DBB Compact Manifold Selection Guide | Flange Types, API 6D, NACE MR0175
DBB compact manifolds integrate two isolation valves plus one bleed valve in one body, cutting face-to-face length by 60%. API 6D 25th ed. defines DBB-1 and DBB-2 classes. Guide covers three areas: flanges, standards, design checklist. Choosing Flanges RF vs RTJ Faces RF (Raised Face) and RTJ (Ring Type Joint) flanges are the two most […]
