Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 550mm 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
- Stroke550 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-50
The AirTAC SAIJ32X550-50 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 550 mm travel by up to 50 mm for a precise 500-550 mm usable window. It delivers 402 N of push force at 0.5 MPa and features a SUS420J2 stainless steel rod for improved corrosion resistance.
This model uses a PT tapered port thread and includes variable air cushions at both ends to manage impact. The extruded aluminum barrel integrates sensor grooves on both sides, supporting CMSE reed or DMSE electronic switches when a magnet is specified, though this base SKU ships without one.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 550 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 SAIJ32AX550-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×550 | 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 SAIJ32AX550-50 Is Used
Product Changeover
Dial in the 500-550 mm stroke window during format size changes on packaging lines without replacing the actuator.
Variable End Stops
Fine-tune the retraction point on diverter arms to handle varying package lengths on the fly.
Machine Setup
Trim the final 50 mm of travel during commissioning to perfectly time tooling contact without external stop blocks.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-50 the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force at 0.5 MPa and on-the-fly end-position tuning without swapping cylinders or adding external stops. If your setup requires less force, stepping down is not an option below 32 mm in this line, but stepping up to a 40 mm bore yields 628 N push force. The rear adjuster acts purely as a travel stop for commissioning and product changeovers; it is not a lock. For load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder instead.
Because the 550 mm stroke is relatively long for a 12 mm rod, an external guide is recommended to prevent excessive side-loading. This SAIJ variant is dimensionally interchangeable per ISO 15552 and uses a reduced mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2), omitting FB, CA, CB, and CR options.
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 SAIJ32AX550-50 FAQ
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.
The rear adjuster screw acts as a stopper that lets you shorten the effective travel from the 550 mm nominal stroke down to 500 mm. It sets the end position but does not lock the load without live air.
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Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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