... single eccentric, middle type, double eccentric, tripe eccentric and sealing structure can use soft seal, hard seal.Features: ... Lug Type Butterfly Valve, China manufacturer, factory, mill, supplier, cheapLug Eccentric Butterfly ValveHuachao Lug Eccentric Butterfly Valve is divided into Lug Single Eccentric Butterfly Valve, Lug Double Eccentric Butterfly Valve, Lug Tripe Eccentric Butterfly Valve. ...