Patents Assigned to GUANGDONG YONGQUAN VALVE TECHNOLOGY CO., LTD
  • Valve structure with built-in valve seat of pre-action warning valve
    Patent number: 11766580
    Abstract: The present invention discloses a valve structure with a built-in valve seat of a pre-action warning valve, including: a valve body, a valve cap, a valve seat, and a membrane clack. The pre-action warning valve provided in the present invention has the advantages of being simple, reliable, and low in manufacturing costs.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: September 26, 2023
    Assignee: GUANGDONG YONGQUAN VALVE TECHNOLOGY CO., LTD
    Inventors: Jiongliang Chen, Dawen Huo, Jiaxian Ou