
The AirTAC Airtac SAUD Double Rod Cylinder SAUD32X20S is a genuine double-acting profile-type standard air cylinder with a Ø32mm bore and 20mm stroke, 1/8" 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 SAUD32X20S is a double-acting, double-rod profile cylinder. A rod protrudes from both ends, meaning push and pull forces are identical at 345 N each way at 0.5 MPa. The extruded aluminum barrel makes it shorter than an ISO 15552 cylinder of the same 32 mm bore. It features a 1/8 inch port and an M10x1.25 rod thread.
This unit includes the -S magnet option for CMSG, DMSG, or EMSG switches. With a 345 N output, the computed safe working load is roughly 207 N, translating to a vertical lift capacity of about 18 kg with a 2:1 safety margin. For high-temperature environments up to 150 C, Viton H seals are available.
| Model | Airtac SAUD Double Rod Cylinder SAUD32X20S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø32 mm |
| Stroke | 20 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 1000 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 | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 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. |
|---|---|
| 32 | Bore size in mm. |
| ×20 | 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 parallel pickers simultaneously from both rod ends, ensuring perfectly synchronized part transfer without torsional twist.
Uses the rear protruding rod to physically trip an external limit switch, confirming the blade position before the cutting stroke completes.
Mounts a small marking stamp on one end and a counterweight on the other to cycle a balanced imprint operation on thin metal stock.
Choose this 32 mm bore delivering 345 N equal force when you need anti-rotation guidance or twin tooling. If less force is required, step down is not an option as 32 mm is the smallest. If more force is needed, step up to the 40 mm bore yielding 528 N both ways. Mounting is limited to Basic, FA flange, and LB foot styles matching the AirTAC SC series. The -S suffix enables electronic position sensing. With a 20 mm stroke, side-load guides are minimal, but always support external bearings for longer travels.
Quick checklist
Because it is a double-rod cylinder, the force is equal in both directions: 345 N at 0.5 MPa, 483 N at 0.7 MPa, and 621 N at 0.9 MPa.
No. A plain cylinder drifts on air loss; the adjustable cushion only decelerates near stroke end. Use an external rod lock or pilot-operated check valve for secure load holding.
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