(865) 271-1010 HOME PRODUCTS SERVICES ABOUT US CONTACT US FLOWSERVE-VALBART Trunion Mounted Ball Valve DBBV, Top- Entry, Rising Stem, Subsea, Welded Body, Side-Entry, API 6A &6D The Valbart line of trunnion-mounted ball valves is recognized as some of the best in industry, specializing in the design of API-6A and API-6D TMBVs Trunnion-mounted DBBV Top-Entry Rising Stem Subsea Welded Body Side-Entry Cryogenic API-6A and API-6D VIEW FLOWSERVE VALBART WEBSITE FOR PRODUCT LITERATURE ©COPYRIGHT 2016. ALL RIGHTS RESERVED. PROCESS SUPPLIES & ACCESSORIES. WEBSITE DESIGNED BY BRAINSTORM INTERNATIONAL