A kind of rectangular flow gauge

A kind of rectangular flow gauge

  • CN 204,373,705 U
  • Filed: 12/08/2014
  • Issued: 06/03/2015
  • Est. Priority Date: 12/08/2014
  • Status: Active Grant
First Claim
Patent Images

1. a rectangular flow gauge, is characterized in that:

  • comprise measuring tube, positive pressure pipe, negative pressure pipe and rectangle voussoir;

    Described positive pressure pipe, negative pressure pipe chain intermittent weld are arranged on measuring tube;

    Described rectangle voussoir is cuboid, is closely set in measuring tube inwall, rectangle voussoir offers pressure through hole, and described pressure through hole vertically should facing to negative pressure pipe, and the diameter of described pressure through hole is identical with negative pressure pipe internal diameter;

    Described rectangle voussoir is provided with front bevel angle α

    at fluid upstream, downstream is provided with back bevel angles β

    , is provided with a rectangular platform in the middle of described front bevel angle α and

    back bevel angles β

    , described front bevel angle α

    angle is greater than back bevel angles β

    angle;

    A throttling arc hole is formed between described rectangle voussoir and measuring tube.

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