FIELD: physics.
SUBSTANCE: proposed device comprises gate valve body to stop the chamber outlet and proportioning chamber. To provide for sterility in sampling, it is proposed to accommodate proportioning chamber so that it adjoins said outlet along substance flow direction and furnish it with its own intake hole, as well as to connect ejector ram to proportioning chamber for that ram to travel aligned with gate valve body.
EFFECT: possibility to intake substance sample and simple sterilisation.
18 cl, 6 dwg
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