タイトルまたは説明

Butterfly valve is closed parts (valve or butterfly plate) for the disc around the valve shaft rotation to achieve open and close a valve on the pipe and cut off from the main throttling effect. Valve opening and closing member is a disc-shaped disc, the valve body about its axis of rotation, so as to achieve the purpose of opening and closing, or adjusting. Butterfly valve for furnace, gas, natural gas, LPG, city gas, hot and cold air, chemical refining and power generation and environmental protection engineering systems transport all kinds of corrosive and non-corrosive fluid medium pipe, for regulating and truncation medium flow