The second development strategy of pneumatic butterfly valve is good at seizing the opportunity. The arrival and utilization of the opportunity is a good use of time and place, and the opportunities encountered are also various. 　　

6、 Q947F electric fixed ball valve: Q947F electric fixed ball valve adopts an integrated structure. It can be operated with an input control signal (4~20mA DC or 1~5V DC) and a single-phase power supply. It has strong function, small size, lightweight charm, reliable performance, simple matching, and circulation ability. It is especially suitable for occasions where the medium is viscous, contains particles, and has fiber properties. At present, the valve is widely used in industrial active control systems of food, environmental protection, light industry, petroleum, paper making, chemical teaching and scientific research equipment, power and other industries. Product name Electric flange threaded ball valve Product model Q947F Product diameter DN50-DN1000 Product pressure 1.6MPa-10MPa Product raw material carbon steel, stainless steel