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The B649 is ideal for district heating and cooling networks, HVAC, and industrial projects that need an efficient compact BPHE with close temperature approaches at high operating pressures. The big, one-phase B649 delivers PHE-like capacities without the wear and tear of parts. Most of the material (95%) in BPHEs is used to transfer heat, compared with other technologies that use a lot of material for supports, frames, etc. This high-capacity BPHE saves money on spare parts, space, energy consumption, transportation, and installation.