法兰与螺栓配套表大全 法兰与螺栓配套表如下: 对焊法兰 (螺栓数量)螺栓规格 光滑面平焊法兰 (螺栓数量)螺栓规格 外径 PN1.6 PN2.5 PN4.0 PN1.6 PN2.5 DN20 (4) (4) (4) (4) (4) M12×60 M12×60 M12×70 M12×65 M12×65 DN25 (4) (4) (4) (4) (4) M12×60 M12×60 M12×70 M12×70 M12×65 DN40 (4) (4) (4) (4) (4) M16×75 M16×75 M16×80 M16×80 M16×80 DN50 (4) (4) (4) (4) (4) M16×75 M16×75 M16×90 M16×85 M16×85 DN80 (8) (8) (8) (8) (8) M16×80 M16×80 M16×100 M16×85 M16×