Airtac SAU Standard Air Cylinder SAU100X300S
The AirTAC Airtac SAU Standard Air Cylinder SAU100X300S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 300mm 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
- Stroke300 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAU Standard Air Cylinder SAU100X300S
The AirTAC SAU100X300S is a double-acting profile-type cylinder with a 100 mm bore and 300 mm stroke. Its extruded aluminium barrel makes it shorter than a same-bore ISO 15552 unit, saving valuable machine space. It delivers a robust 3927 N push and 3681 N pull at 0.5 MPa, operating via a 1/2" port and a 25 mm rod with an M20x1.5 thread.
For practical sizing, plan for a safe working load of roughly 2356 N at 0.5 MPa to account for seal friction. This translates to lifting about 200 kg vertically with a 2:1 safety margin. The included -S magnet enables CMSG, DMSG, or EMSG sensors in the profile groove, while the Viton H seal option raises the operating temperature limit to 150 C.
Airtac SAU Standard Air Cylinder SAU100X300S Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU100X300S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 300 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 SAU100X300S
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×300 | 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 SAU100X300S Is Used
Heavy-Duty Stamping Press
Drives a 150 kg die set with steady force, utilising the 3927 N push capacity at 0.5 MPa to form thick steel components.
Palletised Load Ejection
Pushes heavy finished pallets off a conveyor line, where the 300 mm stroke provides the necessary reach to clear the machinery.
Injection Mould Extraction
Extracts large automotive interior panels from moulding machines, relying on the -S magnet for precise end-of-stroke confirmation.
Is the Airtac SAU Standard Air Cylinder SAU100X300S the Right Cylinder?
When sizing, the 80 mm bore offers 2513 N push at 0.5 MPa, while this 100 mm unit provides 3927 N. If you need more force, 100 mm is the largest available SAU bore. Because this SKU includes the -S magnet, you can directly mount CMSG, DMSG, or EMSG switches for position sensing. Mounting hardware matches the AirTAC SC series, allowing you to use LB foot brackets, FA/FB flanges, or CA/CB clevises.
With a 300 mm stroke, external guide rails are recommended to prevent rod bending and absorb side loads. Note that the adjustable air cushion at both ends only decelerates the piston near the stroke limits; it will not hold a load if air pressure drops. For vertical applications, install an external rod lock or a pilot-operated check valve to prevent drifting.
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 SAU100X300S FAQ
This 100 mm bore cylinder features a 1/2" port and delivers 3927 N push and 3681 N pull at 0.5 MPa. At 0.7 MPa the push force is 5497 N, and the theoretical maximum force is 801 kgf at 1.0 MPa.
No, the SAU is a compact profile cylinder and is not dimensionally interchangeable with ISO 15552 standards. You must use AirTAC SC-series mounting accessories, such as LB foot brackets, FA/FB flanges, or CA/CB clevises.
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