Fujian Minshan Fire Fighting Equipment Co., Ltd. was founded in 1982.

Sprinkler Head Fire Fighting - Manufacturers, Factory, Suppliers From China

  • Fusible Alloy Fire Sprinkler

    Fusible Alloy Fire Sprinkler

    Working principle:   This product is composed of the nozzle body frame, sealing seat, gasket, positioning plate, molten gold seat, molten gold sleeve and bracket, hook plate and fusible alloy, etc. The fusible alloy between the molten gold and sleeve is in the event of a fire Melted by the increase of temperature, the height between the molten gold and the sleeve changes and decreases, the positioning plate loses support, the hook plate falls off without a fulcrum, the bracket tilts, the wate...