BQ type double eccentric center half-ball Valve

double [ported] slide valve

double 12-pulse valve groups

double acting brake valve

double anode valve

double beat valve

double block valve

Double cartridge valve

double check valve

double check valve arrangement

double check valve plug

double cylinder lock valve

double disc gate valve

double disc slide valve

double eccentric butterfly valve

double face valve

double faced sluice gate valve

double fixed valve

double flow solenoid valve

double isolation ball valve