Backwater valve assembly and method
作者： Dennis R. Young , Eric G. Hull
DOI:
关键词:
摘要: The present disclosure is directed to a backwater valve assembly comprising main body, flapper sub-assembly, and cap. body has an inner wall that can define recess into which the sub-assembly be removably secured. includes at least one element pivot between open position, in allows fluid flow through assembly, closed prevents from flowing opposite direction. coupled cap allow installed or removed together as unitary assembly.
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