Glass-Coated Heat Exchangers
APEX Group develops, fabricates and supplies a range of proprietary plate-type and tubular heat exchangers coated with glass for handling highly corrosive fluids. The corrosion-resistant glass layers are applied on a metallic substrate (plate or tube) in order to impact mechanical strength to heat transfer surfaces and thereby prevent tube breakage during operation or during water washing.
Applications & Industries
APEX Group has proven the suitability of its products for the following fields of applications:
Fluids Handled
These products are suitable for handling a large diversity of fluids, such as:
Combustion Air
Fluegas from combustion of: gaseous fuels, liquid fuels, coal, wood, solid waste
Steam, water, glycol
Vapour, condensing or non-condensing
Liquids, subcooled or boiling
Industrial exhaust streams
Glass-Coated Plates
Exchangers made of glass-coated plates are assembled from enameled plates, without welding, using a proprietary assembling method. The plates are free to expand preventing cracking of the glass layer during the thermal cycles. The rigid frame consists of panels, which are glass coated in the area in contact with the corrosive gases.
Glass-Coated Tubes
Glass-coated tubes offer an alternative design characterized for glass exchangers characterized by a remarkable resistance against high differential pressure and pressure shocks during operation. The glass tubes are placed in a rigid frame. A special non-welded sealing system of the tubes in the tubesheet prevents leakage. The glass-coated metallic tubes are easy to replace, provide a good resistance against acid corrosion and do not break. The tubes can contain fluids pressurised at any level, e.g. high-pressure steam or water.
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