閥門法蘭連接突面- raised face 略寫(xiě)(RF)
閥門法蘭全平面- flat face; full face略寫(xiě) (FF)
閥門法蘭凹面 -female face 略寫(xiě)(FMF);閥門法蘭凸面- male face略寫(xiě) (MF);閥門凹凸面-略寫(xiě)(MFM)
閥門法蘭榫槽面-略寫(xiě)(TG)
閥門環(huán)墊接頭 -略寫(xiě)ring joint (RJ)
閥門對(duì)焊連接 -butt welded 略寫(xiě)(BW)
閥門承插焊 -socket welded略寫(xiě) (SW)
美國(guó)標(biāo)準(zhǔn)閥門錐管螺紋- American standard taper pipe thread略寫(xiě) (NPT)