Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-10S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-10S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 650mm stroke, G1/2 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ100 mm
- Stroke650 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-10S
The AirTAC SAIJ100X650-10-S is a double-acting ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a 640-650mm usable travel window, allowing you to dial back the nominal 650mm stroke by up to 10mm during commissioning. Delivering 3927N of push force at 0.5 MPa, it is built for heavy-duty positioning. The piston rod uses SUS304 stainless steel (code B) for superior corrosion resistance, and the -S magnet enables direct mounting of CMSE reed and DMSE electronic sensors along the dual-side extruded barrel grooves.
This adjustable-stroke design eliminates the need to swap cylinders or bolt on external stops when fine-tuning the retract end position. The rear screw acts purely as a travel stop to set the end-of-stroke deceleration point alongside the standard air cushions; it is not a lock and will not hold a load without live air pressure. For load-holding requirements without continuous air, consider the SAIL or BSAI series instead.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-10S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-10S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 650 mm |
| Acting type | Double acting |
| Port size | G1/2 |
| Rod thread | M20×1.5 |
| 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, 36 mm |
| Max stroke | Up to 1500 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-10S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | 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 SAIJ100 Adjustable Cylinder SAIJ100BX650-10S Is Used
Machine Changeover
Dial in the exact retract position within a 640-650mm window during product size changes without physically swapping the cylinder or adding external mechanical stops.
Heavy-Duty Positioning
Leverage 3927N of push force at 0.5 MPa to move substantial masses, using the 10mm rear adjuster to fine-tune the final end-stop deceleration point accurately.
Corrosive Assembly Lines
Utilize the SUS304 stainless steel piston rod for environments requiring high corrosion resistance, while relying on the -S magnet for electronic DMSE position sensing.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-10S the Right Cylinder?
Choose this 100mm bore cylinder when an application demands high thrust (3927N push at 0.5 MPa) alongside precise end-position tuning. If your setup requires less force, stepping down to an 80mm bore yields 2513N push at 0.5 MPa. The adjustable 10mm window is highly beneficial for machine changeovers, allowing operators to trim the 650mm travel back to 640mm without replacing the actuator. Because the 650mm stroke is relatively long, the 25mm rod diameter and M20x1.5 rod thread provide robust support, but an external guide rail is strongly recommended to prevent excessive side-loading on the piston rod.
As a dimensionally interchangeable ISO 15552 profile cylinder, it replaces equivalent standard profile cylinders using a PT tapered port thread and a reduced SAIJ mounting set (Basic, FA, LB, TC, FTC, TCM1, TCM2). It omits FB, CA, CB, and CR mounting styles. The integrated -S magnet works seamlessly with AirTAC CMSE and DMSE sensors for position feedback.
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 SAIJ100 Adjustable Cylinder SAIJ100BX650-10S FAQ
At 0.5 MPa operating pressure, this 100mm bore cylinder provides 3927N of push force and 3681N of pull force. At the maximum operating pressure of 1.0 MPa, it delivers up to 801 kgf.
The rear adjuster screw allows you to shorten the effective travel by up to 10mm, creating a 640-650mm usable stroke window. It functions as a mechanical stop to set the end position and does not lock or hold the load without continuous air pressure.
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