Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-20 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 SAIJ32AX85-20
The AirTAC SAIJ32X85-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that trims the nominal 85 mm travel back by up to 20 mm, creating a precise 65-85 mm usable window. Delivering 402 N of push force at 0.5 MPa, it is equipped with a SUS420J2 stainless steel rod and PT tapered ports.
The rear adjuster acts as a mechanical stop to fine-tune the retract end position during commissioning without adding external stops. It uses a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1 and TCM2, omitting FB, CA, CB and CR. The adjuster is a travel stop, not a lock; for load-holding without live air, consider SAIL or BSAI types.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-20 |
|---|---|
| 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 SAIJ32AX85-20
| 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 SAIJ32AX85-20 Is Used
Machine Changeover
Dial in the 65-85 mm travel window during product size changes without swapping the cylinder or bolting on external stoppers.
End-Position Tuning
Fine-tune the retract stroke precisely during commissioning to absorb mechanical tolerances in the fixture.
Assembly Stations
Provides 402 N of push force for compact ISO 15552 assembly tasks requiring variable end stops.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX85-20 the Right Cylinder?
Choose this 32 mm bore when you need 402 N of thrust at 0.5 MPa (or 563 N at 0.7 MPa) with on-machine end-position tuning. If your application requires less force, there is no smaller bore in this ISO 15552 series, but stepping up to a 40 mm bore yields 628 N at 0.5 MPa. The adjustable stroke is ideal for product changeovers where fixed SAI cylinders fall short. To match this ISO 15552 footprint, select a 32 mm bore, 85 mm stroke, 20 mm adjustment, PT port, and your required mounting.
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 SAIJ32AX85-20 FAQ
It features a rear adjusting screw that acts as a mechanical stop, allowing you to shorten the 85 mm nominal stroke by up to 20 mm. This creates a 65-85 mm usable travel window for precise end-position tuning.
At 0.5 MPa operating pressure, it provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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