1、球阀结构,按球体结构,浮动式Floating Type,固定式Trunnion Mounted,支撑杆 Stem,支撑板 Trunnion Support,轨道式Orbit,按球体安装,顶装 Top Entry,侧装 Side Entry,球阀结构,按球体形状,常规球体 Regular Ball,V型球体 V Type,多通球体 Multi-way Ball (L型, T型, Y型),按球体安装,顶装 Top Entry,侧装 Side Entry,按球体个数,单球 Single Ball,双球 Double Ball,球阀结构,按阀体形式,一体式 Integral Body,三片式 Thre
2、e Pieces,两片式 Two Pieces,全焊接/埋地式 Full Welded/Underground,夹套保温 Jacket Ball Valve,按密封形式,软密封Soft Seat,硬密封Metal Seat,(金属非金属、非金属非金属),(金属金属),软密封阀座材料:,PTFE,Nylon,RPTFE,PEEK,Devlon,180,250,90,125,260,PPL,230,硬密封球阀密封副的表面处理:,氮化 HV350-600, 耐轻度腐蚀,,镀硬铬 HV800-900, 20微米,超音速火焰喷涂:WC(Tungsten Carbide) CC(Chromium Carbide) 74-0.3mm,镍基合金热喷涂:Ni-60, Ni-55 HRC55-64, 0.5-1.0mm,镀镍磷 ENP,HV 300-500,耐腐耐磨,-50-890,球阀结构,