Full rubber lined flange butterfly valve

Electric grooved (clamp) butterfly valve

Pneumatic ventilation butterfly valve

Pneumatic grooved (clamp) butterfly valve

Worm wheel flue gas desulfurization butterfly valve

Electric flue gas desulfurization butterfly valve

Pneumatic flue gas desulfurization butterfly valve

Handle flange desulfurization butterfly valve

Worm gear flange desulfurization butterfly valve

Electric flange desulfurization butterfly valve

Pneumatic flange desulfurization butterfly valve

Handle nylon clamp butterfly valve