Apparatus for controlling medium flow

Details Apparatus for controlling medium flow Apparatus for controlling medium flow

2005-04-29

2010-02-16

Jacyna, J. Casimer (Department: 3754)

Valves and valve actuation

With material guide or restrictor

Valve at point of greatest restriction

C251S122000, C251S333000, C251S366000, C222S559000, C222S547000, C222S571000

Reexamination Certificate

active

07661651

ABSTRACT:
An apparatus for controlling medium flow, especially for controlling dilution liquid flow in connection with the headbox of a paper-making machine or a cardboard-manufacturing machine, which apparatus comprises a valve which controls dilution flow, which valve consists of a valve housing, a stem part and a flow channel between an inlet and an outlet of the valve. The stem part is movable in the housing between at least two positions, a first position in which the flow path between the inlet and the outlet is open, and a second position in which the flow path is closed, and the stem part and/or housing is designed to direct the medium flow at least in the vicinity of the outlet opening.

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