Kunezinhlobo ezintathu ze-carbon steel flange sealing surface, okuyilezi: 1, indawo evalekayo ye-tenon: elungele ukuvutha, ukuqhuma, imithombo yezindaba enobuthi kanye nezikhathi zokucindezela okukhulu. 2, indawo yokuvalwa kwendiza: elungele ingcindezi ayiphezulu, izikhathi ezimaphakathi ezingenabuthi. 3, ukubekwa uphawu kwe-concave kanye ne-convex ...
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