Talk About Key Points of Supervision Control for Check Valve Equipment Production
Author of the article:LIU Jinwang
Author's Workplace：China Nuclear Sida Construction Supervision Co.,Ltd.,Shijiazhuang 050000,China
Key Words：check valve quality problem prevention and control control points
Abstract：The classification and working principle of check valve was introduced, and adopts the methods of adding identification mark of valve and parts, strictly implementing welding process and process control, and nondestructive testing of important parts to solve the common problems in the production process of check valve. The results show that the production quality of check valve is improved by these measures.
