Face-to-face and centre-to-face dimensions of flanged valves shall be as in table 4 for other than[b][red] oblique pattern globe [/red][/b]or oblique pattern lift check valves.
Face-to-face and centre-to-face dimensions of flanged valves shall be as in table 4 for other than[b][red] oblique pattern globe [/red][/b]or oblique pattern lift check valves.
除了斜角式球形止回阀和斜角式提升止回阀之外,法兰阀门的面对面尺寸和中心对面尺寸已在表4中给出。