Guidelines for tube bundles, headers (removable cover plate, plug, or manifold), and structural supports.
Support spacing must not exceed 1.83 m (6 ft) center to center to prevent sagging or fin deformation. api 661 2024 pdf
Until then, remains fully valid and accepted by most EPCs (Engineering, Procurement & Construction contractors). Guidelines for tube bundles, headers (removable cover plate,
While many engineers are searching for an "API 661 2024 PDF," it is critical to note that the was officially reconfirmed in July 2024 . This reconfirmation (R2024) verifies that the existing seventh edition is still the current, active standard for the industry. Current Status of API 661 (R2024) Guidelines for tube bundles