Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing (F16K5/00 takes precedence; in barrages or weirs E02B8/04)

Child Classifications

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• F16K 3/02 with flat sealing faces; Packings therefor
• F16K 3/22 with sealing faces shaped as surfaces of solids of revolution (F16K13/02 takes precedence; with resilient valve members F16K3/28)
• F16K 3/28 with resilient valve members
• F16K 3/30 Details