Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 180mm 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
- Stroke180 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-20S
The AirTAC SAIJ32X180-20-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster that allows you to dial back the nominal 180 mm travel by up to 20 mm, creating a precise 160-180 mm usable window. It delivers 402 N of push force at 0.5 MPa and operates at speeds between 30 and 800 mm/s.
This unit includes a SUS304 stainless steel rod for corrosion resistance and comes with a built-in magnet (-S) compatible with AirTAC CMSE reed and DMSE electronic sensors. It uses a PT tapered port and offers a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2 options.
Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 180 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 SAIJ32BX180-20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×180 | 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 SAIJ32BX180-20S Is Used
Machine Setup Tuning
Dial in the exact retract distance from 160 to 180 mm during initial commissioning to perfect end-of-stroke positioning without adding external stops.
Product Size Changeover
Quickly adjust the travel window when running a new product batch on a conveyor or handling line, saving time on mechanical reconfiguration.
Assembly Positioning
Use the fine rear adjustment to set precise pressing or positioning depth in light-force 402 N assembly tasks.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32BX180-20S the Right Cylinder?
Choose this 32 mm bore when an application requires lower force with the flexibility to fine-tune the retract end position during commissioning or product changeovers without swapping the cylinder. If your process needs more push power, stepping up to the 40 mm bore yields 628 N at 0.5 MPa.
The rear adjuster acts solely as a travel stop to set deceleration and end positions; it does not hold the load without live air. For drop-prevention or load-holding requirements, consider the SAIL or BSAI series instead. As a true ISO 15552 profile cylinder, it is dimensionally interchangeable with standard ISO cylinders.
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 SAIJ32BX180-20S FAQ
At 0.5 MPa it 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 lets you shorten the 180 mm nominal stroke by up to 20 mm, providing a usable travel window of 160 to 180 mm for fine end-position tuning.
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