订购时，请指明阀门尺寸、规格型号，以及从阀门法兰到延长件法兰顶部的准确距离(用户指定的长度如右图所示)。

When ordering, specify valve size, figure number, and the exact distance from the valve flange to the top of extension flange (customer-specified length shown at right).

youdao

订购时，请指明阀门尺寸、规格型号，以及从阀门法兰到延长件法兰顶部的准确距离（用户指定的长度如右图所示）。

The top flange of an extension stem, plug shaft diameter, and distance across flats on plug shaft are the same size as the valve selected.

youdao

订购时，请指明链轮型号，链条型号和长度，或美国尼伯科阀门的型号、尺寸和链条长度。

When ordering, specify the sprocket number, chain number and length, or the NIBCO valve figure number, size and the chain length.

youdao