Since reforming and opening out, Chinese socialist business economy develops stably, and the application of gas pipeline increases rapidly. A construction and protection of gas pipeline project become more and more valuable. As one of the major accessories, the application of copper steel flange gets popularity as well. And so how to purchase one great quality copper steel flange with great insulation feature? This article can discuss new type copper steel flange in the pipeline.
The old type flange is composed by two pieces of insulation sheets which are welded and tightened. That old copper steel flange usage oil and rubber insulation asbestors, insulating gasket bolt and high strength bolts of phenolic cloth laminated board as materials. It??￡¤s characterized with excellent steel property and stability. It type copper steel flange desires professional installation skills and costs high.
A new-type copper steel flange is an progress based on a old-type. It flange is commonly designed for a low pressure of city gas distribution project, using a flat flange instead of welded flange. This sort copper steel flange are able to be installed both individually and together with other connecting valves. This new-type copper steel flange charges less and could be thought as one style economical flange.
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