Fleyenda D341W ventilation butterfly valve is a non-closed butterfly valve. It is designed and manufactured in a new structural form by welding a midline butterfly plate and a short structural steel plate. It is welded with high-quality wear-resistant materials, has a compact structure, is lightweight, has small flow resistance and large flow, avoids the influence of high-temperature expansion, and is easy to operate. The products are widely used in ventilation systems, dusty gas, gas, air, high-temperature flue gas pipelines, ventilation and purification devices, etc. for opening and closing or regulating flow.
