What is the meaning of pvc electric butterfly valve manufacturer? The electric butterfly valve of butterfly valve has certain requirements for the selection and purchase of butterfly valve during the manufacturing process, and must meet the following points:
1. The radius of the butterfly valve is 0.4 times of its height under rated load;
2. The butterfly valve shall have a certain additional stroke, at least equal to 50% of the rated static radius;
3. The number of butterfly valve coils shall not be too small, generally not less than six.
