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    1. GB577-65船用對焊鋼環松套鋼法蘭

      GB577-65%e8%88%b9%e7%94%a8%e5%af%b9%e7%84%8a%e9%92%a2%e7%8e%af%e6%9d%be%e5%a5%97%e9%92%a2%e6%b3%95%e5%85%b0
      圖示-(GB577-65船用對焊鋼環松套鋼法蘭)圖片

        GB577-65船用對焊鋼環松套鋼法蘭

        材質:碳鋼、合金鋼、不銹鋼

        密封面型式:全平面(FF)

        公斤壓力(PN):PN2.5、PN4.0、PN6.4

        公稱通徑:DN20-DN400