xiaomakuaipao
平焊法兰slippon flange(SF)对焊法兰butt weld flange(BWF)凹凸法兰female and male flange（MFM）带颈法兰with neck flange(NF)法兰盖flange cover(FC)盲法兰Blind flange(BF)平面管道法兰Full Face（FF)凸面管道法兰凸面Raised Face（RF）凸面管道法兰凸面Raised Face（RF）环连接面管道法兰环连接面Ring Joint Face（RJ)环连接面管道法兰环连接面Ring Joint Face（RJ）承插凸面法兰Socket Rised Face Flang(SRFF) galvanized threaded flange镀锌丝扣法兰butterfly valve flange蝶阀法兰slotted flanges开槽法兰球心阀Globe Valve(GV)球阀Ball Valve(BV)蝶阀Butterfly Valve(BV)止回阀Check Valve(CV)
漫山红遍
connect...with...by.这里不用by,因为垫片不是连接的手段，再加个with把placing-中式英语-去掉。相互连接用with.connecttheriser’sflangewiththemountingflangewitha4〃ringflangegasketbetween.---impactxxonyyxxactasyyusexxasyy
iamjiaying
法兰的类型要根据连接形式和密封面型式来分，连接形式：螺纹连接 Threaded Th带颈对焊 weld Neck WN带颈平焊 Slip-On SO板式平焊 plate PL承插焊 sock welded SW对焊环松套 Pipe Joint / Stub End PJ/SE 平焊环松套 pipe Joint / Plate Ring PJ/PR 整体法兰 Integrated Flange IF法兰盖或盲法兰 Blind Flange BF密封面型式：突面 Raised Face RF凹凸面 Male and Female MFM榫槽面 Tongue and Groove TG全平面 Flat Face FF环连接面 Ring Joint RJ阀门的常见的有如下几种：球阀 Ball Valve闸阀 Gate Valve截止阀 Globe Valve蝶阀 Butterfly Valve止回阀 Check Valve 很多人直接叫 Non-return Valve 隔膜阀 Diaphram Valve旋塞阀 Plug Valve针型阀 Niddle Valve还有很多种特殊的阀门，各种阀门又有不同的详细分类，需要在实践中慢慢总结
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