Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-75S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-75S 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 SAIJ32AX550-75S
The AirTAC SAIJ32X550-75-S is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It delivers 402N of push force at 0.5 MPa and features a 550mm nominal stroke that can be fine-tuned down by up to 75mm, giving you a usable travel window of 475-550mm. This built-in adjustability allows precise end-position tuning during commissioning without adding external stops.
This SKU features a SUS420J2 stainless steel rod (code A) for improved corrosion resistance and includes a magnet (-S) for use with AirTAC CMSE reed and DMSE electronic sensors. The extruded aluminum barrel provides sensor grooves on both sides, and the PT G1/8 port ensures straightforward pneumatic integration.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-75S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-75S |
|---|---|
| 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 SAIJ32AX550-75S
| 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 SAIJ32AX550-75S Is Used
Machine Changeover
Dial in the 475-550mm travel window during product size changes without physically swapping the cylinder or reworking fixed stop blocks.
Variable End Stops
Set precise retract positions for multi-format assembly lines using the rear adjuster rather than machining custom external spacers.
Commissioning Tuning
Fine-tune the final end-of-stroke position during setup to perfect tooling alignment while keeping the standard ISO 15552 footprint.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX550-75S the Right Cylinder?
Choose this 32mm bore when you need 402N push force at 0.5 MPa with on-the-fly stroke trimming; step up to the 40mm bore if your application requires 628N. The rear screw acts purely as a travel stop for deceleration and end-position setting, not as a lock. It will not hold a load without live air pressure, so for fail-safe load holding you should use an SAIL pneumatic lock, a BSAI clamp-lock, or an external rod lock. Because this cylinder has a 550mm stroke, the 12mm rod requires external guiding to prevent excessive side-loading and premature seal wear.
To match this ISO 15552 dimensionally interchangeable cylinder, confirm the 32mm bore, 550mm stroke, 75mm adjustment range, PT G1/8 port, and -S magnet. Mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ32AX550-75S FAQ
At 0.5 MPa operating pressure, this 32mm bore cylinder provides 402N of push force and 345N of pull force. At 0.7 MPa, the push force increases to 563N.
The rear adjuster screw lets you shorten the effective stroke by up to 75mm from the 550mm nominal length, creating a 475-550mm travel window. It functions as a mechanical stop for position tuning and does not lock the load without continuous air pressure.
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