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A4紧固管卡英文怎么表示：

紧固管卡A4紧固管卡，是HG/T21629-1999标准手册中的A类：管架标准零部件中的产品之一，扁钢弯曲半径r等于其厚度值，材质为碳钢。A4紧固管卡是由扁钢弯制而成的，安装时两端各以螺栓螺母固定，在管道装置中起紧固作用，分为A4-1紧固管卡（公制管用），A4-2紧固管卡（英制管用），A4-3紧固管卡（铸铁管用）三种表示方法。其中，公制管公称通径范围为DN15-DN600，英制管公称通径范围为1/2"-24"，铸铁管公称通径范围为DN50-DN600。

Fastening clamp fastening clamp is HG/T21629-1999 _A4, a standard manual pipe rack: one of the standard parts of the product, the flat steel bending radius R is equal to the thickness, material of carbon steel pipe is made of steel.A4 fastening and bending, the installation ends fixed with bolts and nuts, fastening device in the pipeline. Divided into A4-1 fastening clamp (metric tube), A4-2 fastening clamp (inch pipe), A4-3 (three iron pipes) method. The metric pipe nominal diameter range of DN15-DN600 inch diameter pipe, the nominal range of 1/2 "-24", the cast iron pipe nominal diameter range of DN50-DN600.