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  1. motaz1

    Manufacturing the body of Gas flow measuring turbine meters from GGG40

    Is it recommended to construct the body of natural gas measuring turbine meters (of size 4"/150 flanged G = 400)from the Ductile Cast Iron (GGG 40.3)? If so what is the Standard follwoed or exact definitions of the material ? What does 40.3 mean ? What is the other coating / painting...

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