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GB/T 17213 Válvulas de controle

2019-07-09View Original

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Na norma GB/T 17213, são especificadas apenas as dimensões de uma extremidade a outra da válvula de controle esférica. Não há informações sobre as dimensões do corpo da válvula de controle em formato de borboleta. Então, qual norma deve ser consultada para obter as dimensões do corpo da válvula de controle em formato de borboleta? Por favor, peço a ajuda de alguém mais experiente. Obrigado!

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