OUWEI EXTENSION ROD BUTTERFLY VALVE

◆Product Overview
Our company produces the extension rod butterfly valve on the basis of the introduction of foreign advanced technology,using triple eccentric metal hard seal structure,multi-level its internal to the three eccentric structure. In the process of opening and closing, the valve disc seal face and seat at various points along the 360° circumferential moments from or contact, no friction,no card to squeeze between seal,the sealing surface pressure Angle is greater than the friction angle. If you want to higher height can be customized according to user requirements.

◆Use
Extension rod butterfly valve is widely used in medium temperature of 425 C or less,metallurgy,electric power,petrochemical industry,water supply and drainage,
and municipal construction and other industrial pipelines,used to adjust flow cutoff and body.

◆ Characteristics
1.The valve adopts triple eccentric seal structure,the seat and disc almost no wear and tear,have the close tight sealing function;
2.Butterfly plate sealing surface using cobalt-based carbide surfacing,sealing surface wear resistance,long service life;
3.Large size butterfly plate adopt truss structure,high strength,large flow area,small flow resistance;
4.Driving device can transfer(rotate 90° or 180°)installation,making it easy for users to use.