Airtac SAU Standard Air Cylinder SAU100X240
The AirTAC Airtac SAU Standard Air Cylinder SAU100X240 is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 240mm 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
- Stroke240 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- CushionAdjustable, 29 mm
About the Airtac SAU Standard Air Cylinder SAU100X240
The AirTAC SAU100X240 is a double-acting profile-type cylinder engineered for heavy-duty automation. It features an extruded aluminum barrel with an integrated sensor groove and adjustable air cushions at both ends. Delivering a robust 3927 N push force at 0.5 MPa, it is specifically designed to be shorter and more compact than an ISO 15552 cylinder of the same bore, saving valuable machine space without sacrificing power.
This model uses a 1/2 inch air port and a 25 mm carbon steel rod with an M20x1.5 thread. For practical sizing, plan for a safe working load of roughly 2356 N, which accounts for seal friction at 0.5 MPa. In a vertical lift scenario, it can handle about 200 kg with a 2:1 safety margin. Note that this specific SKU lacks the -S magnet, meaning it cannot support CMSG, DMSG, or EMSG magnetic switches.
Airtac SAU Standard Air Cylinder SAU100X240 Technical Specifications
| Model | Airtac SAU Standard Air Cylinder SAU100X240 |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 240 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 SAU100X240
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×240 | 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 SAU100X240 Is Used
Heavy Stamping Press
Drives the lower die holder in a 200 kg metal stamping fixture, utilizing the 240 mm stroke to clear the work area for robotic loading.
Pallet Dispenser
Pushes empty wooden pallets into a high-speed packaging line, relying on the 3927 N push force to overcome stack friction.
Injection Mold Ejector
Acts as a secondary ejector for large plastic automotive parts, using its compact profile to fit within tight mold bases.
Is the Airtac SAU Standard Air Cylinder SAU100X240 the Right Cylinder?
When sizing this 100 mm bore actuator, consider stepping down to the 80 mm bore if your application only requires 2513 N of push force at 0.5 MPa, as it offers a smaller footprint and lower air consumption. If you need even more power, you have already reached the top of the SAU range. For mounting, this cylinder shares identical accessories with the AirTAC SC series, including LB foot, FA/FB flange, and CA/CB clevis brackets.
Because this is a plain double-acting cylinder, it will not hold a load if air pressure drops or the valve is centered; the piston will drift, and the adjustable cushion only decelerates the piston near the end of stroke rather than acting as a brake. To suspend a load safely, integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
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 SAU100X240 FAQ
The SAU100X240 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, and at 0.9 MPa it is 7068 N. The theoretical maximum force is 801 kgf at 1.0 MPa. This 100 mm bore model features a 1/2 inch air port and an adjustable air cushion of 29 mm at both ends.
No, the SAU is a compact profile cylinder and is not dimensionally interchangeable with ISO 15552 standards. However, it shares the exact same mounting accessories as the AirTAC SC series, allowing you to use LB foot, FA/FB flange, and CA/CB clevis brackets. Additionally, this SKU lacks a magnet, so it cannot be used with magnetic sensors.
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