Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-50S
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-50S 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 SAIJ100BX650-50S
The AirTAC SAIJ100X650-50-S is a double-acting ISO 15552 profile cylinder with a 100mm bore and a 650mm stroke. It features a rear adjuster screw that creates a 600 to 650mm usable travel window, letting you dial in the exact end position during commissioning. The SUS304 stainless steel rod is built for corrosive environments, and the integrated magnet supports CMSE reed and DMSE electronic sensors for position feedback.
Delivering 7068N of push force at 0.9 MPa, this model handles heavy loads with ease. The extruded aluminum barrel includes sensor grooves on both sides, and the G1/2 port manages the required air volume. The rear stopper fine-tunes travel but does not hold the load without live air pressure.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-50S Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-50S |
|---|---|
| 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 SAIJ100BX650-50S
| 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 SAIJ100BX650-50S Is Used
Variable End-Stop Tuning
Dial in the exact 600 to 650mm travel distance during machine commissioning to accommodate varying product lengths without mechanical rebuilds.
Heavy Assembly Press
Leverage the 7068N push force at 0.9 MPa to seat heavy components, using the adjustable stop to prevent over-travel on delicate parts.
Corrosive Environment Actuation
Utilize the SUS304 stainless steel rod in washdown or chemical processing areas while tracking position via DMSE solid-state sensors.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX650-50S the Right Cylinder?
Choose this 100mm bore when you need substantial thrust that smaller bores cannot provide, such as stepping up from a 63mm bore that only yields 2805N at 0.9 MPa. The 50mm adjustment range is ideal for product changeovers on a line, allowing you to reposition the end stop without swapping the cylinder or adding external stops. For any load-holding requirements without continuous air pressure, consider the SAIL or BSAI series, as the SAIJ adjuster is only a stop.
Because this cylinder has a 650mm stroke, the 25mm rod diameter needs external guidance to prevent side-load damage over long unsupported travel. It uses a PT tapered port thread and supports mounting options including Basic, FA, LB, TC, FTC, TCM1, and TCM2. It is dimensionally interchangeable per ISO 15552.
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 SAIJ100BX650-50S FAQ
At 0.9 MPa, this 100mm bore cylinder provides 7068N of push force and 3681N of pull force. It can deliver a maximum of 801 kgf at 1.0 MPa.
The rear adjuster screw lets you shorten the effective travel from 650mm down to 600mm. It acts as a mechanical stop to fine-tune the retract position, but it is not a lock and will not hold the load without live air pressure.
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