Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50S 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 SAIJ32AX180-50S
The AirTAC SAIJ32X180-50-S is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 130-180 mm, allowing you to dial back the 180 mm nominal stroke by up to 50 mm during commissioning. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa. The extruded aluminum barrel includes sensor grooves on both sides, and this -S variant includes a magnet for use with CMSE reed and DMSE electronic sensors.
This model uses a SUS420J2 stainless steel rod (option A) for improved corrosion resistance and features PT tapered port threads (G1/8). The rear adjuster acts strictly as a travel stop to set the retract end position; it does not hold the load without live air pressure. The mounting interface supports Basic, FA, LB, TC, FTC, TCM1, and TCM2 accessories, omitting the FB, CA, CB, and CR options.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50S |
|---|---|
| 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 SAIJ32AX180-50S
| 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 SAIJ32AX180-50S Is Used
Machine Changeover
Quickly adjust the 130-180 mm travel window to accommodate new product lengths on a packaging line without swapping cylinders.
End-Position Tuning
Fine-tune the retract stop during commissioning to achieve exact positioning without machining external spacers.
Variable Stops
Set precise rejection distances for different package sizes on a conveyor system using the rear adjustment screw.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX180-50S the Right Cylinder?
Choose this 32 mm bore cylinder when an application requires 402 N of push force at 0.5 MPa but demands variable end-stops for product changeovers. If your process needs less force, stepping down is not an option in this series family, but if you require significantly higher thrust, consider the 40 mm bore which provides 628 N. The adjustable stroke is selected over a fixed SAI cylinder when fine-tuning the end position at commissioning is easier than adding external stops. For load-holding without live air pressure, this cylinder is insufficient; the rear adjuster is a stop, not a lock, so you would need an SAIL or BSAI cylinder instead.
Because the 180 mm stroke is relatively short, side-load stress on the 12 mm rod is moderate, but an external guide is still recommended for heavy lateral loads. The PT tapered port threads ensure a tight, reliable pneumatic connection at the G1/8 ports. Operating speed ranges from 30 to 800 mm/s.
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 SAIJ32AX180-50S FAQ
The rear adjuster screw lets you shorten the effective stroke by up to 50 mm, providing a usable travel window of 130 to 180 mm. It acts as a mechanical stop to fine-tune the end position without changing the cylinder.
At 0.5 MPa operating pressure, the SAIJ32X180-50-S provides 402 N of push force and 345 N of pull force. It can deliver up to 724 N of push force at 0.9 MPa.
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