Tags: heat exchanger

TEMA Glasses and Tube Materials

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TEMA Glasses and Tube Materials

TEMA standards provide for two classes of shell and tube exchanger qualities. Class C is the less  stringent and is typically used in onshore applications and where the temperature is above ~20°F. Class R is normally used offshore and in cold temperature service. Table 3-2 shows the most important differences between a Class R and …

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Heat Exchanger Placement of Fluid

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The question always comes up of which fluid to put in the tubes and which fluid to put in the shell. Consider placing a fluid through the tubes when: 1. Special alloy materials are required for corrosion control and high temperatures. 2. Fluid is at high pressures. 3. Fluid contains vapors and non-condensable gases. 4. …

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