除非另外指定，所有美国太平洋阀门都配置符合ANSI B16.25标准的对焊连接端口，并根据阀门壁厚和管道壁厚确定是属于型号2（b）或3（b）。

Unless otherwise specified, all Pacific valves will be supplied with butt weld ends conforming to ANSI B16.25 either Fig. 2(b) or 3(b) depending on the nominal pipe wall thickness of the valve wall.

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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.

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在所有美国尼必可铸铁阀门上可以配置组合型旁路，并且按照MSS旁路和排泄连接标准SP - 45的要求进行安装。

The built up type By-Pass is available on all NIBCO iron valves and is attached in accordance with MSS By-Pass and Drain Connection Standard SP-45.

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