Fire-fighting pipeline pressure gauge

The utility model discloses a fire-fighting pipeline pressure gauge, which structurally comprises a gauge body and a gauge pipe connected with the gauge body, a filter valve is arranged on the gauge pipe, a material-wrapping filter element is arranged in a side cavity in the filter valve, the material-wrapping filter element comprises a base cylinder and a filter screen, the filter screen is arranged on the base cylinder, the base cylinder is arranged in the side cavity, and the filter screen is arranged in the side cavity. According to the utility model, the wrapping material filter element is adopted in the filter valve, the filter screen is arranged in the base cylinder of the wrapping material filter element, and when water flows back, the water passing hole of the base cylinder is blocked by the floating bead, so that the space in the base cylinder is closed, and the water passing hole is communicated with the interior of the base cylinder and the water inlet of the filter valve. When the filter screen i