
The AirTAC Airtac SAUD Double Rod Cylinder SAUD50X475S is a genuine double-acting profile-type standard air cylinder with a Ø50mm bore and 475mm stroke, 1/4" 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 SAUD50X475S is a double-acting, double-rod profile cylinder. Because a rod exits both ends, the push and pull force is identical, delivering 825 N each way at 0.5 MPa. The extruded aluminum barrel makes it shorter than an ISO 15552 cylinder of the same bore. This -S variant includes a piston magnet for CMSG, DMSG, or EMSG switches.
With a 475 mm stroke, external guides are recommended to prevent rod bending under side loads. The 1/4" port and M16x1.5 rod thread handle speeds of 30-800 mm/s. Based on the 0.5 MPa output, the safe working load is roughly 495 N, allowing a vertical lift of about 42 kg with a 2:1 margin.
| Model | Airtac SAUD Double Rod Cylinder SAUD50X475S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø50 mm |
| Stroke | 475 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M16×1.5 |
| 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, 21 mm |
| Max stroke | Up to 1200 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 | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 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. |
|---|---|
| 50 | Bore size in mm. |
| ×475 | 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 two synchronized workpieces from opposite rod ends to keep cycle times matched without adding a second cylinder.
Uses the dual rods to resist twist during vertical elevation, maintaining precise vertical alignment over the 475 mm travel.
Mounts a CMSG or DMSG switch target on the rear protruding rod to confirm position without cluttering the primary work area.
Choose this 50 mm bore when you need 825 N of equal force in both directions. Sizing down, the 40 mm bore provides 528 N both ways; sizing up, the 63 mm bore yields 1402 N. The double-rod layout is ideal for anti-rotation tasks, driving twin tooling, or mounting a switch cam on the back rod. Mounting fits AirTAC SC series FA flange and LB foot brackets. At 475 mm stroke, add external load guides to absorb side loads and prevent rod bending.
Quick checklist
Force is equal in both directions because rods exit both ends. It provides 825 N at 0.5 MPa, 1154 N at 0.7 MPa, and 1484 N at 0.9 MPa. The 1/4" port supplies air to both chambers.
No, the adjustable air cushions only decelerate the piston near stroke end. To prevent drift on air loss, install an external rod lock or pilot-operated check valve.
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