外法兰 meaning in English
outside flange
outward flange
Examples
- Height of large and small male and tongue is 0 . 25 in . on all sizes and classes
所有通径和压力等级阀门的大型和小型外法兰和舌法兰的高度为0 . 25英寸。 - Interference may also occur when butterfly valves are bolted directly to the outlet flange of a swing check , silent check , or reducing flange
当蝶阀直接通过螺栓连接到旋启式止回阀、静音止回阀或缩径法兰的外法兰上时，也可能发生阀瓣受到影响的情况。