DS(3/6/9)43H
Flange type three eccentric hard seal butterfly valve
The three-eccentric hard seal butterfly valve is a new type of butterfly valve designed for high temperature, high pressure and obvious erosion pipelines with advanced three-eccentric structure.
Three eccentric hard seal butterfly valve is mainly used for high temperature, high pressure, erosion phenomenon of petroleum, chemical, metallurgy, plumbing, hydropower and other pipelines as pipeline system on and off and flow control components.
Product parameters
The body and seat of the three eccentric hard seal butterfly valve are connected structure, the center of the stem and the center of the sealing surface, the center of the valve body has a certain eccentric distance, the sealing surface and the center line of the valve body have a bias Angle, so that the butterfly plate and the valve body are frictionless when the valve is opened and closed, thus extending the service life of the valve.