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The Bare Tube Evaporator is a robust tube-coil heat transfer solution for industrial refrigeration, process cooling, and custom equipment applications. Its open tube construction provides a direct heat transfer surface without an external fin pack, making it suitable for systems that require a compact, durable, and project-specific evaporator design.
The coil assembly is built with multiple parallel tube rows, U-bend connections, headers, and a supporting frame. Tube arrangement, coil dimensions, flow path, connection layout, and materials can be engineered according to the operating conditions and equipment requirements of each project.
VRCOOLERTECH provides custom bare tube evaporator solutions for equipment manufacturers, refrigeration contractors, engineering companies, and industrial users worldwide.
Multiple parallel tube rows form a large heat transfer assembly within a rigid supporting frame. The number of rows, tube spacing, total tube length, and circuit arrangement are designed according to the required application.
U-bend connections link the tube sections and create the required flow path through the evaporator. Bend arrangement, circuiting, inlet position, outlet position, and header layout are configured for the approved project design.
The exposed tube surface eliminates the external fin pack used in finned evaporator coils. This makes the design suitable for applications that require an open tube arrangement, immersion cooling, direct contact with a secondary fluid, or a project-specific heat transfer structure.
Headers and connection pipes distribute the working medium through the tube circuits. Connection size, orientation, inlet and outlet locations, and internal distribution are defined according to the selected design.
The frame supports the tube assembly and can be designed with project-specific dimensions, fixing points, lifting provisions, and installation interfaces.
Tube material, tube diameter, wall thickness, coil dimensions, tube rows, circuiting, headers, connections, frame structure, and testing requirements can be specified according to the project design.
The Bare Tube Evaporator can be used in a range of industrial refrigeration and heat transfer systems, including:
Industrial refrigeration equipment
Process cooling systems
Refrigerated tanks and vessels
Brine and secondary-fluid cooling systems
Immersed heat transfer equipment
Custom evaporator packages
Cold storage refrigeration systems
Replacement and retrofit coil projects
Industrial equipment cooling assemblies
The final coil configuration is selected according to the working medium, cooling duty, temperature range, pressure conditions, flow requirements, and installation environment.
What is a bare tube evaporator?
A bare tube evaporator is a tube-coil heat exchanger with exposed tubes and no external fin pack. It is designed for refrigeration, process cooling, immersion cooling, or other industrial heat transfer applications according to the required operating conditions.
Can the bare tube evaporator be customized?
Yes. The coil can be engineered according to the required dimensions, tube material, tube diameter, tube rows, circuiting, headers, connections, supporting frame, pressure conditions, and installation requirements.
Can the coil be used with brine or a secondary fluid?
The coil can be evaluated for brine, glycol, water, or another secondary fluid after the required fluid properties, temperatures, flow rate, pressure, and corrosion requirements have been reviewed.
Can this bare tube evaporator be used for a replacement project?
Yes. An existing drawing, sample, nameplate, photographs, dimensions, connection details, and operating data can be used to review a replacement or retrofit coil design.
What information is needed for a quotation?
The main information includes cooling duty, working medium, inlet and outlet temperatures, operating pressure, design pressure, flow rate, allowable pressure drop, available space, tube requirements, connections, quantity, and delivery destination.
Send your project requirements or equipment drawing to CST HEAT EXCHANGER for a custom bare tube evaporator solution.
