FIELD: transport, distribution of fluids.
SUBSTANCE: dispenser comprises converting gate valve including case with first opening communicated with distribution component, second opening communicated with fluid first source, and third opening communicated with fluid second source. Converting gave vale comprises channel arranged between first and second openings, and plug to communicates with third opening. Second and third openings are arranged in symmetry about first opening. Converting gate valve feed fluid to distribution station and, when, turned, it feeds second fluid via channel to distribution station. Said gave valve allows dispenser operator to switch from second fluid source to second source without fluid flows intersection. Method of selecting fluid feed lines comprises mounting converting gave valve dispenser and converting gate valve.
EFFECT: higher efficiency and reliability.
36 cl
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