stainless rod for precise, repeatable positioning of small components in light assembly fixtures.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX210-20S the Right Cylinder?
Choose this 32 mm bore cylinder when an application requires 402 N of push force at 0.5 MPa, stepping down from a 40 mm bore (628 N) for lighter duty work, or up from smaller compact cylinders. The 20 mm stroke adjuster is ideal for product changeovers on a line, allowing the 210 mm nominal stroke to be dialed back to 190 mm without swapping the cylinder. Since this is a 210 mm stroke, ensure external guides are used to prevent side-load damage to the M10x1.25 rod thread.
To match this ISO 15552 replacement, verify the 32 mm bore, 210 mm stroke, 20 mm adjustment range, PT tapered port threads, and the -S magnet option. The SAIJ mounting set includes Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR mounts. Remember that the rear adjuster only sets the travel end and does not function as a brake.
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 SAIJ32AX210-20S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 20 mm, creating a 190-210 mm usable travel window. It acts as a mechanical stop to fine-tune the end position, but it is not a lock and cannot hold a load without live air pressure.
At 0.5 MPa operating pressure, the 32 mm bore generates 402 N of push force and 345 N of pull force. The -S suffix indicates an integrated magnet that works seamlessly with AirTAC CMSE reed switches and DMSE electronic sensors.
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