Profile Valves Only Europe Looking for the best Trunnion ball valve manufacturer in Germany? Valves Only Europe is the leading dealer and manufacturer of Trunnion ball valves. Last activity: on 02/04/2020 Joined: on 02/04/2020 https://www.valvesonlyeurope.com/product-category/trunnion-ball-valve/ Design quotient Earn DQ points by participating in a challenge. What are (DQ) Points? DQ points are a measure of your contributions, they correspond to how active you are in the Research, Ideas and Evaluation phases of a challenge.