We are Tianjin OTS valve Manufacturing Co., Ltd was established in year 2001, , produce valves for more than 22 years, our business focus on R&D of valves for fluid control industry. Our production with test facilities has been certified to ISO9001 and CE by Lloyd's Register. We impose the strictest quality control at every stage of manufacturing to assure product functionality and reliability! Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.
Butterfly valve simple structure, small size, light weight, only by a few parts. And only need to rotate 90° Can quickly open and close, simple operation, while the valve has good fluid control characteristics. Butterfly valve disc is installed in the pipe diameter direction. In the butterfly valve body cylindrical channel, disc disc around the axis of rotation, rotation Angle between 0° ~90° , rotation to 90° , the valve is fully open state. When the flanged butterfly valve is in the fully open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body, so the pressure drop produced by the valve is very small, so it has good flow control characteristics. Butterfly valve has two sealing types: Spring seal and metal seal. Elastic seal valve, sealing ring can be mounted on the valve body or attached to the disc periphery