Patent ID: 11885574
Assignee: SPX FLOW TECHNOLOGY DANMARK A/S
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 1:
2. The method according to claim 1, further comprising the steps of:
assembling the tube bundle with a second tube plate, the assembling step includes:
inserting a respective second end of each tube of the tube bundle through a corresponding hole in the second tube plate, the second end passing from a first side of the second tube plate, through the second tube plate until flush with a second side of the second tube plate;

hygienically welding each second end of each tube at the second side of the second tube plate, wherein each weld smoothly translates between the second side of the second tube plate and an interior surface of each respective tube; and
hygienically welding each tube at interface between an outer surface of each tube and an edge of the corresponding hole in the first side of the second tube plate, wherein each weld is created from inside the respective tube and smoothly translates between the first side of the second tube plate and the outer surface of each respective tube.