
The AirTAC Airtac SAU Standard Air Cylinder SAU100X35S is a genuine double-acting profile-type standard air cylinder with a Ø100mm bore and 35mm 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.
The AirTAC SAU100X35S is a double-acting profile-type cylinder engineered for heavy-duty tasks within a tight footprint. Because it uses an extruded aluminum barrel rather than a standard ISO 15552 body, it is noticeably shorter while still delivering immense thrust. It pushes with 3927 N and pulls with 3681 N at 0.5 MPa, peaking at a theoretical 801 kgf at 1.0 MPa. The 1/2" port and M20x1.5 rod thread handle high airflow to drive the 25 mm rod rapidly across the 35 mm stroke.
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, this translates to hoisting about 200 kg with a 2:1 safety margin. The built-in -S piston magnet allows direct mounting of CMSG, DMSG, or EMSG switches into the barrel groove for precise end-of-stroke detection. If your environment exceeds the standard -20 to +70 C range, specifying the Viton H seal option extends thermal stability up to 150 C.
| Model | Airtac SAU Standard Air Cylinder SAU100X35S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø100 mm |
| Stroke | 35 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.
| 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.
| SAU | Profile-type standard cylinder series. |
|---|---|
| 100 | Bore size in mm. |
| ×35 | 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.
Drives a heavy gripper to feed thick steel blanks into a mechanical stamping press, utilizing the 3927 N push force to overcome material friction.
Lifts loaded pallets weighing up to 200 kg vertically out of a storage magazine, relying on the compact profile to fit within tight conveyor spacing.
Applies high clamping pressure to hold heavy industrial molds together during resin injection, using the 1/2" port for rapid pressure buildup.
When sizing this 100 mm bore, compare it directly against its neighbors to ensure you are not over-engineering. Stepping down to an 80 mm bore yields 2513 N of push force at 0.5 MPa, whereas this 100 mm unit provides 3927 N. Since there is no larger standard SAU bore, if your application requires more than the 7068 N available at 0.9 MPa, you will need to explore a multi-cylinder setup. The 35 mm stroke is very short, so side-load stress on the rod is minimal, but always ensure rigid mounting using SC-series FA or FB flanges.
Remember that an unpowered SAU100X35S will drift if air pressure drops or the control valve centers. The adjustable 29 mm air cushions at both ends only serve to decelerate the piston near the stroke limits; they do not act as a braking mechanism. To suspend a load safely during an emergency stop, integrate an external pilot-operated check valve or a dedicated rod lock.
Quick checklist
At 0.5 MPa, the push force is 3927 N and the pull force is 3681 N. At 0.7 MPa it pushes 5497 N, and at 0.9 MPa it pushes 7068 N. The theoretical maximum force is 801 kgf at 1.0 MPa. It features a 100 mm bore, 35 mm stroke, 1/2" port, M20x1.5 rod thread, and operates at speeds between 30-800 mm/s.
No, it is not an ISO 15552 cylinder and will not match that footprint. It is a compact profile cylinder that shares mounting accessories specifically with the AirTAC SC series, such as LB foot, FA flange, and CA clevis brackets. Because this SKU includes the -S magnet, you can mount CMSG, DMSG, or EMSG switches directly into the barrel groove.
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