按铸造方法不同，分为连续铸铁管和离心铸铁管，其中离心铸铁管又分为砂型和金属型两种。
According to different casting methods, divided into continuous cast iron pipe and the centrifugal cast iron pipe, wherein the centrifugal cast iron pipe is divided into two types of sand and metal.
应用离心铸造工艺生产球墨铸铁管，连续快速提供化学成分和温度均合格的优质铁液是生产的关键环节之一。
One of keys of production of centrifugal casting pipe of s. g. iron is continuous and fast delivery of qualified base iron with proper chemical composition and temperature.
无承口离心排水铸铁管的安装和拆卸均非常方便，但要注意不锈钢卡箍橡胶密封接口的安装方法和管道局部支吊架的特殊要求。
When using centrifugal cast iron pipe, we should pay attention to its installation and technical requirements, such as that of stainless steel clasp and local support and hanger of pipe.
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