Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 85mm 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
- Stroke85 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-75
The AirTAC SAIJ32X85-75 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 generous 10-85 mm usable travel window, allowing you to dial back the nominal 85 mm stroke by up to 75 mm during commissioning. This wide adjustment range is perfect for applications requiring highly variable end positions without swapping hardware.
Built with an SUS420J2 stainless steel rod (option A) for enhanced corrosion resistance, this 32 mm bore unit utilizes PT tapered ports and operates at speeds of 30-800 mm/s. The extruded aluminum barrel includes sensor grooves on both sides, and mounting is supported via a specific subset of accessories: Basic, FA, LB, TC, FTC, TCM1, and TCM2.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 85 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 SAIJ32AX85-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×85 | 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 SAIJ32AX85-75 Is Used
Product Changeovers
Quickly adapt the retract end position for different product sizes on a packaging line without physically replacing the cylinder.
Machine Setup
Fine-tune the 10-85 mm travel window during initial commissioning to achieve exact positioning without adding external stopper blocks.
Variable End Stops
Dial in the precise stroke distance for delicate pressing or clamping operations where the required travel varies between batches.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-75 the Right Cylinder?
Choose this 32 mm bore cylinder when you need 402N push force at 0.5 MPa combined with extreme stroke variability. If your application requires less fine-tuning and higher thrust, stepping up to the 40 mm bore yields 628N of push force. The SAIJ32X85-75 is selected over a fixed SAI cylinder when machine formats change frequently, as the rear screw acts as an external stop to set the retract end position precisely.
Because the stroke is under 300 mm, side-load stress on the 12 mm rod is manageable, though external guides are still recommended for heavy lateral loads. Note that the rear adjuster is a travel stop, not a lock; the cylinder will not hold its load without live air. For load-holding requirements, consider the SAIL or BSAI series. This configuration uses PT tapered ports and lacks a magnet, so position sensing requires external limits.
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 SAIJ32AX85-75 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402N of push force and 345N of pull force. At 0.9 MPa, the push force increases to 724N.
The SAIJ32X85-75 has a nominal stroke of 85 mm with a 75 mm adjustment code. By turning the rear screw, you can shorten the effective stroke, creating a usable travel window ranging from 10 mm to 85 mm to suit your exact positioning needs.
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