Airtac SAI100 Standard Air Cylinder SAI100AX425S
The AirTAC Airtac SAI100 Standard Air Cylinder SAI100AX425S is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø100mm bore and 425mm 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
- Stroke425 mm
- Port sizeG1/2
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 36 mm
About the Airtac SAI100 Standard Air Cylinder SAI100AX425S
The AirTAC SAI100X425-S is a double-acting ISO 15552 profile cylinder engineered for heavy-duty automation. Delivering a robust 3927 N of push force at 0.5 MPa, this 100 mm bore unit is tailored for a 425 mm stroke. The integrated magnet allows seamless position tracking with CMSE or DMSE switches fitted directly into the dual sensor grooves on the extruded aluminum barrel.
Built to withstand demanding environments, this variant features an SUS420J2 stainless steel piston rod (material code A) for superior corrosion resistance. The PT tapered port threads ensure a tight, reliable pneumatic connection. As a true ISO 15552 standard cylinder, it provides a dimensionally interchangeable drop-in replacement for other ISO 15552 profile cylinders without brand-specific constraints.
Airtac SAI100 Standard Air Cylinder SAI100AX425S Technical Specifications
| Model | Airtac SAI100 Standard Air Cylinder SAI100AX425S |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø100 mm |
| Stroke | 425 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 SAI100AX425S
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×425 | 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 SAI100AX425S Is Used
Heavy-Duty Pressing
Provides the 3927 N force needed to seat bearings and assemble heavy mechanical components securely.
Pallet Diverting
Handles large product diversion on wide conveyor lines using the 425 mm stroke and robust guidance.
Automated Forming
Drives heavy metal forming or bending fixtures where high thrust and long travel distances are required.
Is the Airtac SAI100 Standard Air Cylinder SAI100AX425S the Right Cylinder?
Selecting this 100 mm bore is ideal when a 80 mm bore (providing 2513 N push at 0.5 MPa) lacks the necessary thrust for your heavier payloads. Because this model features a 425 mm stroke, the extended rod is susceptible to bending under side loads. To prevent premature rod-bearing wear, utilize an external guide rail or a fully guided cylinder to absorb lateral forces. If your machinery requires the load to stay suspended without continuous air pressure, the standard SAI will drift; utilize the SAIL (air-released lock) or BSAI (clamp-lock) variants for secure holding. Replacement matches: 100 mm bore, 425 mm stroke, PT G1/2 port, standard mounting accessories (FA/LB/TC), and magnet (-S).
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 SAI100AX425S FAQ
At an operating pressure of 0.5 MPa, this double-acting cylinder provides 3927 N of push force and 3681 N of pull force. At 0.7 MPa, the push force increases to 5497 N.
No, the standard SAI cylinder does not hold position when air is exhausted. The adjustable air cushion only decelerates the piston at stroke end. For secure load holding without live pressure, use the SAIL or BSAI variant.
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