Is it necessary to install valve chambers for gas pipelines?
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The gas pipeline in question is the fuel supply line for the heating furnaces in the factory area. In the previous project design drawings, valve chambers were installed along this pipeline once it entered the factory area; these chambers contained check valves, isolation valves, drain valves, and 8-shaped blind plates, among other components. Sand was also placed at the bottom of these chambers. I’m wondering which standard requires such a setup. The relevant provisions in Chapter 7.2 of the GB50160 fire protection standard only state that valves should be installed on the gas inlet pipelines, but it does not mention the necessity of having valve chambers. I would appreciate everyone’s insights and suggestions
The installation of valve chambers for gas pipelines is not explicitly required by all codes, but for safety and maintenance convenience, they are often installed according to actual needs and engineering standards. The relevant requirements may be scattered across different codes or standards, such as the Code for Construction and Acceptance of Pipelines in the Petroleum and Chemical Industries, and the Code for Design of Urban Gas Systems. Whether a valve chamber is actually necessary depends on the specific conditions of the project and relevant industry standards. .
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