The use of continuous glass fiber cloth instead of traditional chopped fiber as a reinforcement material can greatly increase the percentage of glass fiber in GRP and the reinforcement effect. Glass fiber is the main load-bearing part of FRP, and the increase of glass fiber content will mean the improvement of the overall mechanical properties of FRP.

The driving device of pneumatic butterfly valve can be divided into manual, electric and pneumatic modes. This is also according to the customer's requirements. We choose sealing rings of different materials and parts of different materials, which can be applied to different media and working conditions, making the butterfly valve a great effect.