APT build the leading brand of segment ball valves

2018-08-24 1:52:04The segment ball valve is a quarter-turn senior control valve. V port valve core is designed with special shape of V notch, so have a lot of shear force and consecrated themselves function.Especially suitable for

The segment ball valve is a quarter-turn senior control valve. V port valve core is designed with special shape of V notch, so have a lot of shear force and consecrated themselves function.Especially suitable for