Control valve, angle control valve and double control valve, also seat valve and an angle seat valve for extreme control application

摘要

[Challenge] the interior of the control valve from the aggressive media and better protection, to provide a control valve that can control the flow of the medium in a more reliable way possible. A valve piston and the valve head are formed integrally and made of tungsten carbide, the valve head preferably has a ball control contour of approximately semicircle which is shortened, or the valve head in one or have a few cuts form of a cup with, whereby the hollow interior is not directed to the downstream, backing out of the outlet funnel and-or valve seat Yes supported against the wall of the funnel, or Yes it supported against the valve seat support according to at least one of the innovative disk spring, and are protected from vibration by, or leather packaging material. .FIELD 1