●制造商选择可以用1型代替2型。
●3M、6M为级别3000、6000的缩写
●4"的6000级别的F、C及RL尺寸为制造厂给出
●与ASME B16.11中承插焊管件配合使用,J尺寸与B16.11规定相同。公称通径的尺寸表示为SD×d1。
●At the option of the manufacturer, type 2 reducers may be furnished in type 1 configuration.
●3M and 6M symbols denote 3000 and 6000 classes.
●Size F,C and RL of 4" 6000 grade is given by manufacturer.
●Applying with the socket fittings of ASME B16.11, Size J is same to the codes of ASME B16.11. The nominal pipe size shows as SD×d1.
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