Header box for heat exchanger

摘要

The box has a cover (52) and a collector plate (26) equipped with reception openings (28) for inserting heat exchanging tubes. A sleeve (40) is disposed in fluid inlet and outlet openings (34, 36) and comprises a collar (42). The collar is sandwiched between the collector plate and the cover and cooperates with the collector plate for maintaining the sleeve. Fluid inlet and outlet pipes are disposed in the sleeve.