Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-40
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-40 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 SAIJ32AX650-40
The AirTAC SAIJ32X650-40 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 610-650 mm usable travel window by allowing you to trim the 650 mm nominal stroke back by up to 40 mm. In the 32 mm bore class, it delivers 402 N of push force and 345 N of pull force at 0.5 MPa, operating efficiently between 30-800 mm/s.
This configuration features a SUS420J2 stainless steel rod (material code A) for improved corrosion resistance and PT tapered port threads. The extruded aluminum barrel includes sensor grooves on both sides for flexible switch mounting. Because the stroke is 650 mm, an external guide is highly recommended to prevent excessive side-loading on the rod.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-40 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-40 |
|---|---|
| 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 SAIJ32AX650-40
| 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 SAIJ32AX650-40 Is Used
Variable End-Stop Tuning
Dial in the exact 610 to 650 mm retraction point during machine commissioning to accommodate varying product lengths without changing hardware.
Product Changeover
Quickly adjust the rear stopper by up to 40 mm on a packaging line to handle different package sizes, reducing downtime between production runs.
Long-Stroke Positioning
Use the 650 mm travel to move components across a workstation, relying on the fine-tune adjuster to seat parts gently without shock.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX650-40 the Right Cylinder?
Choose this 32 mm bore cylinder when an application requires precise end-position tuning at commissioning without the need to physically swap cylinders or bolt on external stops. If your setup needs less force, stepping down is not an option below 32 mm in this series, but stepping up to a 40 mm bore yields 628 N of push force at 0.5 MPa. Conversely, if your fixture demands higher thrust, a 50 mm bore provides 982 N.
This model uses PT tapered ports and omits the -S magnet; adding -S enables CMSE reed and DMSE electronic solid-state sensors. The rear adjuster acts strictly as a travel stop and does not hold the load without live air—always use an external rod lock, pilot-operated check valve, or AirTAC SAIL/BSAI series for load-holding. It supports a reduced mounting set of Basic, FA, LB, TC, FTC, TCM1, and TCM2, omitting FB, CA, CB, and CR.
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 SAIJ32AX650-40 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 achieves 82 kgf.
The rear adjuster screw allows you to shorten the effective stroke by up to 40 mm, creating a 610-650 mm travel window. It functions as a mechanical stop to fine-tune the end position and does not lock the load without continuous air pressure.
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