De que material é feita a gaxeta do corpo principal da válvula de retenção, em geral?

2020-08-01View Original

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De que material é feita a gaxeta do corpo principal da válvula de retenção, em geral?

Reply #22020-08-01

Parece que havia requisitos na hora do design.

Reply #32020-08-04

Atualmente, são utilizadas principalmente almofadas metálicas de grafite; ao desmontar vários equipamentos, constatou-se que todas elas eram feitas de grafite

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