Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-20
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-20 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 80mm 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
- Stroke80 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-20
The AirTAC SAIJ32X80-20 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a nominal 80 mm stroke that can be fine-tuned down by up to 20 mm, giving you a precise 60-80 mm usable travel window. In the 32 mm bore class, it delivers 402 N of push force at 0.5 MPa and 563 N at 0.7 MPa.
This variant is built with a SUS304 stainless steel rod (option B) for superior corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides. Note that the rear adjuster acts purely as a mechanical stop for end-position tuning and does not hold the load without continuous live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-20 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-20 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 80 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 SAIJ32BX80-20
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×80 | 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 SAIJ32BX80-20 Is Used
End-Stop Tuning
Dial in the exact 60-80 mm travel distance during machine commissioning without adding external stopper blocks.
Product Changeover
Quickly adjust the retract position on packaging lines when switching between different product sizes.
Fixture Alignment
Fine-tune clamping positions on machining fixtures where a fixed 80 mm stroke might over-travel.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX80-20 the Right Cylinder?
Choose this 32 mm bore when your application requires the lower force class (402 N push at 0.5 MPa); stepping up to a 40 mm bore would increase that to 628 N. The adjustable 60-80 mm travel window is perfect for machine setups requiring variable end-stops or product changeovers, eliminating the need to swap out a fixed-stroke SAI cylinder. For a direct ISO 15552 replacement match, ensure you specify the 32 mm bore, 80 mm stroke, PT ports, and the desired mounting style.
Remember that the rear adjuster is a travel stop, not a locking device. If your setup requires true load-holding without live air pressure, consider an AirTAC SAIL or BSAI cylinder instead. The 12 mm rod and M10x1.25 thread provide standard side-load capacity, though external guides are always recommended for optimal performance.
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 SAIJ32BX80-20 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. At 0.7 MPa, the push force increases to 563 N.
The rear adjuster screw allows you to shorten the effective stroke by up to 20 mm. This creates a 60-80 mm adjustable travel window, letting you set the exact end position at commissioning without changing the cylinder.
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