Airtac SAI100 Standard Air Cylinder SAI100AX55S
The AirTAC Airtac SAI100 Standard Air Cylinder SAI100AX55S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 55mm 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
- Stroke55 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI100 Standard Air Cylinder SAI100AX55S
The AirTAC SAI100X55-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty handling. It provides a robust push force of 3927 N at 0.5 MPa, making it well-suited for short-stroke clamping and high-thrust pressing tasks. The 55 mm stroke offers precise movement in compact machinery layouts.
This specific configuration includes a SUS420J2 stainless steel piston rod (material code A) for enhanced corrosion resistance. It is equipped with a magnet (-S) for direct integration with CMSE or DMSE sensor switches, which seat neatly into the dual grooves machined into the extruded aluminum barrel.
Airtac SAI100 Standard Air Cylinder SAI100AX55S Technical Specifications
| Model | Airtac SAI100 Standard Air Cylinder SAI100AX55S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 55 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 SAI100AX55S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×55 | 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 SAI100AX55S Is Used
Heavy-Duty Pressing
Delivers 3927 N of push force at 0.5 MPa for seating bearings and stamping components in automated assembly lines.
Pallet Stopping
Acts as a robust stopper block for heavy pallets, utilizing the 55 mm stroke to halt and hold materials securely during processing.
Industrial Clamping
Provides rigid clamping pressure for large welded frames, ensuring parts remain fixed during machining or fastening operations.
Is the Airtac SAI100 Standard Air Cylinder SAI100AX55S the Right Cylinder?
Select this 100 mm bore actuator when a 80 mm bore falls short, delivering 2513 N at 0.5 MPa, or when the 125 mm class is physically too large. The 55 mm stroke is optimal for applications needing brief, powerful linear displacement. Because the stroke is under 300 mm, rod-bearing bending is minimal, though side loads should still be minimized.
This unit uses a G1/2 port with PT tapered threading. Being a true ISO 15552 profile cylinder, it serves as a drop-in replacement for other ISO 15552 actuators. If your machinery requires position holding without constant air pressure, consider the SAIL locking variant or an external pilot-operated check valve, as standard air cushions only decelerate the piston.
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 SAI100AX55S FAQ
At an operating pressure of 0.5 MPa, this double-acting cylinder generates a push force of 3927 N and a pull force of 3681 N.
Yes. The SAI100X55-S is built to the ISO 15552 standard, making its mounting dimensions interchangeable with other ISO 15552 profile cylinders from various manufacturers.
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