Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20S
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20S 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 SAIJ32AX240-20S
The AirTAC SAIJ32X240-20-S is a double-acting ISO 15552 profile cylinder featuring a rear stroke adjuster. It provides a usable travel window of 220 to 240 mm, allowing you to dial in the exact retract position during commissioning. The 32 mm bore delivers 402 N of push force at 0.5 MPa, making it suited for lighter-duty tasks.
This variant includes a SUS420J2 stainless steel rod and a magnet for position sensing. It uses a PT tapered port and supports AirTAC CMSE reed and DMSE electronic switches. The rear adjuster functions strictly as a travel stop for end-position tuning, not as a lock, so live air is required to hold the load.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20S Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20S |
|---|---|
| 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 SAIJ32AX240-20S
| 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 SAIJ32AX240-20S Is Used
Machine Changeover
Dial in the retract position by up to 20 mm during product size changes without swapping the cylinder or adding external mechanical stops.
End-Stop Calibration
Fine-tune the final end position during machine commissioning to achieve precise alignment in light-duty assembly tasks.
Sensor Integration
Utilize the built-in magnet with CMSE reed or DMSE electronic sensors mounted in the dual-side barrel grooves for exact positioning.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX240-20S the Right Cylinder?
Select this 32 mm bore when you need precise retract endpoint control without adding external stops. If your application requires greater thrust, stepping up to the 50 mm bore yields 982 N of push force at 0.5 MPa. For fixed travel without the adjustment screw, the standard SAI series is the alternative.
This SAIJ32X240-20-S is dimensionally interchangeable per ISO 15552. It features a 240 mm stroke, 20 mm adjustment range, PT G1/8 port, and a -S magnet. It uses the reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). Since the stroke is under 300 mm, side-load risks are minimal, but always guide unsupported loads.
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 SAIJ32AX240-20S FAQ
At 0.5 MPa operating pressure, the 32 mm bore provides 402 N of push force and 345 N of pull force. It can reach up to 724 N of push force at 0.9 MPa.
The rear adjuster acts as a mechanical stop that lets you shorten the effective stroke from 240 mm down to 220 mm. It is a travel stop for tuning, not a lock, so it will not hold the load without live air pressure.
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