| 摘要 |
FIELD: general-purpose machine engineering, particularly, metering devices, chromatography, etc. SUBSTANCE: flow switch-over apparatus includes housing 1 with cone opening and conical rotary member 2 placed in that opening. The above mentioned housing and rotary member have ducts and turnings for selective connection of any flow with measuring line in such a way that all other flows are connected with draining line. EFFECT: improved design. 2 cl, 2 dwg |
