Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 115mm 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
- Stroke115 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20
The AirTAC SAIJ32X115-20 is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 95-115 mm usable travel window, allowing you to dial back the 115 mm nominal stroke by up to 20 mm during commissioning. In the 32 mm bore class, it delivers a 402 N push force at 0.5 MPa and uses a PT tapered port thread.
This adjustable-stop design eliminates the need to swap cylinders or bolt on external stoppers when fine-tuning end positions. The extruded aluminum barrel includes sensor grooves on both sides for flexible mounting, and the carbon steel rod handles standard loads. The rear adjuster acts purely as a travel stop and does not hold the load without live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 115 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 SAIJ32X115-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×115 | 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 SAIJ32X115-20 Is Used
Machine Changeover
Quickly fine-tune the 95-115 mm stroke end-stop when switching product sizes on a packaging line without changing the cylinder.
End-Position Tuning
Dial in the exact retract position during commissioning to compensate for mechanical tolerances in your fixture.
Variable End Stops
Adjust the travel distance on the fly for sorting mechanisms that handle varying package dimensions.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32X115-20 the Right Cylinder?
Choose this 32 mm bore cylinder when your application requires precise end-position tuning within a 95-115 mm window, delivering 402 N push force at 0.5 MPa. If your setup needs slightly more force, stepping up to the 40 mm bore yields 628 N at the same pressure. The adjustable stroke is ideal for machine changeovers, whereas a fixed-stroke SAI cylinder is sufficient for static, repetitive cycles. This SAIJ model uses a reduced mounting set including Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR. For load-holding without live pressure, consider the SAIL or BSAI series instead.
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 SAIJ32X115-20 FAQ
The rear adjusting screw allows you to shorten the effective stroke by up to 20 mm, providing a usable travel window of 95-115 mm. It acts as a mechanical stop to fine-tune the end position without needing external stoppers.
At 0.5 MPa operating pressure, it provides 402 N of push force and 345 N of pull force. At the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
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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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