leak tightness
1.The appendixes G of EN 13445 Part 3 take into account on the mechanical integrity and leak -tightness of flange in details,which provided also a reasonably foreseeable analysis for the systematic characteristics of bolted flanged connection.
2.Lie Li dual purpose mute clack it me factory by oneself compose,Domestic initiate renew change take the place of latest patent product,Seal up principium consist bring Chuei facial valve petal and line seal up valve cone each other anastomose,Rebound sex good,Deal wit market up lie Li dual purpose clack make use of plastic loop seal up and causation No,the defect of hold at heat,Basedo on adopt line seal up ,Consequently leak-tightness Neng good,Hold at heat,Endure burning-in life, Lie stand pipe road Tu can furnish,Furnish self closing function usable Yu oil.Chemical industry.

