
The AirTAC B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD32X200S is a genuine double-acting profile-type standard air cylinder with a Ø32mm bore and 200mm 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 B04-SAUD32X200S is an AirTAC double-acting double-rod profile cylinder. The B04- prefix marks this as the construction-machinery dedicated variant of the SAUD32X200S, mechanically identical to the base unit. Because a rod exits both ends, the push and pull forces are equal at 345 N each way at 0.5 MPa. The extruded aluminum profile barrel makes it shorter than an ISO 15552 cylinder of the same bore. It features a 1/8" port and a 12 mm rod.
The -S suffix provides a built-in piston magnet for CMSG, DMSG or EMSG switches. You can also specify Viton H seals to raise the operating temperature from 70 C up to 150 C.
| Model | Airtac B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD32X200S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø32 mm |
| Stroke | 200 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 | 346 N | 346 N |
| 0.7 MPa | 484 N | — |
| Max (@1.0 MPa) | 70 kgf | |
Double-rod model: the rod passes through the rear cover, so both piston faces lose rod area and push is shown at the annular-area value. 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. |
| ×200 | 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 dual-action pilot valve assembly on heavy machinery where equal push and pull force prevents linkage binding.
Synchronizes a heavy-duty feed gate on a mobile crusher, using the back rod to trip an external limit switch.
Applies balanced tension to crawler track adjusters, using the twin rods to resist rotational twist under shock.
Size both ways: the 32 mm bore offers 345 N equal force, while stepping up to the 40 mm bore yields 528 N, and dropping to a smaller bore is not available in this series. Choose this double-rod configuration when your construction equipment needs anti-rotation guidance, twin tooling, or a back-end sensor cam. Mounting is limited to Basic, FA flange, and LB foot styles, compatible with the AirTAC SC series. For this 200 mm stroke, ensure external guides support any side loads. The -S magnet enables position sensing.
Quick checklist
The B04- prefix denotes the construction-machinery dedicated variant of the SAUD32X200S, sharing identical specs. Force is equal both ways: 345 N at 0.5 MPa, 483 N at 0.7 MPa, and 621 N at 0.9 MPa. It uses a 1/8" port.
No. A plain cylinder drifts without live air; the adjustable air cushion only decelerates near stroke end. For a locked load, install an external rod lock or pilot-operated check valve. The -S magnet allows CMSG/DMSG/EMSG sensors to confirm position.
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