公开(公告)号：US3597978A

公开(公告)日：1971-08-10

申请号：US3597978D

申请日：1969-12-11

Applicant: SNIA VISCOSA

Inventor： SICLARI FRANCESCO ,  MAGNONI FRANCO ,  MORANDI BATTISTA

IPC: B01J4/00 ,  B01J14/00 ,  B01J19/00 ,  G01N1/00 ,  G01N1/10 ,  G01N1/14

CPC classification number: G01N1/10

Abstract: A device for sampling liquids from reaction equipments and particularly from vacuum operating reaction equipments, comprising a body fixedly secured to the bottom of the equipment and having an outlet duct fitting with a check valve, which movable component is kept closed by the atmospheric pressure. A movable assembly, comprising a sampling container and a feeding duct therefor, may be sealingly connected with said body in such a manner as to mechanically control the engagement of said check valve movable component with a related seat, means being provided to reach a given vacuum value in said container and said feeding duct.