Dispensing valve with back flow protection
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United States of America Patent
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May 19, 2009
Issued Date -
N/A
app pub date -
Oct 19, 2005
filing date -
Oct 19, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A dispensing valve assembly with a housing having a plurality of inlet passageways connectable at a respective upstream end to a respective supply source. Each inlet passageway is in communication with a pressure responsive valve element. The valve element is biased to abut a discharge valve seat in a closed position about an upstream end of an outlet passage. The valve element is moveable to an open position when pressure in its respective inlet passageway exceeds a predetermined value. Each outlet passage is in fluid communication with a common dispensing outlet.
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