Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 650mm 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
- Stroke650 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50
The AirTAC SAIJ32X650-50 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 600 to 650 mm, allowing you to dial in the exact retract position without adding external stops. The 32 mm bore delivers 402 N of push force at 0.5 MPa, making it suited for lighter-duty positioning tasks.
This unit uses a SUS420J2 stainless steel rod for improved corrosion resistance and features PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch placement. You can pair it with AirTAC CMSE reed or DMSE electronic sensors, though a magnet is required for operation.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 650 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 SAIJ32AX650-50
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×650 | 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 SAIJ32AX650-50 Is Used
Machine Changeover
Dial in the retract stroke from 600 to 650 mm during product size changes without swapping the cylinder or adding external mechanical stops.
End-Position Tuning
Fine-tune the exact retract position at commissioning to perfect the timing of a packaging or assembly process.
Variable End Stops
Adjust the travel end on a diverter arm to handle different package lengths on a shared conveyor line.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-50 the Right Cylinder?
Choose this adjustable model when your machine setup requires fine-tuning the retract distance at commissioning rather than machining a fixed stop. The 12 mm rod and M10x1.25 thread handle moderate side loads, but because the 650 mm stroke is quite long, you should use an external guide rail to prevent rod binding. If your application needs more force, stepping up to the 40 mm bore yields 628 N of push force at 0.5 MPa.
The rear adjuster acts only as a travel stop and does not hold the load without live air pressure. For true load-holding without continuous air, consider the SAIL or BSAI series instead. This cylinder is dimensionally interchangeable with ISO 15552 cylinders and uses a mounting set of Basic, FA, LB, TC, FTC, TCM1, and 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 SAIJ32AX650-50 FAQ
The rear adjuster lets you shorten the effective stroke by up to 50 mm, providing a usable travel window of 600 to 650 mm. It acts as a mechanical stop and does not lock the load without live air pressure.
It delivers 402 N of push force and 345 N of pull force at 0.5 MPa. At 0.7 MPa, the push force increases to 563 N.
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