Pneumatic cast steel gate valve
The invention belongs to the field of valves, and particularly relates to a pneumatic cast steel gate valve. The pneumatic cast steel gate valve is characterized in that a through hole is formed in the bottom of a valve body; the diameter of the upper portion of the through hole is smaller than that...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
27.06.2017
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Subjects | |
Online Access | Get full text |
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Summary: | The invention belongs to the field of valves, and particularly relates to a pneumatic cast steel gate valve. The pneumatic cast steel gate valve is characterized in that a through hole is formed in the bottom of a valve body; the diameter of the upper portion of the through hole is smaller than that of the lower portion; a wedge disc is located in a valve cavity and clamped between a first fixing seat and a second fixing seat; the bottom of the wedge disc is connected with a sealing cover through a connecting rod; the lower end of the connecting rod is arranged in the through hole; the diameter of the connecting rod is smaller than that of the through hole; the sealing cover is as big as the through hole, and the lower end of the sealing cover is arranged outside the through hole; a liquid receiving box is fixed to the bottom of the valve body and communicates with the through hole; one end of a connecting pipe communicates with the liquid receiving box, and the other end of the connecting pipe communicates w |
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Bibliography: | Application Number: CN20151958834 |