Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-30
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-30 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 SAIJ32AX650-30
The AirTAC SAIJ32X650-30 is a double-acting ISO 15552 profile cylinder featuring a rear-mounted stroke adjuster. It provides a usable travel window of 620 to 650 mm, allowing you to dial back the end-of-stroke position by up to 30 mm during commissioning. Built with a SUS420J2 stainless steel rod and PT tapered ports, it delivers a 0.5 MPa push force of 402 N.
Because the adjuster acts purely as a mechanical stop at the retract end, it cannot hold a load without live air pressure. The extruded aluminum barrel includes sensor grooves on both sides for flexible positioning, and the mounting interface is dimensionally interchangeable with ISO 15552 cylinders.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-30 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-30 |
|---|---|
| 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 SAIJ32AX650-30
| 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 SAIJ32AX650-30 Is Used
Machine Setup Tuning
Dial in the exact retract distance within the 620-650 mm window during initial machine commissioning without changing hardware.
Product Changeover
Quickly adjust the end-stop by up to 30 mm to accommodate varying product sizes on a shared production line.
Variable End Stops
Fine-tune the final positioning of tooling or fixtures where a fixed 650 mm stroke would cause mechanical crashes.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-30 the Right Cylinder?
Choose this 32 mm bore when you need precise end-position tuning without swapping cylinders or adding external stops. If your application requires higher thrust, stepping up to the 40 mm bore increases the 0.5 MPa push force to 628 N. For load-holding without continuous air pressure, consider the SAIL or BSAI series instead of relying on the rear stopper.
At a 650 mm stroke, the 12 mm rod is susceptible to side-loading forces. To prevent premature seal wear and binding, always guide the load externally. When replacing an ISO 15552 unit, match the 32 mm bore, 650 mm stroke, 30 mm adjustment, PT port thread, and standard 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 SAIJ32AX650-30 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides a push force of 402 N and a pull force of 345 N. The operational speed range is 30-800 mm/s.
The rear adjuster screw acts as a mechanical stop that shortens the 650 mm nominal stroke by up to 30 mm, giving an effective travel window of 620 to 650 mm. It requires live air pressure to function and does not lock the load.
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