Airtac SAI100 Standard Air Cylinder SAI100BX20S
The AirTAC Airtac SAI100 Standard Air Cylinder SAI100BX20S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 20mm 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
- Stroke20 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI100 Standard Air Cylinder SAI100BX20S
The AirTAC SAI100X20-S is a double-acting ISO 15552 profile cylinder engineered for high-force, short-stroke tasks. It yields 3927 N of push force and 3681 N of pull force at 0.5 MPa, making it highly effective for compact pressing and heavy clamping. The extruded aluminum barrel design omits tie rods while maintaining strict dimensional interchangeability with standard ISO 15552 mounting interfaces.
This specific configuration includes a SUS304 stainless steel rod for superior corrosion resistance and a built-in magnet (-S) for seamless position detection using CMSE or DMSE switches. The barrel features dual sensor grooves on both sides, simplifying switch installation, while its PT tapered port threads guarantee a reliable, leak-free pneumatic connection.
Airtac SAI100 Standard Air Cylinder SAI100BX20S Technical Specifications
| Model | Airtac SAI100 Standard Air Cylinder SAI100BX20S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 20 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 SAI100 Standard Air Cylinder SAI100BX20S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×20 | 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 SAI100 Standard Air Cylinder SAI100BX20S Is Used
Heavy-Duty Stamping
Provides 3927 N of thrust for short-stroke metal forming, riveting, and stamping tasks within confined machinery spaces.
Rigid Clamping Jigs
Secures heavy workpieces during machining or welding, utilizing the robust 100 mm bore and SUS304 rod for durability.
High-Force Ejection
Ejects dense molded parts or compacted materials from press cavities rapidly over a compact 20 mm travel distance.
Is the Airtac SAI100 Standard Air Cylinder SAI100BX20S the Right Cylinder?
Choose this 100 mm bore when a 80 mm bore (2513 N push at 0.5 MPa) cannot supply adequate thrust for your pressing or clamping application. The 20 mm stroke is optimal for rapid, short movements. Because the stroke is short, rod-bearing bending is negligible, but if your application involves heavy off-center loads, consider an external guide rod to prevent premature seal wear.
For drop-in replacements, match the 100 mm bore, 20 mm stroke, PT G1/2 port, and the -S magnet requirement. If your machinery loses air pressure, this cylinder will not hold its load; the adjustable air cushions only decelerate the piston near stroke end. For true position holding, specify the SAIL (air-released lock) variant or an external pilot-operated check valve.
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 SAI100 Standard Air Cylinder SAI100BX20S FAQ
At 0.5 MPa, the push force is 3927 N and the pull force is 3681 N. At 0.7 MPa, the push force increases to 5497 N.
Yes, the SAI100X20-S is dimensionally interchangeable per ISO 15552. Match the 100mm bore, 20mm stroke, and mounting accessories for a seamless drop-in installation.
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