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How to choose 6 holes flange?

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  • Post last modified:June 5, 2021

 

How to choose 6 holes flange?GB is generally not used frequently, because the formulation of GB adopted the principles of ISO7005-1 standard. That is, PN≤4.0MPa is put into the pipe zhuan flange shu adopts the German flange standard, and for the pipe flange with PN>4.0MPa, the American ANSIB16.5 pipe flange is used. As the GB standard compiles the pipe flange standards of the two major systems, the system is confused in use. Therefore, the GB pipe flange standard has not been promoted and used in the chemical and petrochemical industries.