Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-30S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-30S 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 SAIJ32BX85-30S
The AirTAC SAIJ32X85-30-S is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It delivers a push force of 563N and a pull force of 506N at 0.7 MPa, making it well-suited for compact, lower-force motion tasks. The integrated -S magnet enables position feedback, functioning seamlessly with AirTAC CMSE reed and DMSE electronic solid-state sensors.
Equipped with a 30mm adjustment range, this model allows you to fine-tune the effective travel window from 55 to 85mm directly at the rear stopper. This eliminates the need to swap cylinders or add external stops during machine commissioning or product changeovers. The piston rod is constructed from SUS304 stainless steel for superior corrosion resistance, and air connections use PT tapered threads.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-30S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-30S |
|---|---|
| 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 SAIJ32BX85-30S
| 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 SAIJ32BX85-30S Is Used
Machine Setup Calibration
Dial in the exact end-of-stroke position within the 55-85mm window during initial machine commissioning without machining new hard stops.
Product Size Changeover
Quickly adapt the cylinder's retract distance on automated lines when handling slightly different product lengths or widths.
Variable End-Stop Positioning
Use the rear 30mm adjuster to set precise, repeatable stopping points for sub-components in compact assembly machinery.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX85-30S the Right Cylinder?
Choose this 32mm bore cylinder when an application requires precise end-position tuning within a 55 to 85mm travel window. If your process demands greater thrust, stepping up to the 40mm bore yields a higher push force of 879N at 0.5 MPa, but for compact assemblies needing exact variable stops, this adjustable SAIJ unit is optimal. The rear adjuster acts solely as a travel stop to set deceleration and end limits; it does not lock or hold the load without continuous live air pressure. For applications requiring true load-holding in the event of air loss, consider the SAIL pneumatic lock or BSAI clamp-lock cylinder series.
As a dimensionally interchangeable ISO 15552 profile cylinder, it integrates smoothly into standard setups. The available mounting options include Basic, FA, LB, TC, FTC, TCM1, and TCM2. Because the nominal stroke is under 300mm, side-load stress on the 12mm rod is minimal, though external guides are always recommended for heavy offset loads.
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 SAIJ32BX85-30S FAQ
At an operating pressure of 0.7 MPa, this 32mm bore cylinder provides a push (extend) force of 563N and a pull (retract) force of 506N. The maximum thrust at 1.0 MPa is 82 kgf.
The rear stopper screw allows you to shorten the nominal 85mm stroke by up to 30mm. This creates a usable travel window of 55 to 85mm, enabling fine-tuning of the end position without replacing the cylinder.
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