Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 75mm 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
- Stroke75 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-50
The AirTAC SAIJ32X75-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. With a 75 mm nominal stroke and a 50 mm adjustment range, you can fine-tune the effective travel down to a 25 mm minimum, creating a highly flexible 25-75 mm usable window for precise end-position tuning during commissioning.
Delivering 402 N of push force and 345 N of pull force at 0.5 MPa, this compact 32 mm bore unit is equipped with a SUS420J2 stainless steel rod for enhanced corrosion resistance. It features PT tapered ports and dual-sided sensor grooves, although positioning sensors require the magnet-equipped -S variant.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 75 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 SAIJ32AX75-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×75 | 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 SAIJ32AX75-50 Is Used
Product Changeover
Dial in the exact end-stop for varying package sizes on a packaging line without changing out the cylinder hardware.
Machine Setup
Trim the travel window down to 25 mm during initial commissioning to perfectly time the pick-and-place sequence.
Variable End Stops
Fine-tune the retract position on small clamping fixtures where a fixed 75 mm stroke would over-travel and damage the part.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX75-50 the Right Cylinder?
Choose this adjustable model over a fixed-stroke SAI when your fixture requires variable end-stops or frequent product-size changeovers without physically swapping cylinders. If your application demands higher output, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. Remember that the rear adjuster functions strictly as a travel stop, not a lock; the SAIJ32X75-50 cannot hold a load without live air pressure. For fail-safe load holding, consider the SAIL or BSAI series instead.
To match this ISO 15552 interchangeable cylinder, specify the 32 mm bore, 75 mm stroke, 50 mm adjustment, PT port, and your required mounting from the reduced SAIJ set: Basic, FA, LB, TC, FTC, TCM1, or TCM2 (FB, CA, CB, and CR are omitted).
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 SAIJ32AX75-50 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it achieves 82 kgf.
The rear adjuster screw acts as a mechanical stop that lets you shorten the 75 mm nominal stroke by up to 50 mm. This provides a usable travel window of 25 to 75 mm, allowing you to set the exact retract position without adding external stops.
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