Patent ID: 8172200
Filing Date: 2012-05-08
Classification: F16K

Abstract:
1. A flow control valve for fluidized material comprising: a valve housing having first and second retention pins and a valve chamber with a valve seat, said valve seat being arranged in a conjugated socket in said valve housing; a valve plug having a flow passage, said valve plug being arranged inside said valve chamber in front of said valve seat so as to be rotatable about an axis of rotation for controlling a flow through said flow control valve and said valve plug comprises a cylindrical plug biasing surface; and at least one cantilever spring arranged in a clearance space opposite to said valve seat, said cantilever spring being fixed to said valve housing and having an end portion in contact with said cylindrical plug biasing surface so as to bias said valve plug against said valve seat perpendicularly to said axis of rotation for achieving a sealing contact between said valve seat and said valve plug, wherein said first and second retention pins are configured to secure said valve plug when said at least one cantilever spring is removed.