Air-cooled heat exchangers (also known as fin-fan coolers) are the primary choice when cooling water is unavailable, expensive or difficult to treat. They are ideal for remote locations or processes where environmental regulations limit the use of local water sources. By using ambient air as the cooling medium, ACHEs eliminate the risk of thermal pollution in natural water bodies and remove the ongoing costs associated with water treatment and fouling.
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Multi-Tube Hairpin Heat Exchanger Design & Manufacture
Graham Hart Process Technology specialises in Multi-Tube Hairpin Heat Exchangers, often referred to as "multis." These units utilise a U-tube bundle within separate shells for each leg, achieving true counter-current flow. This design is specifically engineered to handle significant "temperature crosses" and thermal expansion without the need for expansion bellows, making them the premier choice for high-pressure, high-temperature, and cyclic industrial services.
Custom Double Pipe Heat Exchanger Design & Manufacture
Graham Hart Process Technology specializes in the design and manufacture of high-performance double pipe heat exchangers (also known as hairpin or concentric pipe exchangers). These units are the ideal choice when conventional shell and tube designs are uneconomical or space is at a premium. By utilizing a single tube mounted within another, they achieve true counter-current flow, enabling superior temperature crosses and reliable performance in high-pressure or low-flow applications.
Custom Air Cooled Heat Exchangers: Design & Manufacture
Graham Hart Process Technology provides bespoke air-cooled heat exchangers (ACHEs) and condensers designed for high-pressure oil and gas, hydrogen service and low-pressure industrial applications. We manage the entire lifecycle—from full thermal and mechanical design to on-site fan balancing—ensuring your equipment meets stringent noise, site and process requirements.