pipe castings meaning in English

铸管件

The inner lining of such materials as br , nr , cr , fer , rpp , pvd , ptfe and f46 in the valve body of all kinds of cast iron and carbon steel or in the inwall of pipe castings can not only adapt to corrosion medium under different working conditions , but also can replace a great many rare and precious metal , which has , under the normal working conditions of valve , saved a large amount of funds for the users
通过在各类铸铁、碳钢的阀体或管件内壁上进行内衬br / nr / cr / fer / rpp / pvd / ptfe / f46等材料，不但可以适用于不同工况下的腐蚀性介质，而且可以替代许多稀有贵重金属，为用户在保证阀门正常使用的条件下节约大量的资金。