UNITARY BODY QUADRILATERAL HEADER FOR HEAT EXCHANGER

摘要

A header box (10) for a heat exchanger includes a hollow unitary body having four generally flat sides forming a generally quardilater al cross/section. End plates (45) are located at, and coupled to, each end of the unitary body . One flat side has a plurality of plug openings located. The flat side opposi te the one generally flat side having the plug openings includes a plurality of tube openings (46).