威盾ＹＴ易熔金属喷头北京威盾消防安全设备有限公司生产的ＹＴ易熔金属喷头有：快速反应普通型、直立型、边墙型和下垂型四种。此类喷头造型美观、设计先进，其独特的中心柱式结构使其尺寸小于传统设计的产品；喷头的中心柱式结构较传统的机构，也比ｓｍｍ的玻璃球或杠杆... Weitong YT fusible metal nozzle YT fusible metal nozzles produced by Beijing Weidun Fire Safety Equipment Co., Ltd. are: rapid response ordinary type, vertical type, side wall type, and droop type. This type of nozzle is beautiful in appearance and advanced in design. Its unique center column structure makes its size smaller than traditionally designed products. The central column structure of the nozzle is more than the traditional mechanism, it is also more than the glass ball or lever of smm...