... widely used in chemical, medicine ,fuel ,chemical fiber ,metallurgy . Spiral plate heat exchangerMain Features:1) Material: stainless steel and/or carbon ... steel2) Heat exchanger area: 1 - 500sqm3) Shape: fixed pipe plate, floating head, U-shaped pipe4) Structure: single channel, double channel ... .320.980I 6,I 16B8-0.6/500-10237275 Spiral plate heat exchanger