●制造商選擇可以用1型代替2型。
●3M、6M為級別3000、6000的縮寫
●4"的6000級別的F、C及RL尺寸為制造廠給出
●與ASME B16.11中承插焊管件配合使用,J尺寸與B16.11規定相同。公稱通徑的尺寸表示為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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