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Backwater valve assembly and method
专利权人:
发明人:
Eric Hull,Dennis R. Young
申请号:
US14213577
公开号:
US09560805B2
申请日:
2014.03.14
申请国别(地区):
US
年份:
2017
代理人:
摘要:
The present disclosure is directed to a backwater valve assembly comprising a main valve body, a flapper sub-assembly, and a cap. The main valve body has an inner wall that can define a recess into which the flapper sub-assembly can be removably secured. The flapper sub-assembly includes at least one flapper element that can pivot between an open position, in which the flapper element allows fluid to flow through the backwater valve assembly, and a closed position, in which the flapper element prevents fluid from flowing in the opposite direction. The flapper sub-assembly can be removably coupled to the cap to allow the flapper sub-assembly and cap to be installed in or removed from the main valve body together as a unitary assembly.
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