
The AirTAC B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X150S is a genuine double-acting profile-type standard air cylinder with a Ø80mm bore and 150mm stroke, 3/8" 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-SAUD80X150S is an AirTAC double-acting, double-rod profile cylinder. The B04- prefix marks this as the construction-machinery dedicated variant of the SAUD80X150S, mechanically identical to the base model. A rod exits both ends on one piston, meaning both faces use the rod-side area. Output force is equal both ways at 2268 N each way at 0.5 MPa. The 3/8 inch port and M20x1.5 rod thread handle robust pneumatic flows.
This extruded aluminum profile barrel is shorter than an ISO 15552 cylinder of the same bore. The twin rods provide anti-rotation guidance and can drive two tools simultaneously. The -S suffix adds a piston magnet for CMSG or DMSG switches. A plain cylinder drifts on air loss; the cushion only decelerates, so use an external rod lock for held loads.
| Model | Airtac B04-SAUD Construction Machinery Dedicated Standard Cylinder B04-SAUD80X150S |
|---|---|
| Series | SAU profile-type cylinder |
| Bore size | Ø80 mm |
| Stroke | 150 mm |
| Acting type | Double acting |
| Port size | 3/8" |
| 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, 28 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 | 2268 N | 2268 N |
| 0.7 MPa | 3175 N | — |
| Max (@1.0 MPa) | 463 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. |
|---|---|
| 80 | Bore size in mm. |
| ×150 | 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 dual pilot valves in heavy equipment with equal push and pull force, preventing rotational drift during hydraulic directional changes.
Synchronously operates two material gates at once using both rod ends, ensuring balanced aggregate flow on construction sites.
Provides non-rotating ejection force for precast concrete forms, using the back rod to trip a CMSG sensor for timing confirmation.
Size both ways: the 63 mm bore yields 1402 N, while the 100 mm bore yields 3681 N, both equal in push and pull at 0.5 MPa. Choose this 80 mm double-rod model when your construction machinery needs anti-rotation stability, twin tooling, or back-end sensing. Mounting is limited to Basic, FA, and LB types, compatible with the AirTAC SC series. The -S magnet enables position sensing. Because the stroke is 150 mm, external guide rails are recommended to manage side loads and prevent binding.
Quick checklist
The B04- prefix marks this as the construction-machinery dedicated variant of the SAUD80X150S, sharing identical specs. Force is equal both ways because of the double rod: 2268 N at 0.5 MPa, 3175 N at 0.7 MPa, and 4082 N at 0.9 MPa. The 3/8 inch port feeds the 25 mm rods.
The twin rods provide anti-rotation guidance and allow driving two tools or mounting a sensor cam on the back end. The extruded profile barrel is shorter than an ISO 15552 cylinder of the same bore. A Viton H seal option raises the operating temperature to 150 C.
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