This series of butterfly valves adopts a center vertical plate design. It is equipped with a handle or worm gear drive, and the valve is opened or closed by rotating the handle or worm gear 90°. 

Main features: 

•  Short structural length, light weight, quick opening/closing, and small installation space.  

•  The rubber sealing material is resistant to aging and corrosion, with the opening/closing cycle exceeding 8,000 times.  

•  Bidirectional sealing allows operation regardless of water flow direction.  

•  The flow characteristic is nearly linear, providing good regulation performance. 

 •  Both the handle and the worm gear drive can be self-locked at any valve opening position, meeting the functional requirement of flow regulation.   

This product is mainly used in construction, food processing, water supply and drainage, etc., serving to shut off or regulate flow in piping systems.