Tham khảo tài liệu 'hvac and dehumidifying systems_4', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | MIL-HDBK-1003 3 Simpo PDF Merge and Split Unregistered Version - http Figure 6 Duct Branches 55 MIL-HDBK-1003 3 Simpo PDF Merge and Split Unregistered Version - http Figure 7 Duct Elbows 56 MIL-HDBK-1003 3 Simpo PDF Merge and Split Unregistered Version - http OFFSETS 2 AND 3 AND TRANSITIONS MAY HAVE EQUAL OR UNEQUAL INLET AND OUTLET AREAS. TRANSITIONS MAY CONVERT DUCT PROFILES TO ANY COMBINATION FOR RECTANGULAR. ROUND OR FLAT OVAL SHAPES. OFFSET TYPE 1 ANGLED OFFSET TYPE 2 MITERED ECCENTRIC TRANSITION MAX. 30 EXCEPT 45 IS PERMITTED AT ROUND TO FLAT OVAL OFFSET TYPE 3 RADIUSSED OR OGEE STANDARD BELLMOUTH ON SHORT PATTERN BELL c -3 . B - A 4 . Figure 8 Duct Offsets and Transitions .
