Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 240mm 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
- Stroke240 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-50
The AirTAC SAIJ32X240-50 is a double-acting, single-rod ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a 190-240 mm usable travel window, allowing you to dial back the nominal 240 mm 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, making it well-suited for lighter-duty positioning tasks.
This variant uses a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance and features PT tapered port threads (G1/8). The extruded aluminum barrel includes sensor grooves on both sides for easy switch placement. Note that the rear adjuster acts strictly as a travel stop for end-position tuning; it does not lock or hold the load without continuous live air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 240 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 SAIJ32AX240-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×240 | 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 SAIJ32AX240-50 Is Used
Product Changeovers
Dial in the exact end-position for different package sizes on a packaging line by adjusting the rear stopper from 190 to 240 mm without changing hardware.
Machine Setup
Fine-tune the retract stroke during initial commissioning to perfectly time the 402 N push force against a mechanical stop.
Variable End Stops
Create a custom travel window for testing fixtures where the exact insertion depth of a 12 mm rod needs on-the-fly adjustment.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-50 the Right Cylinder?
Choose this 50 mm adjustable variant when your application requires frequent product changeovers or variable end-stops without swapping the physical cylinder. If your process needs slightly less force, stepping down is not an option in the 32 mm bore size, but stepping up to a 40 mm bore yields 628 N of push force at 0.5 MPa. Conversely, if you require less adjustment range, a fixed-stroke SAI or a smaller -10 adjuster code would reduce the overall rear length.
Because the 240 mm stroke exceeds 300 mm? No, but at 240 mm it is still relatively compact. However, with a 12 mm rod diameter and M10x1.25 thread, you must ensure the load is guided externally to prevent side-load damage. For any load-holding requirements without live air, this cylinder cannot act as a brake; you would need an external pilot-operated check valve or a SAIL/BSAI locking cylinder. When matching for ISO 15552 interchangeability, confirm the 32 mm bore, 240 mm stroke, 50 mm adjuster, PT G1/8 port, and the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2).
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 SAIJ32AX240-50 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 the maximum 1.0 MPa pressure, it can deliver up to 82 kgf.
The rear adjuster screw lets you shorten the effective stroke by up to 50 mm, creating a usable travel window of 190 to 240 mm. It functions as a mechanical stop for end-position tuning and does not hold the load if air pressure is removed.
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