Where to use Quarter Turn Concealed Valve? Sankar Krishna September 18, 2019 19:25 Updated Follow When water head / pressures are low, it is recommended to use a quarter turn mechanism for better flow control. Related articles Where should solvent joint and pushfit joint are to be used? What is the difference between Type A and Type B pipes? Where to use Full turn Concealed Valve? Welcome to our Announcement Center! Comments 0 comments Please sign in to leave a comment.