Gauge outfit of supersound water gauge with pressurization passageway of bleeding

The utility model discloses a gauge outfit of supersound water gauge with pressurization passageway of bleeding, including the gauge outfit casing with set up the output socket assembly on the gauge outfit casing, be provided with flow totalizer in the gauge outfit casing, output socket assembly including the output socket shell body, set up and the communicating output channel of gauge outfit casing inner chamber on this output socket shell body, be provided with the pressurization passageway of bleeding that leads to in succession with the output channel dish on the output socket shell body, the pressurization of should bleeding is provided with the valve inside in the passageway, the outer tip cover of valve inside be equipped with and the bleed sealed complex O type sealing washer of inner wall of pressurization passageway, and should bleed and to dismantle the sealed fixed sealed lock nut that is provided with in the outer tip of pressurization passageway. The utility model has the advantages that the structure sets up rationally to can prevent effectively that external steam from invading inside the gauge outfit.