Rubber Seat Butterfly Valve,DI,CI,Ductile Iron, Cast Iron, DN2000,DN1800,DN1600,DN1400,DN1200,DN1000,DN800

Design characters

The rubber seat can be replaced. Correcting holes are made on flange according to standard, easy correcting during the installation. Through-out bolt or one-side bolt used. Easy replacing and maintenance. Shaft and disc connected by pin, torque screw or non pin, to achieve the opening and closing.