With the electric ball valve occupying its own position in the market more and more widely, we have more and more understanding of the characteristics of this product. As the best selling and most comprehensive product among the ball valves, the electric ball valve has many advantages compared with other ball valves. 　　

Third, the diameter of the output shaft of the hollow shaft electric equipment that matches the diameter of the stem of the electric butterfly valve should match the outer diameter of the stem of the rising stem valve. For the valve part, the stem of each problem is dark. Although sometimes the stem diameter is not considered, the matching degree of the keyway and the stem diameter should also be considered when selecting the stem diameter of the electric valve, For normal operation and operation.