Where to use Full turn Concealed Valve? Sankar Krishna September 18, 2019 19:28 Updated Follow When water head / pressures are High , it is recommended to use a multi turn turn mechanism for better flow control. Related articles Where to use Quarter Turn Concealed Valve? Contact Us In Which Direction Valve should be used? What is the difference between Type A and Type B pipes? Can we re-thread the pipes? Comments 0 comments Please sign in to leave a comment.