Airtac SAU Standard Air Cylinder SAU100X425
The AirTAC Airtac SAU Standard Air Cylinder SAU100X425 is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 425mm stroke, 1/2" air ports and adjustable end cushioning. Its hard-anodized aluminum-profile barrel is shorter than an ISO 15552 cylinder of the same bore, and it shares SC-series mounting accessories.
- BoreØ100 mm
- Stroke425 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAU Standard Air Cylinder SAU100X425
The AirTAC SAU100X425 is a double-acting profile-type cylinder engineered for heavy-duty automation. It delivers a robust 3927 N push and 3681 N pull at 0.5 MPa, utilizing a 1/2 inch air port and an M20x1.5 rod thread. Its extruded aluminum barrel with an integrated sensor groove makes it significantly shorter and more compact than a standard ISO 15552 cylinder of the same bore, providing a critical space advantage in large machinery.
For practical sizing, plan for a safe working load of about 2356 N, which accounts for seal friction at 0.5 MPa. This bore also translates to a vertical lift capacity of roughly 200 kg when applying a 2:1 safety margin. Because this specific SKU lacks the -S magnet option, it cannot accept CMSG, DMSG, or EMSG magnetic switches. If your application involves high heat, you can specify the Viton H seal option to raise the operating temperature limit from 70 C to 150 C.
Airtac SAU Standard Air Cylinder SAU100X425 Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU100X425 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 425 mm |
| Acting type | Double acting |
| Port size | 1/2" |
| 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, 29 mm |
| Max stroke | Up to 1500 mm |
Specifications follow the official AirTAC SAU series datasheet. Confirm against the product label before installation. Thread options: PT (blank) / G (BSPP). A high-temperature seal (0-150 °C) is available.
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 SAU Standard Air Cylinder SAU100X425
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×425 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAU-family variants: SAUD (double rod), SAUJ (adjustable stroke), SAUF (with built-in solenoid valve), and SAU-S with built-in magnet. Seals: TPU (blank) / Viton H / NBR N. Sensor switches: CMSG / DMSG / EMSG.
Where the Airtac SAU Standard Air Cylinder SAU100X425 Is Used
Heavy Stamping Press
Drives a heavy stamping die with a 425 mm stroke, utilizing the 3927 N push force to form thick metal components securely.
Pallet Dispenser
Indexes empty pallets in a high-throughput logistics line, where the compact profile saves valuable floor space.
Vertical Lift Gate
Raises a 150 kg material lift gate, relying on the smooth 30-800 mm/s speed range and robust 25 mm piston rod.
Is the Airtac SAU Standard Air Cylinder SAU100X425 the Right Cylinder?
When sizing this actuator, compare it against adjacent bores to ensure optimal performance. Stepping down to an 80 mm bore reduces the 0.5 MPa push force to 2513 N, while stepping up is not available as 100 mm is the maximum SAU capacity. This 100 mm model shares mounting accessories with the AirTAC SC series, including LB foot, FA/FB flange, and CA/CB clevis brackets.
Because the 425 mm stroke is substantial, you must account for side-load and rod-bending risks; always use an external guide to support the load and prevent premature seal wear. Note that the adjustable air cushion at both ends only decelerates the piston near the stroke limits and does not function as a brake. If the machine loses air pressure, the piston will drift, so install an external rod lock or pilot-operated check valve to hold a suspended load safely.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/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 — same as SC).
- check Installation by qualified personnel per AirTAC docs.
Airtac SAU Standard Air Cylinder SAU100X425 FAQ
This 100 mm bore cylinder features a 1/2 inch air port and delivers a push force of 3927 N and a pull force of 3681 N at 0.5 MPa. At 0.7 MPa, the push force is 5497 N. The theoretical maximum force is 801 kgf at 1.0 MPa.
No, the SAU is a profile-type cylinder that is shorter than an ISO 15552 unit, but it is not dimensionally interchangeable with ISO standards. You must use AirTAC SC-series mounting accessories, such as LB foot, FA/FB flange, or CA/CB clevis brackets.
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