FIELD: transport.
SUBSTANCE: invention relates to feeders of fluid kept in container with branch pipe and flexible feed pipe with inlet and outlet. Said inlet is tightly communicated with container branch pipe while viscoelastic valve is fitted in pipe outlet. Proposed method comprises compression step and compression end step. Besides, this method comprises extra step to be executed after compression end step and consisting in pressure relief at pipe length between pipe first section and valve.
EFFECT: higher rate and reliability of valve closure, decreased susceptibility to microbial contamination.
18 cl, 6 dwg
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