Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-30 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 SAIJ32AX85-30
The AirTAC SAIJ32X85-30 is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster, allowing you to dial back the nominal 85 mm travel by up to 30 mm. This creates a precise 55-85 mm usable travel window for fine-tuning end positions at commissioning. Delivering 402 N of push force at 0.5 MPa, it fits compact pneumatic setups perfectly.
This variant features a SUS420J2 stainless steel rod for enhanced corrosion resistance and utilizes PT tapered port threads (G1/8). The extruded aluminum barrel includes sensor grooves on both sides, ready for CMSE or DMSE switches if a magnet is added later. It supports a variable air cushion at both ends to decelerate the load smoothly.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-30 |
|---|---|
| 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 SAIJ32AX85-30
| 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 SAIJ32AX85-30 Is Used
Machine Changeover
Dial in the 55-85 mm travel window during product size changes without physically swapping the cylinder or repositioning hard stops.
End-Position Tuning
Fine-tune the retract distance at commissioning to perfectly seat parts, using the rear screw to absorb mechanical tolerance variations.
Compact Assembly
Fit a 32 mm bore profile cylinder into tight cells where 402 N of force is sufficient and space prevents bulky external adjusters.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-30 the Right Cylinder?
Choose this 32 mm bore when an application requires precise mechanical end-stop tuning without adding external stops; if you need higher force, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa. The rear adjuster acts strictly as a travel stop and does not hold the load without live air pressure. For load-holding requirements, consider an AirTAC SAIL or BSAI cylinder. To replace an ISO 15552 cylinder, match the 85 mm stroke, 30 mm adjustment, PT G1/8 port, and mounting choice (Basic, FA, LB, TC, FTC, TCM1, or TCM2).
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 SAIJ32AX85-30 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. It can reach a maximum push force of 724 N at 0.9 MPa.
The rear adjuster screw lets you mechanically shorten the effective stroke from the nominal 85 mm down to 55 mm. This stopper only sets the travel end and decelerates the load; it does not lock the position without continuous air pressure.
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