Fixed tube sheet heat exchanger shell test pressure, check both the tube and tube sheet joints and tube pressure test;
U-tube heat exchanger, kettle reboiler (u-shaped tubes) and stuffing-shell side heat exchanger test pressure ring pressure test and check the connector, and then make the tube pressure test;
Floating head type heat exchanger, kettle reboiler (floating head tubes) test pressure ring and float tubes for pressure test special tools, for Kettle reboiler pipes should be fitted head pressure is special shell and tube side pressure test, and finally the shell pressure test;
Overlapping joint of heat exchanger pressure test can be single when connected between the heat exchanger, it tube side and shell pressure test should be conducted after overlapping Assembly.
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