Airtac SAIJ100 Adjustable Cylinder SAIJ100BX200-100
The AirTAC Airtac SAIJ100 Adjustable Cylinder SAIJ100BX200-100 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 200mm 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
- Stroke200 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX200-100
The AirTAC SAIJ100X200-100 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It features a 200 mm nominal stroke that can be dialed back by up to 100 mm, providing a wide 100-200 mm usable travel window for highly flexible positioning. Belonging to the 100 mm bore class, it delivers 3927 N of push force at 0.5 MPa and utilizes a G1/2 port to cycle at speeds between 30-800 mm/s.
This variant incorporates a SUS304 stainless steel rod (option B) for superior corrosion resistance in harsh environments. The extruded aluminum barrel includes sensor grooves on both sides, allowing for direct mounting of CMSE reed or DMSE electronic switches if a magnet is added later. The rear screw acts purely as a travel stop to fine-tune the end position during commissioning without requiring external physical stops.
Airtac SAIJ100 Adjustable Cylinder SAIJ100BX200-100 Technical Specifications
| Model | Airtac SAIJ100 Adjustable Cylinder SAIJ100BX200-100 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 200 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 SAIJ100BX200-100
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×200 | 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 SAIJ100BX200-100 Is Used
Variable Product Changeover
Dial the stroke back from 200 mm to 100 mm instantly during production line changeovers to accommodate different package sizes without swapping hardware.
Machine Setup Calibration
Fine-tune the exact end-of-stroke position during initial commissioning to perfect pressing or forming forces without machining custom spacers.
Harsh Environment Actuation
Leverage the SUS304 stainless steel rod for pushing heavy 3927 N loads in washdown or corrosive manufacturing settings requiring precise travel limits.
Is the Airtac SAIJ100 Adjustable Cylinder SAIJ100BX200-100 the Right Cylinder?
Select this 100 mm bore cylinder when an application requires substantial thrust combined with variable end-position tuning. If the 3927 N push force at 0.5 MPa exceeds your requirements, stepping down to an 80 mm bore yields 2513 N; conversely, a 125 mm bore provides 6136 N for heavier loads. The SAIJ series is chosen over a fixed-stroke SAI cylinder when a machine handles frequent product changeovers, allowing operators to dial in the 100-200 mm travel window on the fly.
For a direct ISO 15552 replacement match, ensure your specifications call for a 100 mm bore, 200 mm stroke, up to 100 mm adjustment, PT tapered port threads, and no magnet. Because the nominal stroke is 200 mm, side-load stress is moderate, but always ensure proper external guiding for optimal seal longevity. Note that the rear adjuster and air cushions only decelerate the load; they do not hold position without live air, so consider an external rod lock or SAIL cylinder if load-holding is required.
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 SAIJ100BX200-100 FAQ
At a 0.5 MPa operating pressure, this 100 mm bore cylinder provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
The rear adjuster screw allows you to shorten the effective travel by up to 100 mm from the 200 mm nominal stroke, creating a 100-200 mm usable window. It functions as a physical stop and does not lock the load without continuous air pressure.
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