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球墨铸铁管的主要分类及用途

作者: -1    发布时间: 2018-08-06    次浏览
球墨铸铁管的分类方法有很多。按照不的分类方法可以出现不同的分类结果。按铸造方法不同,分为连续球墨铸铁管和离心球墨铸铁管,其中离心球墨铸铁管又分为砂型和金属型两种。按材质不同分为灰口球墨铸铁管和球磨球墨铸铁管。按接口形式不同分为柔性接口、法兰接口、自锚式接口和刚性接口等。其中,柔性球墨铸铁管用橡胶圈密封;法兰接口球墨铸铁管用法兰固定,内垫橡胶法兰垫片密封;刚性接口一般球墨铸铁管承口较大,直管插入后,用水泥密封,此工艺现已基本淘汰。
There are many classification methods for ductile cast iron pipes. According to the non classification method, different classification results can appear. According to different casting methods, it can be divided into continuous ductile iron pipe and centrifugal ductile iron pipe, among which centrifugal ductile iron pipe can be divided into sand mold and metal mold. They are divided into gray ductile iron pipes and ball grinding ductile iron pipes according to their materials. According to the form of interface, it can be divided into flexible interface, flange interface, self anchored interface and rigid interface. The flexible ductile iron pipe is sealed with rubber ring, the flange interface spheroidal graphite cast iron pipe is fixed with flange, and the inner pad rubber flange gasket is sealed; the rigid interface is usually large, and the straight pipe is inserted and the cement is sealed with cement. The process has been basically eliminated.


球墨铸铁管的主要分类及用途


球墨铸铁管与普通铸铁管工艺上相似,根据需求的不同也有不同的型号,每种型号有不同的特点。根据不同的需求和生产工艺,有着不同的型号和特点:力学性能:最小抗拉强度:420/mpa,最小屈服强度300/mpa,最小延伸率7%。球墨铸铁管特点:具有铁的本质、钢的性能,防腐性能优异、延展性能好,安装简易、主要用于市政、工矿企业给水、输气等。
Ductile iron pipes are similar to ordinary cast iron pipes in technology. There are different types of ductile iron pipes according to different requirements. Each type has different characteristics. According to different needs and production processes, there are different models and characteristics: mechanical properties: minimum tensile strength: 420/mpa, minimum yield strength 300/mpa, minimum elongation 7%. Ductile iron pipe features: the essence of iron, steel properties, excellent corrosion resistance, good ductility, easy installation, mainly used in municipal, industrial and mining enterprises water supply, gas transmission and so on.