Flow regulating valve is often required for water diversion valve body. Flow control valve is divided into the float control valve and the electric control valve, widely used in the field of flow control, such as: sewage treatment plants, waterworks into the water; drainage pipe flow control; drainage system flow scheduling; municipal drainage management In the project. Is a kind of efficient, environmentally friendly, safe and energy-saving new flow control products. As the valve control system complex, high precision control; Therefore, China's traditional valve manufacturers generally can not produce the kind of valve, the domestic use of the products mainly rely on imports, the production valve is more well-known German Steinhardt company, the United States Some businesses