注：为了方便客户安装要求，本表给定的数值系与蝶阀链接的标准法兰尺寸，简图中尺寸代号仅是其中一部分。
Note:In order to be convenient for the installation of clients, the numerical value, butterfly valvejoint standard flange size and size code in the table are only one part of them.
安装尺寸，法兰标准或罗纹尺寸，其他的特殊要求。
Installation size, standards or rib flange dimensions, other special requirements.
美国尼必可球墨铸铁阀门符合ANSI B 16.42标准150磅级法兰和相同端对端尺寸的125磅级铸铁或150磅级钢阀门。
NIBCO Ductile iron valves come standard ANSI B16.42 Class 150 flanges and the same end-to-end dimensions as Class 125 iron or Class 150 steel valves.
大通径钢法兰。系列a。符合相关尺寸标准。
Large diameter Steel Flanges. Series A. Conforms to related dimensions.
铁路运输设备。标准轨距铁路车辆的法兰互联装置的连接。尺寸、连接测量和公差。
Railway transport equipment. Connection for flange intercommunication for standard-gauge line stock. Size and fastening-measurements and tolerances.
碳钢法兰和连接件，150磅，符合相关法兰钻孔尺寸标准。
Carbon Steel Flanges and Fittings, 150 lb. Conforms to related flange drilling.
铸铁管道法兰和法兰连接件，125磅，符合相关法兰钻孔尺寸标准。
Cast Iron Pipe Flanges and Flanges Fittings, 125 LBS. Conforms to related flange drilling.
铸铁管道法兰和法兰连接件，125磅，符合相关法兰钻孔尺寸标准。
Cast Iron Pipe Flanges and Flanges Fittings, 125 LBS. Conforms to related flange drilling.
应用推荐