发明名称 VERTICAL SLIDE BACKWASH VALVE
摘要 Provided is a backwash valve comprising a body including a central tube extending along a length of the body, a first pool port and first filter port axially aligned at a first position along the body length, a second pool port and second filter port axially aligned at a second position along the body length, and a waste port; and a sliding gate including a stem connected to a gate body, the gate body including first and second chambers separated by an internal wall; the sliding gate movable between a filter position wherein fluid communication is provided among the first filter port, first chamber, and first pool port, and a backwash position wherein fluid communication is provided among the first filter port, second fluid chamber, and second pool port, and between the second filter port and waste port.
申请公布号 WO2014150867(A1) 申请公布日期 2014.09.25
申请号 WO2014US24426 申请日期 2014.03.12
申请人 HAYWARD INDUSTRIES, INC. 发明人 WILLIS, VANCE, E.;CORN, BENJAMIN, I.;DURHAM, KENNETH, H.;MERCER, MICHAEL, D.
分类号 F16K3/316;F16K11/06;F16K11/16 主分类号 F16K3/316
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