Eccentric flange turbine butterfly valve
Spiral butterfly valve
GB 3037 Double Eccentric Half Lug Butterfly Valve
High performance clamp butterfly valve
Flange turbine butterfly valve
Flange turbine butterfly valve
Clamp turbine butterfly valve
Clamping handle butterfly valve
Electric flange butterfly valve
Single acting hydraulic protruding ear butterfly valve
Desulfurization tower gas valve
Intelligent electric stop valve
