这个型号代表ANSI等级和所需阀门的种类。
This number represents the ANSI class and type of valve desired.
材料说明包括材料规格、型号/等级/类别、标称尺寸和适用的材料识别号。
Description of material including material specification, type/grade/class, normal size and material identification applicable.
材料的识别号,例如带有型号/等级/类别和熔炼炉号/批号等信息的材料规格,以及起源于认证材料试验报告(CMTR),或符合性证明书(COC)的其他识别信息。
The identification number of materials such as material specification with type/grade/class and heat/lot number, other identification is provided and traceable to the C of C or CMTR.
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