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I would like to ask about the manufacturing process flow for the valve disc of AVK soft-sealed gate valves

2019-06-06View Original

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Does anyone in the group know the manufacturing process for the valve plates of AVK gate valves? In particular, I’m interested in knowing how the integral copper nuts are attached to the ductile iron core, as well as whether the rubber coating is applied before or after the nuts are installed. Are the nuts pressed after processing, or is processing done first and then pressing applied?

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